{"title":"Vintage Memory ICs","description":"\u003cp\u003eVintage and discontinued memory integrated circuits for retro computer restoration and legacy electronics repair — including 4116-family 16K x 1 dynamic RAM chips. New old stock (NOS) from original manufacturers such as NEC. Always confirm part number, speed grade, and your equipment's electrical requirements before installation. Fast shipping from American Industrial Parts Group.\u003c\/p\u003e","products":[{"product_id":"nec-upd416d-2-16kx1-200ns-dram-ceramic-gold-dip-16-nos-vintage-ic","title":"NEC UPD416D-2 16Kx1 200ns Dynamic RAM Gold Pin Ceramic DIP-16 Vintage NOS IC","description":"ITEM SPECIFICS\u003cbr\u003eBrand: NEC\u003cbr\u003eModel: μPD416D-2\u003cbr\u003eMPN: UPD416D-2\u003cbr\u003eType: Dynamic RAM Integrated Circuit\u003cbr\u003eMemory Type: NMOS DRAM\u003cbr\u003eMemory Organization: 16K x 1 Bit\u003cbr\u003eMemory Density: 16 Kbit\u003cbr\u003eAccess Mode: Page Mode\u003cbr\u003eAccess Time: 200 ns\u003cbr\u003eRefresh Type: RAS-Only Refresh Supported\u003cbr\u003ePackage Type: Ceramic DIP\u003cbr\u003eNumber of Pins: 16\u003cbr\u003eLead Finish: Gold-Colored Plated Leads\u003cbr\u003eCountry\/Region of Manufacture: Japan\u003cbr\u003eProduct Status: Discontinued \/ Obsolete\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eNEC μPD416D-2 vintage dynamic RAM integrated circuit. This discontinued memory IC provides a 16,384-word × 1-bit organization with a 200 ns maximum access time and page-mode operation.\u003cbr\u003eThe ceramic 16-pin DIP package and gold-colored plated leads make this component suitable for vintage electronics repair, legacy computer restoration, period-correct circuit restoration, and replacement applications requiring the exact NEC μPD416D-2 specification.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eNEC μPD416D-2\u003cbr\u003e16,384 x 1-Bit Memory Organization\u003cbr\u003e16 Kbit Memory Density\u003cbr\u003e200 ns Speed Grade\u003cbr\u003eNMOS Dynamic RAM\u003cbr\u003ePage-Mode Operation\u003cbr\u003eRAS-Only Refresh Supported\u003cbr\u003e16-Pin Ceramic DIP Package\u003cbr\u003eGold-Colored Plated Leads\u003cbr\u003eManufactured in Japan\u003cbr\u003eDiscontinued \/ Obsolete Component\u003cbr\u003eVintage Electronics Replacement IC\u003cbr\u003eThis component is new old stock and may show cosmetic marks, discoloration, or other evidence of long-term storage and handling. It has not been represented as electrically tested. Please review all photographs carefully for the exact physical condition, markings, and included item.\u003cbr\u003eConfirm the exact part number, speed grade, pin configuration, timing requirements, refresh method, and electrical requirements of your equipment before installation.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is new old stock and has been stored for an extended period. It may show cosmetic marks or discoloration from storage and handling. No original manufacturer packaging is shown or included. Electrical operation has not been represented as tested. Please review all photos for the exact condition and markings. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of NEC. All product names, trademarks, brands, and logos are the property of their respective owners. This discontinued component was sourced from existing inventory and is not covered by the original manufacturer’s warranty.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe NEC μPD416 is a 16,384 x 1-bit dynamic NMOS RAM in the industry-standard 4116 16K DRAM family. Published cross-references list it alongside the TMS4116 (Texas Instruments), MK4116 (Mostek), MCM4116 (Motorola), AM9016 (AMD), and MB8116 (Fujitsu). Speed grade, supply voltages, and timing must match your equipment — always compare datasheets before substituting a different manufacturer's part or speed grade.