{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C429-15JXC","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C429-15JXC","canonicalUrl":"https://icboms.com/infineon/CY7C429-15JXC","factsUrl":"https://icboms.com/api/mcp/products/CY7C429-15JXC","rawCanonicalId":null},"summary":{"shortDescription":"Cypress CY7C429-15JXC, Series CY7C, asynchronous FIFO memory, 18K (2K x 9), 15 ns access time, 50 MHz data rate, 4.5 V–5.5 V supply, 0°C–70°C, 32-PLCC J-Lead, Tube.","salesMarkdown":"## Asynchronous FIFO for 5 V legacy data paths The CY7C429-15JXC is an 18K (2K x 9) asynchronous FIFO with 15 ns access time and 50 MHz data rate, operating from 4.5 V to 5.5 V. ## Obsolete — sourcing reality for the BOM line","metaTitle":"Cypress CY7C429-15JXC Asynchronous FIFO, 15ns Access, 32-PLCC","metaDescription":"Cypress CY7C429-15JXC asynchronous FIFO memory, 18K (2K x 9), 15ns access time, 50MHz data rate. Obsolete — sourced to order against RFQ. 32-PLCC J-Lead, 0-70°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"Mfr":"Infineon Technologies","Series":"CY7C","Package":"Tube","Function":"Asynchronous","Data Rate":"50MHz","Access Time":"15ns","Memory Size":"18K (2K x 9)","FWFT Support":"No","Mounting Type":"Surface Mount","Expansion Type":"Depth, Width","Package / Case":"32-LCC (J-Lead)","Product Status":"Obsolete","Bus Directional":"Uni-Directional","lifecycle_stage":"eol_hot","Voltage - Supply":"4.5 V ~ 5.5 V","Base Product Number":"7C429","Operating Temperature":"0°C~70°C","Retransmit Capability":"Yes","Current - Supply (Max)":"65mA","Supplier Device Package":"32-PLCC (11.43x13.97)","Programmable Flags Support":"No"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.3300","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/c6f17e93a3e6656c3e996644151f8e4d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C429-15JXC/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to CY7C429-15JXC?","answer":"No official pin-compatible successor or second-source alternate is recorded in the lifecycle documentation. A design revision to a newer 3.3 V FIFO with level shifters, or a CPLD-based FIFO implementation, would be the practical replacement path."},{"question":"What is CY7C429-15JXC's memory size and organization?","answer":"The memory is 18K bits organized as 2K x 9 (2,048 words of 9 bits each). The 9th bit is typically used for parity or a control flag alongside the 8-bit data byte."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C429-15JXC","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C429-15JXC 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}}