{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1643KV18-450BZI","brand":"Cypress Semiconductor Corp","brandSlug":"cypress-semiconductor-corp","productSlug":"CY7C1643KV18-450BZI","canonicalUrl":"https://icboms.com/cypress-semiconductor-corp/CY7C1643KV18-450BZI","factsUrl":"https://icboms.com/api/mcp/products/CY7C1643KV18-450BZI","rawCanonicalId":null},"summary":{"shortDescription":"Cypress CY7C1643KV18-450BZI, QDR II+ synchronous SRAM, 144Mbit (8M x 18), 450 MHz parallel interface, 1.7V-1.9V supply, -40°C to 85°C industrial temperature, 165-FBGA tray.","salesMarkdown":"## 450 MHz QDR II+ SRAM for high-bandwidth buffer applications The CY7C1643KV18-450BZI: 144Mbit synchronous SRAM using QDR II+ architecture, organized as 8M x 18. Clocks at 450 MHz on the parallel bus. ## 144Mbit density and memory organization 8M x 18 organization gives 18-bit-wide words. Compared to the 72Mbit CY7C25632KV18-400BZXI (4M x 18), this part doubles the depth at the same word width.","metaTitle":"Cypress CY7C1643KV18-450BZI SRAM, 144Mbit QDR II+, 450 MHz","metaDescription":"Cypress CY7C1643KV18-450BZI QDR II+ synchronous SRAM, 144Mbit (8M x 18), 450 MHz parallel bus, 1.7V-1.9V, -40°C to 85°C, 165-FBGA. Active production, available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"title":"CY7C1643KV18-450BZI","Package":"Tray","Technology":"SRAM - Synchronous, QDR II+","Memory Size":"144Mbit","Memory Type":"Volatile","description":"IC SRAM 144MBIT PAR 165FBGA","Memory Format":"SRAM","Mounting Type":"Surface Mount","Package / Case":"165-LBGA","Clock Frequency":"450 MHz","Memory Interface":"Parallel","Voltage - Supply":"1.7V ~ 1.9V","Base Product Number":"CY7C1643","Memory Organization":"8M x 18","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"165-FBGA (15x17)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$15.5700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/83052c810355ede007da9e962500af42.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CY7C1643KV18-450BZI/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source for CY7C1643KV18-450BZI?","answer":"The CY7C2663KV18-450BZI is a pin-compatible functional second source at the same 450 MHz speed, 144Mbit density, 8M x 18 organization, and industrial temperature range, making it a drop-in alternate for dual-sourcing."},{"question":"Will CY7C1643KV18-450BZI drop into a board designed for CY7C2663KV18-450BZI?","answer":"Yes, both parts share the same 165-FBGA footprint, 8M x 18 organization, 450 MHz clock, and 1.7V–1.9V supply, so the CY7C1643KV18-450BZI is a direct drop-in replacement without rewiring."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/cypress-semiconductor-corp/CY7C1643KV18-450BZI","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/cypress-semiconductor-corp/CY7C1643KV18-450BZI when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-11T17:20:20.394Z","lastPublished":"2026-07-11T17:20:20.394Z","indexable":true}}