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the NEC μPD416D-2? A: A 16K x 1 (16,384 x 1-bit) dynamic NMOS RAM with a 200 ns access time in a 16-pin ceramic DIP package.\u003cbr\u003eQ: Is the μPD416 compatible with the 4116? A: The μPD416 is listed in published 4116-family cross-references alongside the TMS4116, MK4116, and MB8116. Confirm speed grade and your equipment's supply voltages before installing.\u003cbr\u003eQ: Why is this chip discontinued? A: NEC spun off its semiconductor business as NEC Electronics in 2002, which merged into Renesas Electronics in 2010, and 16K NMOS DRAMs were superseded by higher-density memory. Remaining supply is new old stock.\u003cbr\u003e\u003cbr\u003eNEC UPD416D-2 μPD416D-2 D416D-2 UPD416D PD416D NEC Memory IC 16Kx1 DRAM 16K DRAM 16384x1 Memory 200ns DRAM NMOS RAM Page Mode DRAM RAS Refresh 4116 Compatible Memory Ceramic DIP CDIP-16 16 Pin DIP Gold Lead IC Gold Pin Ceramic Chip Discontinued IC Obsolete Semiconductor New Old Stock NOS Vintage Electronics Vintage Computer Parts Retro Computer RAM Legacy Memory Chip Electronic Components Computer Restoration Circuit Board Repair Replacement Memory IC Japan Semiconductor\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"NEC","offers":[{"title":"Default Title","offer_id":49593225838747,"sku":"NEC-UPD416D-2-N","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/nec-upd416d-2-vintage-dram-ic-1-american-industrial-parts-group.png?v=1789968907"},{"product_id":"lot-of-10-mostek-mk4116n-2gp-16kx1-150ns-dram-dip-16-nos-vintage-ics","title":"Lot of 10 Mostek MK4116N-2GP 16Kx1 150ns DRAM DIP-16 NOS Vintage ICs","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Mostek\u003cbr\u003eModel: MK4116N-2\u003cbr\u003eMPN: MK4116N-2GP\u003cbr\u003eQuantity: 10\u003cbr\u003eType: Dynamic RAM Integrated Circuit\u003cbr\u003eMemory Type: DRAM\u003cbr\u003eMemory Organization: 16K x 1 Bit per Chip\u003cbr\u003eMemory Density: 16 Kbit per Chip\u003cbr\u003eAccess Time: 150 ns\u003cbr\u003eMinimum Cycle Time: 320 ns\u003cbr\u003ePage-Mode Access Time: 100 ns\u003cbr\u003eRefresh Type: 128-Cycle RAS-Only Refresh\u003cbr\u003eSupply Voltages: +12V, +5V and −5V\u003cbr\u003eOutput Type: TTL-Compatible Three-State\u003cbr\u003ePackage Type: Plastic DIP \/ PDIP\u003cbr\u003eNumber of Pins: 16 per Chip\u003cbr\u003eMounting Style: Through-Hole\u003cbr\u003eDate Code: 7918\u003cbr\u003eCountry\/Region of Manufacture: Malaysia\u003cbr\u003eProduct Status: Discontinued \/ Obsolete\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 Mostek MK4116N-2GP discontinued 16,384 × 1-bit dynamic RAM integrated circuits. Each device is marked MK4116N-2, Malaysia, GP, with matching date code 7918.\u003cbr\u003eThese vintage 16K DRAM chips use the industry-standard 16-pin through-hole configuration and provide a 150 ns maximum access time. They support page-mode operation, read-modify-write cycles and 128-cycle RAS-only refresh.\u003cbr\u003eFeatures:\u003cbr\u003eLot of 10 Matching Mostek Memory ICs\u003cbr\u003eMostek MK4116N-2GP\u003cbr\u003eMK4116N-2 Device Marking\u003cbr\u003e16,384 x 1-Bit Organization per Chip\u003cbr\u003e16 Kbit Memory Density per Chip\u003cbr\u003e150 ns Maximum Access Time\u003cbr\u003e320 ns Minimum Cycle Time\u003cbr\u003e100 ns Page-Mode Access Time\u003cbr\u003e128-Cycle RAS-Only Refresh\u003cbr\u003ePage-Mode Operation\u003cbr\u003eRead-Modify-Write Capability\u003cbr\u003eTTL-Compatible Three-State Output\u003cbr\u003e+12V, +5V and −5V Supply Requirements\u003cbr\u003e16-Pin Plastic DIP Packages\u003cbr\u003eThrough-Hole Mounting\u003cbr\u003eMatching 7918 Date Codes\u003cbr\u003eMade in Malaysia\u003cbr\u003eDiscontinued Vintage Memory ICs\u003cbr\u003e\u003cbr\u003eThese components are new old stock and may show cosmetic marks, terminal discoloration, or other evidence of extended storage and handling. Functional testing has not been represented. Please review all photographs for the exact condition, markings, and ten components included.