{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1399B-15ZXC","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1399B-15ZXC","canonicalUrl":"https://icboms.com/infineon/CY7C1399B-15ZXC","factsUrl":"https://icboms.com/api/mcp/products/CY7C1399B-15ZXC","rawCanonicalId":null},"summary":{"shortDescription":"Infineon CY7C1399B-15ZXC, asynchronous SRAM, 256Kbit (32K x 8), 15 ns access time, parallel interface, 3V to 3.6V supply, 28-TSSOP (0.465\", 11.80mm Width), 0°C to 70°C operating temperature.","salesMarkdown":"## 256Kbit asynchronous SRAM — 15 ns access, 3.3 V, commercial temp The Infineon CY7C1399B-15ZXC is a 256Kbit asynchronous SRAM organized as 32K x 8 bits, with a 15 ns access time and a parallel interface. It operates from a 3V to 3.6V supply and is rated for 0°C to 70°C. Write cycle time matches at 15 ns.","metaTitle":"Infineon CY7C1399B-15ZXC SRAM, 256Kbit, 15 ns, 28-TSSOP","metaDescription":"Infineon CY7C1399B-15ZXC asynchronous SRAM, 256Kbit (32K x 8), 15 ns access time, 3V-3.6V supply, 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":{"Mfr":"Infineon Technologies","Series":"-","Package":"Tray","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)","Product Status":"Obsolete","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":"$1.3300","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a01599d373db306f08880242de2c1d40.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C1399B-15ZXC/alternatives.json"},"ai":{"faq":[{"question":"Who supplies CY7C1399B-15ZXC and how is it quoted for volume purchases?","answer":"We supply the CY7C1399B-15ZXC through our independent distribution network. It is quoted to order against an RFQ — availability and current pricing are confirmed at quote time. No minimum order quantity is stated; volume inquiries are welcome."},{"question":"What is the closest pin-compatible alternative to CY7C1399B-15ZXC?","answer":"No official pin-compatible successor is listed by Infineon. Any replacement would require a board spin or a validated second-source qualification. For legacy repairs, sourcing the exact CY7C1399B-15ZXC through independent channels is the recommended path."},{"question":"What is CY7C1399B-15ZXC's listed package?","answer":"The package is a 28-TSSOP (0.465\", 11.80mm Width), surface-mount, supplied in Tray. The supplier device package is 28-TSOP I."},{"question":"What is CY7C1399B-15ZXC's technology?","answer":"It is an asynchronous SRAM — volatile memory with a parallel interface, organized as 32K x 8 bits."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1399B-15ZXC","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1399B-15ZXC 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}}