{"product_id":"1-pc-212pd-at-t-microelectronics-vintage-ic-pdip-40pin","title":"(1 PC) 212PD AT\u0026T MICROELECTRONICS VINTAGE IC PDIP 40PIN","description":"THIS IS FOR (1 PC) OF 212PD BY AT\u0026amp;T MICROELECTRONICS \u003cdiv\u003eVINTAGE  IC PDIP 40PIN\u003c\/div\u003e\u003cdiv\u003eThe AT\u0026amp;T 212PD (often designated with \"AL\" for specific die\/version revisions or standard logic families) is a legacy, specialized integrated circuit. Historically manufactured by AT\u0026amp;T\/Lucent Technologies, these vintage ASICs and telecommunication logic chips were primarily engineered for complex switching arrays, early modems (like Bell 212A standards), and proprietary network equipment.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eQuick Facts: AT\u0026amp;T 212PDProduct Era: Predominantly late 1980s to mid-1990s (from AT\u0026amp;T Microelectronics).Primary Functions: Custom logic, mixed-signal routing, or reed-relay\/modem interfacing within enterprise PBX systems and central office switches.Availability: Now classified as a factory-obsolete electronic component. It can occasionally be sourced via specialty electronic component liquidators.Because the AT\u0026amp;T 212PD is custom-designed for legacy telecommunications hardware, there is no standardized public datasheet. Repair or replacement typically requires scavenging the IC from salvage circuit boards.\u003c\/div\u003e","brand":"AT\u0026T MICROELECTRONICS","offers":[{"title":"Default Title","offer_id":42324142325815,"sku":"227435273633","price":17.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0103\/5124\/7415\/files\/57_2f18fab0-2570-4c33-9c13-39d6cd7d4313.jpg?v=1784294744","url":"https:\/\/specialtypartsinc.com\/products\/1-pc-212pd-at-t-microelectronics-vintage-ic-pdip-40pin","provider":"Specialty Parts \u0026 Electronic Components, Inc.","version":"1.0","type":"link"}