\u003cbr\u003eConfirm the exact part number, speed grade, supply voltages, pin configuration, timing and refresh requirements of the original equipment before installation.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThese items are new old stock and have been stored for an extended period. They may show cosmetic marks, terminal discoloration, or other evidence of storage and handling. Functional testing has not been represented. Please review all photos for the exact physical condition, markings, and ten components included. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of Mostek. All product names, trademarks, brands and logos are the property of their respective owners. These discontinued components were sourced from existing inventory and are not covered by the original manufacturer’s warranty.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe Mostek MK4116, introduced in 1977, is the original 4116 16K x 1 dynamic RAM — it exceeded 75% of the worldwide DRAM market and was cloned by many manufacturers. The -2 suffix is the 150 ns speed grade. Published 4116-family equivalents include the TMS4116 (Texas Instruments), MCM4116 (Motorola), μPD416 (NEC), TMM416 (Toshiba), AM9016 (AMD), and MB8116 (Fujitsu). Always confirm speed grade, supply voltages, and timing against your equipment before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is included in this lot? A: Ten Mostek MK4116N-2GP 16,384 x 1-bit dynamic RAMs (150 ns) with matching date code 7918.\u003cbr\u003eQ: What supply voltages does the MK4116 require? A: +12V (VDD), +5V (VCC), and −5V (VBB).\u003cbr\u003eQ: Why is this chip discontinued? A: The 64K DRAM generation moved to 5V-only operation, superseding 12V\/±5V 16K parts like the MK4116, and Mostek has been defunct since 1985. Remaining supply is new old stock.\u003cbr\u003e\u003cbr\u003eLot of 10 Mostek MK4116N-2GP MK4116N-2 MK4116N2GP MK4116 4116N 4116 DRAM Mostek Memory IC 16Kx1 DRAM 16K DRAM 16384x1 Memory 150ns DRAM Page Mode RAM RAS Refresh Dynamic RAM PDIP-16 DIP-16 16 Pin IC Through Hole Memory Chips Discontinued IC Obsolete Semiconductor New Old Stock NOS Vintage Electronics Vintage Computer Parts 1979 Integrated Circuits Retro Computer RAM Apple II Memory TRS-80 Memory ZX Spectrum RAM Commodore PET RAM IBM PC Memory Arcade Machine RAM Legacy Memory Circuit Board Repair Computer Restoration Malaysia Semiconductor Matching Date Code RAM Lot\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Mostek","offers":[{"title":"Default Title","offer_id":49598936121499,"sku":"MOS-MK4116N-2GP-N-2","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/mostek-mk4116n-2gp-vintage-dram-ic-lot10-1-american-industrial-parts-group.png?v=1790019954"},{"product_id":"toshiba-tmm416d-4-4116-4-16kx1-250ns-ceramic-dip-16-dram-nos","title":"Toshiba TMM416D-4 4116-4 16Kx1 250ns DRAM Ceramic DIP-16 NOS Vintage IC","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Toshiba\u003cbr\u003eModel: TMM416D-4\u003cbr\u003eMPN: TMM416D-4\u003cbr\u003eAlternate Marking: 4116-4\u003cbr\u003eType: Dynamic RAM Integrated Circuit\u003cbr\u003eMemory Type: Page-Mode DRAM\u003cbr\u003eMemory Organization: 16K x 1 Bit\u003cbr\u003eMemory Density: 16 Kbit\u003cbr\u003eAccess Time: 250 ns\u003cbr\u003eTechnology: MOS\u003cbr\u003eOutput Type: Three-State\u003cbr\u003eRefresh Cycles: 128\u003cbr\u003ePackage Type: Ceramic DIP \/ CDIP\u003cbr\u003eNumber of Pins: 16\u003cbr\u003eMounting Style: Through-Hole\u003cbr\u003eTerminal Pitch: 2.54 mm\u003cbr\u003eOperating Temperature Range: 0°C to 70°C\u003cbr\u003eTemperature Grade: Commercial\u003cbr\u003eCountry\/Region of Manufacture: Japan\u003cbr\u003eProduct Status: Discontinued\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eToshiba TMM416D-4, also marked 4116-4, discontinued 16K × 1-bit dynamic RAM integrated circuit. This vintage memory IC provides page-mode operation and a maximum access time of 250 ns.