{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C429-10JC","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C429-10JC","canonicalUrl":"https://icboms.com/infineon/CY7C429-10JC","factsUrl":"https://icboms.com/api/mcp/products/CY7C429-10JC","rawCanonicalId":null},"summary":{"shortDescription":"Cypress CY7C429-10JC asynchronous FIFO, 18K (2K x 9) memory, 10 ns access time, 50 MHz data rate, 4.5 V to 5.5 V supply, 32-PLCC (J-lead) surface-mount, 0°C to 70°C commercial temperature, retransmit capability, depth and width expansion.","salesMarkdown":"The Cypress CY7C429-10JC is a 18K (2K x 9) asynchronous FIFO memory in a 32-PLCC (J-lead) package. It offers a 10 ns access time and supports a 50 MHz data rate on a 4.5 V to 5.5 V supply. The part includes retransmit capability and supports depth and width expansion for building larger buffer arrays. The 10 ns access time leaves 10 ns for address setup and data hold at 50 MHz. No official successor is listed. ## Memory organization and expansion The 2K x 9 organization provides 18 Kbit of storage with a ninth bit that can be used for parity or a control flag. Depth expansion cascades multiple devices to increase the word count; width expansion combines them to widen the data bus. The retransmit capability allows the FIFO to re-read data without a full reset — useful in packet retry or error-recovery sequences. The 32-PLCC (J-lead) package is surface-mount with a 11.43 x 13.97 mm body. J-leads offer good solder-joint inspection access but require a PLCC socket for prototyping or rework.","metaTitle":"Cypress CY7C429-10JC FIFO, 18K (2Kx9), 10ns, 50MHz, PLCC-32","metaDescription":"Cypress CY7C429-10JC asynchronous FIFO, 18K (2K x 9), 10 ns access, 50 MHz data rate, 4.5-5.5 V, 32-PLCC, 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":"CY7C429-10JC","Series":"CY7C","Package":"Tube","Function":"Asynchronous","Data Rate":"50MHz","Access Time":"10ns","Memory Size":"18K (2K 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":"4.5 V ~ 5.5 V","Base Product Number":"7C429","Operating Temperature":"0°C~70°C","Retransmit Capability":"Yes","Current - Supply (Max)":"85mA","Supplier Device Package":"32-PLCC (11.43x13.97)","Programmable Flags Support":"No"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$122.4600","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/c6f17e93a3e6656c3e996644151f8e4d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Where can I buy CY7C429-10JC and how do I get a price?","answer":"We source the CY7C429-10JC to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm quote."},{"question":"What is the closest pin-compatible alternative to CY7C429-10JC in this component family?","answer":"The CY7C429 series includes other density and speed grades in the same 32-PLCC footprint, such as the CY7C429-15JC (15 ns access) or CY7C429-25JC (25 ns access). Verify pin compatibility with your specific layout before substituting."},{"question":"What is CY7C429-10JC's listed series on this component line?","answer":"The series is CY7C."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C429-10JC","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C429-10JC 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}}