{"product_id":"dallas-ds1251y-120-nvram-new","title":"DALLAS DS1251Y-120 NVRAM - NEW!","description":"\u003ch2 style=\"text-align: center;\"\u003eDALLAS DS1251Y-120 NVRAM - NEW!\u003c\/h2\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: center;\" dir=\"auto\"\u003eThis chip is pin compatible with the 27C040 EPROM, with the exception that it has a write line.  This makes it suitable for some interesting projects.\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" dir=\"auto\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" dir=\"auto\"\u003e\n\u003ch3 class=\"p1\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFEATURES:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eReal-Time Clock Keeps Track of Hundredths Of Seconds, Minutes, Hours, Days, Date of the Month, Months, \u003cspan class=\"s1\"\u003eand\u003c\/span\u003e Years\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e512\u003c\/span\u003eK x \u003cspan class=\"s2\"\u003e8\u003c\/span\u003e NV SRAM Directly Replaces Volatile Static RAM \u003cspan class=\"s1\"\u003eor\u003c\/span\u003e EEPROM\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eEmbedded Lithium Energy Cell Maintains Calendar Operation \u003cspan class=\"s1\"\u003eand\u003c\/span\u003e Retains RAM Data\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eWatch Function is Transparent to RAM Operation\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eAutomatic Leap Year Compensation Valid Up to \u003cspan class=\"s2\"\u003e2100\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eOver \u003cspan class=\"s2\"\u003e10\u003c\/span\u003e Years of Data Retention in the Absence of Power\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eLithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied \u003cspan class=\"s1\"\u003efor\u003c\/span\u003e the First Time\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eDIP Module Only, Standard \u003cspan class=\"s2\"\u003e32\u003c\/span\u003e-Pin JEDEC Pinout\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eUpward Compatible with the DS1248\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003ePowerCap Module Board Only\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eReplaceable Battery (PowerCap)\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003ePin-\u003cspan class=\"s1\"\u003efor\u003c\/span\u003e-Pin Compatible with other densities of DS124xP Phantom Clocks\u003c\/li\u003e\n\u003cli class=\"p1\" style=\"text-align: left;\"\u003e\n\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003eUnderwriters Laboratories (UL) Recognized\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" dir=\"auto\"\u003eYou can download the datasheet from one of our servers \u003ca href=\"https:\/\/www.atariservice.com\/Docs\/DS1251-DS1251P.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003ehere\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.atariservice.com\/Docs\/DS1251-DS1251P.pdf\"\u003e!\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" dir=\"auto\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" dir=\"auto\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0971\/8661\/1505\/files\/DS1251Y.png?v=1778596298\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" dir=\"auto\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" dir=\"auto\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThese chips have long been obsolete and are very hard to find for a reasonable price (prove us wrong!).   Due to the nature of the product, we cannot test them, as that will activate the internal battery and \"start their life\".\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" dir=\"auto\"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"text-align: center;\" dir=\"auto\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSOLD AS IS, NO RETURNS!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e","brand":"CPUWIZ LABS","offers":[{"title":"Default Title","offer_id":54188833440049,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/8661\/1505\/files\/Dallas_DS1251Y_120.png?v=1778596086","url":"https:\/\/cpuwizlabs.com\/products\/dallas-ds1251y-120-nvram-new","provider":"CPUWIZ LABS","version":"1.0","type":"link"}