\u003cbr\u003eThe component uses a 16-pin ceramic dual-inline through-hole package. It is intended for legacy electronic equipment, vintage computer restoration, circuit-board repair, and applications requiring the exact TMM416D-4 part number and speed grade.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eToshiba TMM416D-4\u003cbr\u003eAlternate 4116-4 Marking\u003cbr\u003e16,384 x 1-Bit Organization\u003cbr\u003e16 Kbit Memory Capacity\u003cbr\u003e250 ns Maximum Access Time\u003cbr\u003ePage-Mode DRAM\u003cbr\u003eMOS Technology\u003cbr\u003eThree-State Output\u003cbr\u003e128 Refresh Cycles\u003cbr\u003e16-Pin Ceramic DIP Package\u003cbr\u003eThrough-Hole Mounting\u003cbr\u003eCommercial Temperature Grade\u003cbr\u003eDiscontinued Vintage Memory IC\u003cbr\u003eMade in Japan\u003cbr\u003e\u003cbr\u003eThis component is new old stock and may show cosmetic marks, terminal discoloration, or other evidence of long-term storage and handling. Functional testing has not been represented. Please review all photographs for the exact condition, markings, and item included.\u003cbr\u003eConfirm the exact part number, speed grade, pin configuration, timing, refresh requirements, and electrical requirements of the original equipment before installation.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is new old stock and has been stored for an extended period. It may show cosmetic marks, terminal discoloration, or other evidence of storage and handling. Functional testing has not been represented. Please review all photos for the exact condition and markings. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of Toshiba. All product names, trademarks, brands, and logos are the property of their respective owners. This discontinued component was sourced from existing inventory and is not covered by the original manufacturer’s warranty.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eToshiba's MOS Memory data book lists the TMM416 as an alternate source for the Mostek MK4116 — the industry-standard 4116 16K x 1 dynamic RAM. The D denotes the ceramic (Cerdip) package and the -4 suffix the 250 ns speed grade; this unit carries the alternate 4116-4 marking. Other published 4116-family cross-references include the TMS4116 (Texas Instruments), MCM4116 (Motorola), μPD416 (NEC), AM9016 (AMD), and MB8116 (Fujitsu). The TMM416 requires +12V, +5V, and −5V supplies — always confirm speed grade, supply voltages, and timing against your equipment before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the Toshiba TMM416D-4? A: A 16,384 x 1-bit NMOS dynamic RAM with a 250 ns maximum access time in a 16-pin ceramic DIP.\u003cbr\u003eQ: Is the TMM416D-4 a 4116 equivalent? A: Yes — Toshiba lists the TMM416 as an alternate source for the Mostek MK4116, and this unit is marked 4116-4 (250 ns grade).\u003cbr\u003eQ: What supply voltages does it require? A: +12V, +5V, and −5V, like other 4116-family 16K DRAMs.\u003cbr\u003e\u003cbr\u003eToshiba TMM416D-4 TMM416D4 4116-4 4116D 4116J Toshiba Memory IC 16Kx1 DRAM 16K DRAM 16384x1 Memory 250ns DRAM Page Mode DRAM MOS RAM Ceramic DIP CDIP16 DIP-16 16 Pin IC Through Hole Memory Chip Discontinued IC Obsolete Semiconductor New Old Stock NOS Vintage Electronics Vintage Computer Parts Retro Computer RAM Legacy Memory Integrated Circuit Circuit Board Repair Computer Restoration Electronic Components Replacement DRAM Japan Semiconductor\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Toshiba","offers":[{"title":"Default Title","offer_id":49598943297691,"sku":"TOS-TMM416D-4-N","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/toshiba-tmm416d-4-vintage-dram-ic-1-american-industrial-parts-group.png?v=1790019954"},{"product_id":"mostek-mk4116n-2gp-16kx1-150ns-dram-dip-16-nos-vintage-1979-ic","title":"Mostek