{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1399BNL-15ZXCT","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1399BNL-15ZXCT","canonicalUrl":"https://icboms.com/infineon/CY7C1399BNL-15ZXCT","factsUrl":"https://icboms.com/api/mcp/products/CY7C1399BNL-15ZXCT","rawCanonicalId":null},"summary":{"shortDescription":"Cypress Semiconductor CY7C1399BNL-15ZXCT asynchronous SRAM, 256Kbit (32K x 8), 15 ns access time, 3 V–3.6 V supply, 28-TSSOP surface-mount package, 0°C–70°C operating temperature, Tape & Reel.","salesMarkdown":"The Cypress CY7C1399BNL-15ZXCT is a 256Kbit asynchronous SRAM organized as 32K x 8, with a 15 ns access time and a parallel memory interface. It operates from a 3 V to 3.6 V supply and is rated for the commercial temperature range of 0°C to 70°C. This part is housed in a 28-TSSOP surface-mount package (0.465\" body width, 11.80 mm width) and is supplied on Tape & Reel. Typical applications include cache memory, buffer storage, and general-purpose data buffering in embedded systems, telecom equipment, and office electronics where fast, byte-wide random access is needed. The 15 ns access time and write cycle time match, allowing back-to-back writes without wait states. ## Temperature grade limits deployment It is not rated for industrial enclosures, automotive cabins, or outdoor telecom cabinets where ambient temperatures can exceed 70°C. If the application sees extended temperature, a different SRAM with an industrial or automotive temperature grade is required.","metaTitle":"Cypress CY7C1399BNL-15ZXCT Async SRAM, 256Kbit, 15 ns, 28-TSSOP","metaDescription":"Cypress CY7C1399BNL-15ZXCT asynchronous SRAM, 256Kbit (32K x 8), 15 ns access time, 3 V–3.6 V supply, 28-TSSOP, 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":{"title":"CY7C1399BNL-15ZXCT","Package":"Tape & Reel (TR)","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":"$0.6400","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/69ff54d69906280bfa12bf5ffcc96488.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C1399BNL-15ZXCT/alternatives.json"},"ai":{"faq":[{"question":"What is CY7C1399BNL-15ZXCT's listed package?","answer":"The package is 28-TSSOP (0.465\", 11.80 mm width), also referenced as 28-TSOP I. It is a surface-mount package supplied on Tape & Reel."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1399BNL-15ZXCT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1399BNL-15ZXCT 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}}