{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1021B-12VXI","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1021B-12VXI","canonicalUrl":"https://icboms.com/infineon/CY7C1021B-12VXI","factsUrl":"https://icboms.com/api/mcp/products/CY7C1021B-12VXI","rawCanonicalId":null},"summary":{"shortDescription":"Infineon CY7C1021B-12VXI, asynchronous SRAM, 1Mbit (64K x 16), 12 ns access time, parallel interface, 4.5V–5.5V supply, -40°C to 85°C, 44-SOJ package, Tray.","salesMarkdown":"## 64K x 16 asynchronous SRAM with 12 ns access The Infineon CY7C1021B-12VXI is a 1Mbit asynchronous SRAM organized as 64K words by 16 bits. Its 12 ns access time covers both read and write cycles. ## 12 ns — what it buys on the bus A 12 ns access time means the SRAM can complete a read or write within 12 ns of the address being valid.","metaTitle":"Infineon CY7C1021B-12VXI SRAM, 1Mbit, 12 ns, 44-SOJ","metaDescription":"Infineon CY7C1021B-12VXI asynchronous SRAM, 64K x 16, 12 ns access time, 4.5V–5.5V supply, -40°C to 85°C. Obsolete — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"Mfr":"Infineon Technologies","Series":"-","Package":"Tray","Technology":"SRAM - Asynchronous","Access Time":"12 ns","Memory Size":"1Mbit","Memory Type":"Volatile","Memory Format":"SRAM","Mounting Type":"Surface Mount","Package / Case":"44-BSOJ (0.400\\\", 10.16mm Width)","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Memory Interface":"Parallel","Voltage - Supply":"4.5V ~ 5.5V","Base Product Number":"CY7C1021","Memory Organization":"64K x 16","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"44-SOJ","Write Cycle Time - Word, Page":"12ns"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/0fb2bf1fb1bf1eaa7b1a14798a1f21cb.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C1021B-12VXI/alternatives.json"},"ai":{"faq":[{"question":"Is CY7C1021B-12VXI obsolete?","answer":"Yes, Infineon lists the CY7C1021B-12VXI as Obsolete. No factory production remains; sourcing is through surplus or broker channels."},{"question":"What is the replacement for CY7C1021B-12VXI?","answer":"Infineon has not published an official successor for the CY7C1021B-12VXI. The CY7C1021BN-12VXI is a related variant in a different package — verify pin compatibility before substituting. For a drop-in replacement, check the 64K x 16 asynchronous SRAM family from ISSI or Alliance Memory in the same 44-SOJ footprint."},{"question":"What is the access time of CY7C1021B-12VXI?","answer":"The access time is 12 ns for both read and write cycles."},{"question":"What is the voltage supply range for CY7C1021B-12VXI?","answer":"The supply voltage range is 4.5V to 5.5V, making it a 5V-compatible part."},{"question":"Is CY7C1021B-12VXI 5V compatible?","answer":"Yes, the supply range of 4.5V to 5.5V confirms 5V compatibility."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1021B-12VXI","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1021B-12VXI when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}