MK4116N-2GP 16Kx1 150ns DRAM DIP-16 NOS Vintage 1979 IC","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Mostek\u003cbr\u003eModel: MK4116N-2\u003cbr\u003eMPN: MK4116N-2GP\u003cbr\u003eType: Dynamic RAM Integrated Circuit\u003cbr\u003eMemory Type: DRAM\u003cbr\u003eMemory Organization: 16K x 1 Bit\u003cbr\u003eMemory Density: 16 Kbit\u003cbr\u003eAccess Time: 150 ns\u003cbr\u003eMinimum Cycle Time: 320 ns\u003cbr\u003ePage-Mode Access Time: 100 ns\u003cbr\u003eRefresh Type: 128-Cycle RAS-Only Refresh\u003cbr\u003eSupply Voltages: +12V, +5V and −5V\u003cbr\u003eOutput Type: TTL-Compatible Three-State\u003cbr\u003ePackage Type: Plastic DIP \/ PDIP\u003cbr\u003eNumber of Pins: 16\u003cbr\u003eMounting Style: Through-Hole\u003cbr\u003eDate Code: 7918\u003cbr\u003eCountry\/Region of Manufacture: Malaysia\u003cbr\u003eProduct Status: Discontinued \/ Obsolete\u003cbr\u003eCondition: New Old Stock\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eMostek MK4116N-2GP discontinued 16,384 × 1-bit dynamic RAM integrated circuit. The device is marked MK4116N-2, Malaysia, GP, with date code 7918.\u003cbr\u003eThis vintage 16K DRAM uses the industry-standard 16-pin through-hole configuration and provides a 150 ns maximum access time. It supports page-mode operation, read-modify-write cycles and 128-cycle RAS-only refresh.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eMostek MK4116N-2GP\u003cbr\u003eMK4116N-2 Device Marking\u003cbr\u003e16,384 x 1-Bit Organization\u003cbr\u003e16 Kbit Memory Density\u003cbr\u003e150 ns Maximum Access Time\u003cbr\u003e320 ns Minimum Cycle Time\u003cbr\u003e100 ns Page-Mode Access Time\u003cbr\u003e128-Cycle RAS-Only Refresh\u003cbr\u003ePage-Mode Operation\u003cbr\u003eRead-Modify-Write Capability\u003cbr\u003eTTL-Compatible Three-State Output\u003cbr\u003e+12V, +5V and −5V Supply Requirements\u003cbr\u003e16-Pin Plastic DIP Package\u003cbr\u003eThrough-Hole Mounting\u003cbr\u003eDate Code 7918\u003cbr\u003eMade in Malaysia\u003cbr\u003eDiscontinued Vintage Memory IC\u003cbr\u003e\u003cbr\u003eThis component is new old stock and may show cosmetic marks, terminal discoloration, or other evidence of extended storage and handling. Functional testing has not been represented. Please review all photographs for the exact condition, markings, and item included.\u003cbr\u003eConfirm the exact part number, speed grade, supply voltages, pin configuration, timing and refresh requirements of the original equipment before installation.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is new old stock and has been stored for an extended period. It may show cosmetic marks, terminal discoloration, or other evidence of storage and handling. Functional testing has not been represented. Please review all photos for the exact physical condition and markings. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of Mostek. All product names, trademarks, brands and logos are the property of their respective owners. This discontinued component was sourced from existing inventory and is not covered by the original manufacturer’s warranty.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eThe Mostek MK4116, introduced in 1977, is the original 4116 16K x 1 dynamic RAM — it exceeded 75% of the worldwide DRAM market and was cloned by many manufacturers. The -2 suffix is the 150 ns speed grade. Published 4116-family equivalents include the TMS4116 (Texas Instruments), MCM4116 (Motorola), μPD416 (NEC), TMM416 (Toshiba), AM9016 (AMD), and MB8116 (Fujitsu). Always confirm speed grade, supply voltages, and timing against your equipment before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the Mostek MK4116N-2GP? A: A 16,384 x 1-bit dynamic RAM with a 150 ns maximum access time in a 16-pin plastic DIP, date code 7918.