{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1021B-12ZXCT","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1021B-12ZXCT","canonicalUrl":"https://icboms.com/infineon/CY7C1021B-12ZXCT","factsUrl":"https://icboms.com/api/mcp/products/CY7C1021B-12ZXCT","rawCanonicalId":null},"summary":{"shortDescription":"Infineon CY7C1021B-12ZXCT, 1Mbit asynchronous SRAM, 64K x 16 organization, 12 ns access time, 4.5V-5.5V supply, parallel interface, 44-TSOP II, 0°C to 70°C.","salesMarkdown":"The CY7C1021B-12ZXCT is a 1 Mbit asynchronous SRAM organized as 64K x 16 bits. Its 12 ns access time matches the write cycle time. ## Supply and temperature — design constraints For industrial or automotive use, a wider-temperature variant would be needed. Infineon lists the CY7C1021B-12ZXCT as obsolete. Supplied in a 44-TSOP II package, surface-mount. The Tape & Reel (TR) shipping medium is standard for automated pick-and-place.","metaTitle":"Infineon CY7C1021B-12ZXCT 1Mbit Async SRAM, 12 ns","metaDescription":"Infineon CY7C1021B-12ZXCT 1Mbit asynchronous SRAM, 12 ns access time, 64K x 16 organization, 4.5V-5.5V supply, 44-TSOP II.","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":"Tape & Reel (TR)","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":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/82c7b961e3b5b1ab441dd2f6a6002ed8.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C1021B-12ZXCT/alternatives.json"},"ai":{"faq":[{"question":"Is CY7C1021B-12ZXCT obsolete?","answer":"Yes, Infineon lists the CY7C1021B-12ZXCT as obsolete. No official replacement part number has been published, so any substitute must be validated for pin compatibility and timing."},{"question":"What is the access time of CY7C1021B-12ZXCT?","answer":"The access time is 12 ns, matching the write cycle time. This determines the minimum bus cycle period the host processor must observe."},{"question":"What package is CY7C1021B-12ZXCT?","answer":"It comes in a 44-TSOP II surface-mount package (0.400\" body width, 10.16 mm), shipped in Tape & Reel."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1021B-12ZXCT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1021B-12ZXCT 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}}