{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1381D-133AXI","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1381D-133AXI","canonicalUrl":"https://icboms.com/infineon/CY7C1381D-133AXI","factsUrl":"https://icboms.com/api/mcp/products/CY7C1381D-133AXI","rawCanonicalId":null},"summary":{"shortDescription":"Infineon CY7C1381D-133AXI synchronous SRAM, 18Mbit (512K x 36), 133 MHz clock, 6.5 ns access, parallel interface, 3.135V–3.6V supply, -40°C to 85°C, 100-LQFP tray.","salesMarkdown":"## 18 Mbit synchronous SRAM — 512K x 36, 133 MHz pipeline The Infineon CY7C1381D-133AXI is a 18 Mbit synchronous SRAM organized 512K x 36, clocked at 133 MHz with a 6.5 ns access time. ## Where the 6.5 ns access and 133 MHz clock matter The 6.5 ns access time defines the first-read latency from address strobe to data valid. At 133 MHz the pipeline delivers a new data word every clock cycle after the initial latency. ## Obsolete — sourcing via independent channel The CY7C1381D-133AXI is listed as obsolete. No direct replacement part number is provided in the available records.","metaTitle":"Infineon CY7C1381D-133AXI 18Mbit Sync SRAM, 133 MHz, 6.5 ns","metaDescription":"Infineon CY7C1381D-133AXI synchronous SRAM, 18Mbit (512K x 36), 133 MHz clock, 6.5 ns access, parallel interface, 3.135V–3.6V, -40°C to 85°C, 100-LQFP.","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":"6.5 ns","Memory Size":"18Mbit","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":"3.135V ~ 3.6V","Base Product Number":"CY7C1381","Memory Organization":"512K x 36","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"100-TQFP (14x20)","Write Cycle Time - Word, Page":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$39.6000","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/eb7da07153c6c32e5f88fa980df55e18.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C1381D-133AXI/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for CY7C1381D-133AXI?","answer":"No direct replacement part number is recorded in the available lifecycle data. For a pin-compatible alternative within the same density and speed grade, review the broader CY7C1381 family; however, no specific successor is named here. Sourcing the original part through independent channels is the current path."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1381D-133AXI","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1381D-133AXI when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}