{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C4291V-15JXC","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C4291V-15JXC","canonicalUrl":"https://icboms.com/infineon/CY7C4291V-15JXC","factsUrl":"https://icboms.com/api/mcp/products/CY7C4291V-15JXC","rawCanonicalId":null},"summary":{"shortDescription":"Cypress CY7C4291V-15JXC, Series CY7C, synchronous FIFO, 1.125 Mbit (128Kx9), 66.7 MHz data rate, 10 ns access time, 3.3 V supply, 32-PLCC (J-lead) surface-mount package, 0°C to 70°C operating temperature.","salesMarkdown":"The CY7C4291V-15JXC is a 1.125 Mbit synchronous FIFO organized as 128K x 9 bits, clocked at 66.7 MHz with a 10 ns access time. ## Expansion and flag support The device supports depth and width expansion. Programmable flags are available for flow-control handshaking.","metaTitle":"Cypress CY7C4291V-15JXC Synchronous FIFO, 128Kx9, 66.7MHz, 10ns, 3.3V, 32-PLCC","metaDescription":"Cypress CY7C4291V-15JXC synchronous FIFO, 1.125 Mbit (128Kx9), 66.7 MHz data rate, 10 ns access time, 3.3 V supply, 32-PLCC J-lead, 0°C to 70°C. Obsolete — sourced to order against","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"title":"CY7C4291V-15JXC","Series":"CY7C","Package":"Tube","Function":"Synchronous","Data Rate":"66.7MHz","Access Time":"10ns","Memory Size":"1.125M (128K x 9)","FWFT Support":"No","Mounting Type":"Surface Mount","Expansion Type":"Depth, Width","Package / Case":"32-LCC (J-Lead)","Bus Directional":"Uni-Directional","lifecycle_stage":"eol_hot","Voltage - Supply":"3 V ~ 3.6 V","Base Product Number":"7C4291","Operating Temperature":"0°C ~ 70°C","Retransmit Capability":"No","Current - Supply (Max)":"25mA","Supplier Device Package":"32-PLCC (11.43x13.97)","Programmable Flags Support":"Yes"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$130.7500","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C4291V-15JXC/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for CY7C4291V-15JXC?","answer":"No official replacement part number has been published for this specific density and speed grade. The part is sourced from surplus or broker inventory against an RFQ."},{"question":"Is CY7C4291V-15JXC RoHS compliant?","answer":"The JXC suffix in the order code indicates a lead-free, RoHS-compliant finish. The part is listed as RoHS compliant."},{"question":"Can I use CY7C4291V-15JXC in a 5V system?","answer":"No. The supply range is 3 V to 3.6 V. Operating at 5 V exceeds the absolute maximum ratings and will damage the device."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C4291V-15JXC","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C4291V-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}}