\u003cbr\u003eQ: What supply voltages does the MK4116 require? A: +12V (VDD), +5V (VCC), and −5V (VBB).\u003cbr\u003eQ: Why is this chip discontinued? A: The 64K DRAM generation moved to 5V-only operation, superseding 12V\/±5V 16K parts like the MK4116, and Mostek has been defunct since 1985. Remaining supply is new old stock.\u003cbr\u003e\u003cbr\u003eMostek MK4116N-2GP MK4116N-2 MK4116N2GP MK4116 4116N 4116 DRAM Mostek Memory IC 16Kx1 DRAM 16K DRAM 16384x1 Memory 150ns DRAM Page Mode RAM RAS Refresh Dynamic RAM PDIP-16 DIP-16 16 Pin IC Through Hole Memory Chip Discontinued IC Obsolete Semiconductor New Old Stock NOS Vintage Electronics Vintage Computer Parts 1979 Integrated Circuit Retro Computer RAM Apple II Memory TRS-80 Memory ZX Spectrum RAM Commodore PET RAM IBM PC Memory Arcade Machine RAM Legacy Memory Circuit Board Repair Computer Restoration Malaysia Semiconductor\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Mostek","offers":[{"title":"Default Title","offer_id":49598944510107,"sku":"MOS-MK4116N-2GP-N","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/mostek-mk4116n-2gp-vintage-dram-ic-1-american-industrial-parts-group.png?v=1790019953"},{"product_id":"toshiba-tmm416p-3-4116-3-16kx1-200ns-dram-dip-16-nos-vintage-ic","title":"Toshiba TMM416P-3 4116-3 16Kx1 200ns DRAM DIP-16 NOS Vintage IC","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Toshiba\u003cbr\u003eModel: TMM416P-3\u003cbr\u003eMPN: TMM416P-3\u003cbr\u003eAlternate Part Number: 4116-3\u003cbr\u003eType: Dynamic Random-Access Memory\u003cbr\u003eMemory Type: Page-Mode DRAM\u003cbr\u003eMemory Organization: 16K x 1 Bit\u003cbr\u003eMemory Density: 16,384 Bits\u003cbr\u003eMaximum Access Time: 200 ns\u003cbr\u003eRefresh Cycles: 128\u003cbr\u003eOutput Type: Three-State\u003cbr\u003eTechnology: MOS\u003cbr\u003ePackage: PDIP-16\u003cbr\u003eNumber of Pins: 16\u003cbr\u003eMounting Style: Through-Hole\u003cbr\u003eTerminal Pitch: 2.54 mm\u003cbr\u003eOperating Temperature Range: 0°C to 70°C\u003cbr\u003eTemperature Grade: Commercial\u003cbr\u003eProduct Status: Discontinued \/ Obsolete\u003cbr\u003eQuantity: 1\u003cbr\u003eCondition: New Old Stock\u003cbr\u003eCustom Label\/SKU: TOS-TMM416P-3-N\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eToshiba TMM416P-3 dynamic random-access memory integrated circuit. This discontinued vintage semiconductor provides a 16,384-word x 1-bit memory organization with a maximum access time of 200 nanoseconds.\u003cbr\u003eThe TMM416P-3 is supplied in a standard 16-pin plastic dual in-line package for through-hole installation. It is intended for compatible legacy computer, arcade, industrial electronic, laboratory, and vintage electronics applications requiring a 4116-series page-mode DRAM.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eToshiba TMM416P-3\u003cbr\u003eAlternate 4116-3 Marking\u003cbr\u003e16,384-Word x 1-Bit Organization\u003cbr\u003e16,384-Bit Memory Density\u003cbr\u003e200 ns Maximum Access Time\u003cbr\u003ePage-Mode DRAM\u003cbr\u003e128 Refresh Cycles\u003cbr\u003eThree-State Output\u003cbr\u003e16-Pin Plastic DIP Package\u003cbr\u003eThrough-Hole Mounting\u003cbr\u003eCommercial Temperature Grade\u003cbr\u003eDiscontinued Vintage Semiconductor\u003cbr\u003eQuantity of One\u003cbr\u003e\u003cbr\u003eThis component is New Old Stock from long-term inventory. It has not been installed or placed into service. No functional testing has been performed. Cosmetic storage wear, surface marks, oxidation, discoloration, and slightly uneven leads may be present from age and handling. Please review all photographs for the exact condition and markings of the component being offered.