{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1021B-12ZXC","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1021B-12ZXC","canonicalUrl":"https://icboms.com/infineon/CY7C1021B-12ZXC","factsUrl":"https://icboms.com/api/mcp/products/CY7C1021B-12ZXC","rawCanonicalId":null},"summary":{"shortDescription":"Infineon CY7C1021B-12ZXC, asynchronous SRAM, 1Mbit (64K x 16), 12 ns access time, parallel interface, 4.5 V to 5.5 V supply, 0°C to 70°C, 44-TSOP II package, Tray.","salesMarkdown":"## 12 ns access time — what it buys the bus The CY7C1021B-12ZXC: Access time is 12 ns. Write cycle time is also 12 ns. This part is marked obsolete by Infineon. No factory orders remain. We source it through independent distribution and quote to order against an RFQ.","metaTitle":"Infineon CY7C1021B-12ZXC 1Mbit Async SRAM, 12ns, 44-TSOP II","metaDescription":"Infineon CY7C1021B-12ZXC 1Mbit asynchronous SRAM, 64K x 16 organization, 12ns access time, 4.5V-5.5V supply, 0°C-70°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-TSOP (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":"0°C~70°C(TA)","Supplier Device Package":"44-TSOP II","Write Cycle Time - Word, Page":"12ns"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.9600","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/0fb2bf1fb1bf1eaa7b1a14798a1f21cb.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C1021B-12ZXC/alternatives.json"},"ai":{"faq":[{"question":"Is CY7C1021B-12ZXC obsolete or still available?","answer":"Yes, CY7C1021B-12ZXC is obsolete per Infineon. It is no longer in factory production. We source it through independent distribution; availability is confirmed at quote time against an RFQ."},{"question":"What is the replacement for CY7C1021B-12ZXC?","answer":"There is no official Infineon successor listed for this exact code. For a production alternative, look for a pin-compatible 5 V async SRAM in 44-TSOP II with 64K x 16 organization and 12 ns or faster access time from another vendor. We can help source surplus inventory of this part or cross-reference candidates — submit an RFQ."},{"question":"What is the operating voltage of CY7C1021B-12ZXC?","answer":"The supply voltage range is 4.5 V to 5.5 V — a 5 V nominal part. It is not compatible with 3.3 V or lower voltage buses without level shifters."},{"question":"What memory size and organization does CY7C1021B-12ZXC have?","answer":"It is 1 Mbit total, organized as 64K words by 16 bits. The memory interface is parallel, asynchronous."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1021B-12ZXC","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1021B-12ZXC 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}}