{"product_id":"at27c040-70ji","title":"AT27C040-70JI","description":"\u003ch2\u003eAT27C040-70JI - High-Reliability 4Mbit EPROM Memory IC\u003c\/h2\u003e\u003cp\u003eThe AT27C040-70JI from Microchip Technology is a premium 4-megabit electrically programmable read-only memory (EPROM) designed for mission-critical applications in aerospace, automotive, industrial control systems, medical devices, and telecommunications infrastructure. This one-time programmable (OTP) non-volatile memory solution delivers exceptional reliability and data retention for embedded systems requiring permanent code storage.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Storage:\u003c\/strong\u003e 4Mbit capacity organized as 512K x 8, providing ample space for firmware, boot code, and configuration data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Access Performance:\u003c\/strong\u003e 70 nanosecond access time ensures rapid data retrieval for time-sensitive applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e -40°C to 85°C (TC) temperature tolerance makes it ideal for harsh industrial and automotive environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Power Supply:\u003c\/strong\u003e 4.5V to 5.5V operating voltage with stable performance across the voltage range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParallel Interface:\u003c\/strong\u003e Standard parallel memory interface simplifies integration with microcontrollers and processors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Mount Design:\u003c\/strong\u003e 32-PLCC (13.97x11.43mm) J-lead package optimized for automated assembly and space-constrained PCB layouts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003ePerfect for embedded systems requiring permanent program storage, including industrial controllers, automotive ECUs, medical equipment firmware, telecommunications base stations, and aerospace avionics. The OTP technology ensures code security and prevents unauthorized modifications.\u003c\/p\u003e\u003ch3\u003eComplete Technical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ccolgroup\u003e\u003ccol\u003e\u003c\/colgroup\u003e \u003ctbody\u003e \u003ctr\u003e \t\u003ctd\u003eProduct attributes\u003c\/td\u003e \t\u003ctd\u003eProperty Value\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eManufacturer\u003c\/td\u003e \t\u003ctd\u003eMicrochip Technology\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eTube | \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMemory Type\u003c\/td\u003e \t\u003ctd\u003eNon-Volatile\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMemory Format\u003c\/td\u003e \t\u003ctd\u003eEPROM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eTechnology\u003c\/td\u003e \t\u003ctd\u003eEPROM - OTP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMemory Size\u003c\/td\u003e \t\u003ctd\u003e4Mbit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMemory Organization\u003c\/td\u003e \t\u003ctd\u003e512K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMemory Interface\u003c\/td\u003e \t\u003ctd\u003eParallel\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eClock Frequency\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eWrite Cycle Time - Word, Page\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eAccess Time\u003c\/td\u003e \t\u003ctd\u003e70 ns\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply\u003c\/td\u003e \t\u003ctd\u003e4.5V ~ 5.5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 85°C (TC)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eGrade\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eQualification\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMounting Type\u003c\/td\u003e \t\u003ctd\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e32-LCC (J-Lead)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e32-PLCC (13.97x11.43)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose HQICKEY?\u003c\/h3\u003e\u003cp\u003eAs a trusted distributor of high-reliability semiconductor components, HQICKEY provides authentic Microchip Technology products with full traceability, technical support, and fast global shipping. Our quality assurance processes ensure you receive genuine components that meet or exceed manufacturer specifications.\u003c\/p\u003e\u003ch3\u003eRelated Products \u0026amp; Resources\u003c\/h3\u003e\u003cp\u003eExplore our complete \u003ca href=\"https:\/\/hqickey.com\/collections\/memory\" title=\"Memory ICs - EPROM, Flash, SRAM \u0026amp; DRAM Solutions\"\u003eMemory\u003c\/a\u003e collection for additional EPROM, Flash, SRAM, and DRAM solutions for your embedded system designs.\u003c\/p\u003e\u003cp\u003eVisit \u003ca href=\"https:\/\/hqickey.com\/\" title=\"HQICKEY - High-Reliability Semiconductor Components\"\u003eHQICKEY\u003c\/a\u003e to browse our full catalog of aerospace-grade, automotive-qualified, and industrial semiconductor components.\u003c\/p\u003e\u003cp\u003eStay informed about the latest semiconductor technologies, product releases, and industry insights by visiting our \u003ca href=\"https:\/\/hqickey.com\/blogs\/news\" title=\"HQICKEY News - Semiconductor Industry Updates \u0026amp; Technical Articles\"\u003eNews\u003c\/a\u003e blog.\u003c\/p\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":51116143968545,"sku":"AT27C040-70JI","price":9.63,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_Memory_150_32J_J_32_10ed9bb8-f90b-4ba5-a1bd-17030222aa42.jpg?v=1743649068","url":"https:\/\/hqickey.com\/products\/at27c040-70ji","provider":"HQICKEY","version":"1.0","type":"link"}