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThis item is New Old Stock from long-term inventory and has not been functionally tested. Due to the age of this discontinued electronic component, compatibility and final testing are the buyer’s responsibility. Please compare the complete part number, speed grade, package, pin configuration, electrical requirements, and equipment documentation before purchasing. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of Toshiba. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from surplus inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eToshiba's MOS Memory data book lists the TMM416 as an alternate source for the Mostek MK4116 — the industry-standard 4116 16K x 1 dynamic RAM. The -3 suffix is the 200 ns speed grade, and this unit carries the alternate 4116-3 marking. Other published 4116-family cross-references include the TMS4116 (Texas Instruments), MCM4116 (Motorola), μPD416 (NEC), AM9016 (AMD), and MB8116 (Fujitsu). The TMM416 requires +12V, +5V, and −5V supplies — always confirm speed grade, supply voltages, and timing against your equipment before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is the Toshiba TMM416P-3? A: A 16,384 x 1-bit NMOS dynamic RAM with a 200 ns maximum access time in a 16-pin plastic DIP.\u003cbr\u003eQ: Is the TMM416P-3 a 4116 equivalent? A: Yes — Toshiba lists the TMM416 as an alternate source for the Mostek MK4116, and this unit is marked 4116-3 (200 ns grade).\u003cbr\u003eQ: What supply voltages does it require? A: +12V, +5V, and −5V, like other 4116-family 16K DRAMs.\u003cbr\u003e\u003cbr\u003eToshiba TMM416P-3 TMM416P3 4116-3 4116 DRAM 16Kx1 DRAM 16K RAM 16384 Bit Memory IC 200ns DRAM Page Mode DRAM DIP-16 PDIP-16 Through Hole Memory Chip Vintage RAM Vintage Computer Memory Retro Computer Repair Arcade Repair Legacy Electronics Obsolete IC Discontinued Semiconductor Replacement Memory Integrated Circuit Vintage Electronics NOS Electronic Component Industrial Electronics Computer Restoration\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Toshiba","offers":[{"title":"Default Title","offer_id":49598945394843,"sku":"TOS-TMM416P-3-N","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/toshiba-tmm416p-3-vintage-dram-ic-1-american-industrial-parts-group.png?v=1790019953"},{"product_id":"tmm416p-3-4116-3-16kbit-dram-memory-ic-16-pin-dip-parallel-through-hole","title":"Lot of 10 Toshiba TMM416P-3 4116-3 16Kx1 200ns DRAM DIP-16 NOS Vintage ICs","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Toshiba\u003cbr\u003eModel: TMM416P-3\u003cbr\u003eMPN: TMM416P-3\u003cbr\u003eAlternate Part Number: 4116-3\u003cbr\u003eType: Dynamic Random-Access Memory\u003cbr\u003eMemory Type: Page-Mode DRAM\u003cbr\u003eMemory Organization: 16K x 1 Bit\u003cbr\u003eMemory Density: 16,384 Bits\u003cbr\u003eMaximum Access Time: 200 ns\u003cbr\u003eRefresh Cycles: 128\u003cbr\u003eOutput Type: Three-State\u003cbr\u003eTechnology: MOS\u003cbr\u003ePackage: PDIP-16\u003cbr\u003eNumber of Pins: 16\u003cbr\u003eMounting Style: Through-Hole\u003cbr\u003eTerminal Pitch: 2.54 mm\u003cbr\u003eOperating Temperature Range: 0°C to 70°C\u003cbr\u003eTemperature Grade: Commercial\u003cbr\u003eProduct Status: Discontinued \/ Obsolete\u003cbr\u003eNumber of Components: 10\u003cbr\u003eCondition: New Old Stock\u003cbr\u003eCustom Label\/SKU: TOS-TMM416P-3-N-2\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eLot of 10 Toshiba TMM416P-3 dynamic random-access memory integrated circuits. These discontinued vintage semiconductors provide a 16,384-word x 1-bit memory organization with a maximum access time of 200 nanoseconds.\u003cbr\u003eThe TMM416P-3 is supplied in a standard 16-pin plastic dual in-line package for through-hole installation. It is intended for compatible legacy computer, arcade, industrial electronic, laboratory, and vintage electronics applications requiring 4116-series page-mode DRAM.