{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1399B-15ZC","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1399B-15ZC","canonicalUrl":"https://icboms.com/infineon/CY7C1399B-15ZC","factsUrl":"https://icboms.com/api/mcp/products/CY7C1399B-15ZC","rawCanonicalId":null},"summary":{"shortDescription":"Cypress CY7C1399B-15ZC, 256Kbit asynchronous SRAM, 15 ns access time, 3.3 V supply, 32K x 8 organization, 28-TSSOP (0.465 inch width), 0°C to 70°C commercial grade, end-of-life lifecycle.","salesMarkdown":"## 256Kbit asynchronous SRAM — 15 ns access, 3.3 V, 32K x 8 The CY7C1399B-15ZC: 256Kbit asynchronous SRAM organized as 32K x 8 bits, with 15 ns access time and 3V to 3.6V supply range. Parallel memory interface, 28-TSSOP surface-mount package (0.465 inch width). 15 ns access time sets address-to-data valid window on read cycle. Write cycle time matches at 15 ns at 3V to 3.6V.","metaTitle":"Cypress CY7C1399B-15ZC 256Kbit SRAM, 15 ns, 32K x 8, 28-TSSOP","metaDescription":"Cypress CY7C1399B-15ZC 256Kbit asynchronous SRAM, 15 ns access time, 3.3 V, 32K x 8, 28-TSSOP, 0°C to 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":{"title":"CY7C1399B-15ZC","Package":"Bag","Technology":"SRAM - Asynchronous","Access Time":"15 ns","Memory Size":"256Kbit","Memory Type":"Volatile","Memory Format":"SRAM","Mounting Type":"Surface Mount","Package / Case":"28-TSSOP (0.465\\\", 11.80mm Width)","lifecycle_stage":"eol_hot","Memory Interface":"Parallel","Voltage - Supply":"3V ~ 3.6V","Base Product Number":"CY7C1399","Memory Organization":"32K x 8","Operating Temperature":"0°C ~ 70°C (TA)","Supplier Device Package":"28-TSOP I","Write Cycle Time - Word, Page":"15ns"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a01599d373db306f08880242de2c1d40.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C1399B-15ZC/alternatives.json"},"ai":{"faq":[{"question":"What is the package, and is it the same as a standard 28-TSSOP?","answer":"The CY7C1399B-15ZC uses a 28-TSOP I body at 0.465 inch (11.80 mm) width. The spec table lists this as both 28-TSSOP and 28-TSOP I — same pinout, same footprint, drop-in for boards designed around either designation."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1399B-15ZC","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1399B-15ZC 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}}