{"product_id":"texas-instruments-239-2105-vintage-14-pin-dip-ic-1977-house-numbered-new","title":"Texas Instruments 239 2105 Vintage 14-Pin DIP IC 1977 House Numbered New","description":"ITEM SPECIFICS\u003cbr\u003eBrand: Texas Instruments\u003cbr\u003eMPN: 239 2105\u003cbr\u003eHouse Number: 239 2105\u003cbr\u003eAdditional Marking: LE 767369AR\u003cbr\u003eDate Code: 7740 (1977, week 40)\u003cbr\u003eCountry\/Region of Manufacture: Malaysia\u003cbr\u003ePackage \/ Case: 14-Pin DIP (Plastic)\u003cbr\u003eMounting: Through Hole\u003cbr\u003eType: Integrated Circuit (Custom \/ House-Numbered)\u003cbr\u003eCondition: New\u003cbr\u003e\u003cbr\u003eDESCRIPTION\u003cbr\u003eThis is a vintage Texas Instruments integrated circuit in a 14-pin plastic DIP. It carries a house number rather than a standard TI catalog number. TI built house-numbered parts like this one to an equipment maker's own specification and marked them with that customer's part number, so TI never published a public datasheet for them.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003eTexas Instruments logo on the top of the package\u003cbr\u003eHouse number \"239 2105\"\u003cbr\u003eAdditional marking \"LE 767369AR\"\u003cbr\u003eDate code \"7740\": 1977, week 40, in TI's year\/week format\u003cbr\u003eAdditional top markings \"A\" and \"S\"\u003cbr\u003eMade in Malaysia, per the package marking\u003cbr\u003e14-pin plastic DIP for through-hole mounting\u003cbr\u003eUnused; the leads show light tarnish from storage\u003cbr\u003e\u003cbr\u003eCompatibility:\u003cbr\u003eDirect replacement only for equipment that calls for TI house number 239 2105. Match the house number exactly against the part you are replacing.\u003cbr\u003e\u003cbr\u003eQ\u0026amp;A\u003cbr\u003eQ: What is this chip's function?\u003cbr\u003eA: It is a custom, house-numbered Texas Instruments IC built for an equipment maker. No public TI datasheet exists for this number, so it is sold for matching by house number.\u003cbr\u003eQ: When was it made?\u003cbr\u003eA: The date code 7740 indicates 1977, week 40. The package is marked \"MALAYSIA.\"\u003cbr\u003eQ: Is it tested?\u003cbr\u003eA: The item is sold as pictured. It has not been tested.\u003cbr\u003e\u003cbr\u003eDISCLAIMER\u003cbr\u003eItem is sold as pictured. Please review all photos carefully and compare part numbers and markings before purchasing. Vintage stock with light tarnish on the leads.\u003cbr\u003e\u003cbr\u003eLEGAL DISCLAIMER\u003cbr\u003eAmerican Industrial Parts Group is not an authorized distributor, reseller, or representative of Texas Instruments. All product names, trademarks, brands, and logos are the property of their respective owners and are used for identification purposes only. As an independent reseller, the original manufacturer warranty does not apply.\u003cbr\u003e\u003cbr\u003eTexas Instruments 239 2105, TI 2392105, 239-2105, LE 767369AR, TI 7740, texas instruments ic, texas instruments ic chips, vintage Texas Instruments IC, 1977 TI chip, 14-pin DIP IC, house numbered IC, custom TI integrated circuit, vintage computer repair IC, obsolete Texas Instruments chip\u003cbr\u003e\u003cbr\u003eThank you for shopping with American Industrial Parts Group!","brand":"Texas Instruments","offers":[{"title":"Default Title","offer_id":49918111645851,"sku":"TI-2392105-N","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/0857\/7435\/files\/texas-instruments-239-2105-house-numbered-ic-14-pin-dip-1-american-industrial-parts-group.png?v=1792858140","url":"https:\/\/americanindustrialpartsgroup.com\/products\/texas-instruments-239-2105-vintage-14-pin-dip-ic-1977-house-numbered-new","provider":"American Industrial Parts Group","version":"1.0","type":"link"}