{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1263V18-400BZC","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1263V18-400BZC","canonicalUrl":"https://icboms.com/infineon/CY7C1263V18-400BZC","factsUrl":"https://icboms.com/api/mcp/products/CY7C1263V18-400BZC","rawCanonicalId":null},"summary":{"shortDescription":"Infineon CY7C1263V18-400BZC, QDR II synchronous SRAM, 36Mbit, 400 MHz clock, 4M x 8 organization, 1.7V–1.9V supply, 165-ball FBGA (15x17 mm), 0°C to 70°C operating temperature.","salesMarkdown":"This class of memory is designed for high-bandwidth, low-latency applications such as network switches, telecom line cards, and high-end test equipment where back-to-back read/write throughput without dead cycles is essential. No last-time-buy window is indicated in the available record. The 165-ball FBGA package and 400 MHz speed grade narrow the pool of available units, so lead time and pricing are confirmed only at quote time against a specific quantity request. The 400 MHz clock rate defines the peak data bandwidth: with QDR II's dual-port architecture, the part can sustain up to 800 million data transfers per second on each port (read and write simultaneously). ## Package and mounting — 165-ball FBGA Housed in a 165-ball LBGA (supplier device package 165-FBGA, 15x17 mm), this is a surface-mount BGA with a 1.0 mm ball pitch typical of high-density SRAM packages. The tray shipping medium is standard for BGA devices in prototype and low-volume production.","metaTitle":"CY7C1263V18-400BZC QDR II SRAM, 36Mbit, 400 MHz, Obsolete","metaDescription":"Infineon CY7C1263V18-400BZC is a 36Mbit QDR II synchronous SRAM, 400 MHz clock, 4M x 8 organization, 165-FBGA.","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 - Synchronous, QDR II","Memory Size":"36Mbit","Memory Type":"Volatile","Memory Format":"SRAM","Mounting Type":"Surface Mount","Package / Case":"165-LBGA","Product Status":"Obsolete","Clock Frequency":"400 MHz","lifecycle_stage":"eol_hot","Memory Interface":"Parallel","Voltage - Supply":"1.7V ~ 1.9V","Base Product Number":"CY7C1263","Memory Organization":"4M x 8","Operating Temperature":"0°C ~ 70°C (TA)","Supplier Device Package":"165-FBGA (15x17)","Write Cycle Time - Word, Page":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$57.7800","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/d9227eb8c47159d90e136505373546ab.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C1263V18-400BZC/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for CY7C1263V18-400BZC?","answer":"For a pin-compatible alternative within the same QDR II family, a procurement specialist should cross-reference the base product number CY7C1263 and evaluate other density or speed-grade variants (e.g., CY7C1263V18-333BZC) — but verify the 400 MHz speed requirement and package compatibility against the system design. Without a direct Infineon successor, the independent surplus channel is the primary source for this exact order code."},{"question":"Can I use CY7C1263V18-400BZC as a replacement for CY7C1263V18-333BZC?","answer":"The CY7C1263V18-400BZC operates at a 400 MHz clock versus the 333 MHz of the -333BZC variant. Both share the same base product number (CY7C1263), same 36 Mbit density, same 4M x 8 organization, and same 165-ball FBGA package. The 400 MHz part is faster, so it can serve as a drop-in replacement in a system designed for 333 MHz — provided the controller and PCB timing can handle the higher speed. Verify the supply voltage range and temperature grade match the application."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1263V18-400BZC","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1263V18-400BZC 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}}