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eLot of 10 Integrated Circuits\u003cbr\u003eToshiba TMM416P-3\u003cbr\u003eAlternate 4116-3 Marking\u003cbr\u003e16,384-Word x 1-Bit Organization\u003cbr\u003e16,384-Bit Memory Density\u003cbr\u003e200 ns Maximum Access Time\u003cbr\u003ePage-Mode DRAM\u003cbr\u003e128 Refresh Cycles\u003cbr\u003eThree-State Output\u003cbr\u003e16-Pin Plastic DIP Package\u003cbr\u003eThrough-Hole Mounting\u003cbr\u003eCommercial Temperature Grade\u003cbr\u003eDiscontinued Vintage Semiconductors\u003cbr\u003eThese components are New Old Stock from long-term inventory. They have not been installed or placed into service. No functional testing has been performed. Cosmetic storage wear, surface marks, oxidation, discoloration, and slightly uneven leads may be present from age and handling. Please review all photographs for the exact condition and markings of the components being offered.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eThese items are New Old Stock from long-term inventory and have not been functionally tested. Due to the age of these discontinued electronic components, compatibility and final testing are the buyer’s responsibility. Please compare the complete part number, speed grade, package, pin configuration, electrical requirements, and equipment documentation before purchasing. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eWe are not an authorized distributor, reseller, or representative of Toshiba. All product names, trademarks, brands, and logos are the property of their respective owners. Products are sourced from surplus inventory and are not covered by manufacturer warranties.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCOMPATIBILITY \u0026amp; CROSS-REFERENCE\u003c\/strong\u003e\u003cbr\u003eToshiba's MOS Memory data book lists the TMM416 as an alternate source for the Mostek MK4116 — the industry-standard 4116 16K x 1 dynamic RAM. The -3 suffix is the 200 ns speed grade, and these units carry the alternate 4116-3 marking. Other published 4116-family cross-references include the TMS4116 (Texas Instruments), MCM4116 (Motorola), μPD416 (NEC), AM9016 (AMD), and MB8116 (Fujitsu). The TMM416 requires +12V, +5V, and −5V supplies — always confirm speed grade, supply voltages, and timing against your equipment before substituting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eQ\u0026amp;A\u003c\/strong\u003e\u003cbr\u003eQ: What is included in this lot? A: Ten Toshiba TMM416P-3 16,384 x 1-bit NMOS dynamic RAMs with a 200 ns maximum access time in 16-pin plastic DIP packages.\u003cbr\u003eQ: Is the TMM416P-3 a 4116 equivalent? A: Yes — Toshiba lists the TMM416 as an alternate source for the Mostek MK4116, and these units are marked 4116-3 (200 ns grade).\u003cbr\u003eQ: What supply voltages does it require? A: +12V, +5V, and −5V, like other 4116-family 16K DRAMs.\u003cbr\u003e\u003cbr\u003eToshiba TMM416P-3 TMM416P3 4116-3 4116 DRAM Lot of 10 10PCS Memory IC 16Kx1 DRAM 16K RAM 16384 Bit Memory 200ns DRAM Page Mode DRAM DIP-16 PDIP-16 Through Hole Memory Chip Vintage RAM Vintage Computer Memory Retro Computer Repair Arcade Repair Legacy Electronics Obsolete IC Discontinued Semiconductor Replacement Memory Integrated Circuit Vintage Electronics NOS Electronic Components Industrial Electronics Computer Restoration Bulk IC Lot\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Toshiba","offers":[{"title":"Default Title","offer_id":49598947852443,"sku":"TOS-TMM416P-3-N-2","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/toshiba-tmm416p-3-vintage-dram-ic-lot10-1-american-industrial-parts-group.png?v=1790019953"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/collections\/Industrial-Automation-MRO-Products-American-Industrial-Parts-Group_7dd6ea4b-1215-4e23-b760-053987e08a44.png?v=1789968924","url":"https:\/\/americanindustrialpartsgroup.com\/collections\/vintage-memory-ics.oembed","provider":"American Industrial Parts Group","version":"1.0","type":"link"}