{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1339G-133AXI","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1339G-133AXI","canonicalUrl":"https://icboms.com/infineon/CY7C1339G-133AXI","factsUrl":"https://icboms.com/api/mcp/products/CY7C1339G-133AXI","rawCanonicalId":null},"summary":{"shortDescription":"Infineon Technologies CY7C1339G-133AXI synchronous SDR SRAM, 4Mbit (128K x 32), 133 MHz clock, 4 ns access, 3.15V-3.6V, -40°C to +85°C, 100-LQFP tray.","salesMarkdown":"## What the 133 MHz clock and 4 ns access mean on the bench The CY7C1339G-133AXI is a 4Mbit synchronous SDR SRAM organized as 128K x 32 bits, clocked at 133 MHz with a 4 ns access time from the clock edge. That 4 ns window is the time from clock rising edge to data valid on the bus — at 133 MHz the cycle time is 7.5 ns, so the part leaves 3.5 ns for the downstream logic setup before the next clock. If you are debugging a board that reads back stale data, check whether the FPGA or ASIC's input hold time eats into that margin. ## Obsolete — what that means for your BOM line This part is marked obsolete by Infineon. No official successor or pin-compatible replacement is listed on the record. For a repair bench or a legacy production run, the only channel is independent surplus inventory — no factory last-time-buy window remains open. ## Supply rails and temperature grade Runs on a single 3.15 V to 3.6 V rail — no separate Vddq or Vtt.","metaTitle":"Infineon CY7C1339G-133AXI SRAM, 4Mbit, 133 MHz, 100-LQFP","metaDescription":"Obsolete synchronous SDR SRAM, 128K x 32, 4 ns access, -40 to 85°C. Sourced to order against RFQ through independent channels.","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, SDR","Access Time":"4 ns","Memory Size":"4Mbit","Memory Type":"Volatile","Memory Format":"SRAM","Mounting Type":"Surface Mount","Package / Case":"100-LQFP","Product Status":"Obsolete","Clock Frequency":"133 MHz","lifecycle_stage":"eol_hot","Memory Interface":"Parallel","Voltage - Supply":"3.15V ~ 3.6V","Base Product Number":"CY7C1339","Memory Organization":"128K x 32","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"100-TQFP (14x20)","Write Cycle Time - Word, Page":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b16c9cd2314ead72a47480f5946e9b3c.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How do I get pricing and availability for CY7C1339G-133AXI?","answer":"Submit an RFQ through this listing. No stock-holding or lead-time claim is made on this page."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1339G-133AXI","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1339G-133AXI when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T01:59:28.046Z","lastPublished":"2026-07-21T01:59:28.046Z","indexable":true}}