Texas Instruments TMS27C256-10JL 256K UV EPROM 100ns DIP-28 NOS

ITEM SPECIFICS
Brand: Texas Instruments
Model: TMS27C256
MPN: TMS27C256-10JL
Device Marking: 27C256-10JL
Type: UV Erasable Programmable Read-Only Memory
Memory Type: EPROM
Memory Size: 256 Kbit
Memory Organization: 32K × 8
Access Time: 100 ns
Supply Voltage: 5V
Interface: Parallel
Package: 28-Pin Ceramic DIP
Mounting Style: Through-Hole
Number of Pins: 28
Country/Region of Manufacture: Singapore
Quantity: 1
Condition: New Old Stock

DESCRIPTION
Texas Instruments TMS27C256-10JL 256-Kbit UV erasable programmable read-only memory IC. This CMOS EPROM provides a 32K × 8 memory organization, 100 ns access time, 5V operation, and a 28-pin ceramic dual-in-line package.

Features:
Texas Instruments TMS27C256-10JL
256-Kbit UV EPROM
32K × 8 Memory Organization
100 ns Access Time
5V Operation
Parallel Interface
28-Pin Ceramic DIP
Through-Hole Mounting
Made in Singapore
Quantity: 1
The EPROM has an existing Machine Tech U25 application label covering the erase window. Its programmed contents, checksum, firmware revision, and equipment compatibility have not been read, tested, or verified. No representation is made that the device is blank or erased.
New old stock from surplus inventory. The component may show minor cosmetic evidence of long-term storage and handling. Please review all photographs for the exact condition, markings, label, and included item.

COMPATIBILITY & CROSS-REFERENCE
The TMS27C256-10JL is a 256-Kbit (32K × 8) UV-erasable EPROM with 100 ns access time in a 28-pin ceramic DIP. The erase window is covered by an existing Machine Tech U25 label and the programmed contents are unknown, so verify programming, pinout, and equipment compatibility before installation.

Q: What is the memory organization?
A: 32K × 8 (256 Kbit), parallel interface.

Q: What is the access time and supply voltage?
A: 100 ns and 5 V.

Q: Is it blank or programmed?
A: Unknown. The programmed contents have not been read or verified.

DISCLAIMER
This item is new old stock from surplus inventory and has not been electrically tested. Existing programmed contents and application compatibility are unknown. Buyer is responsible for confirming that the part number, programming, package, pinout, and specifications are suitable for the intended equipment. Ships fast with tracking. 30-day returns accepted; buyer pays return shipping.

LEGAL DISCLAIMER
We are not an authorized distributor, reseller, or representative of Texas Instruments or Machine Tech. 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.

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