{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1563V18-375BZC","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1563V18-375BZC","canonicalUrl":"https://icboms.com/infineon/CY7C1563V18-375BZC","factsUrl":"https://icboms.com/api/mcp/products/CY7C1563V18-375BZC","rawCanonicalId":null},"summary":{"shortDescription":"Cypress QDR II synchronous SRAM, 72 Mbit (4M x 18), 375 MHz clock, parallel interface, 1.7V–1.9V supply, 165-FBGA, commercial temperature 0°C to 70°C, tray.","salesMarkdown":"## 72 Mbit QDR II at 375 MHz — what this SRAM was built for The CY7C1563V18-375BZC: It clocks at 375 MHz on a parallel interface, which places it squarely in high-throughput networking gear — switches, routers, and line cards that need back-to-back read-write throughput without dead cycles between bus turns. The QDR II (Quad Data Rate) scheme delivers separate read and write ports, so the bus never stalls on turnaround; that matters when the packet buffer needs to sustain line-rate traffic through a lookup table or statistics counter bank. The supply rail runs at 1.7V to 1.9V, a core voltage that aligns with the sub-2V I/O standards common on ASICs and FPGAs from the same era. The 165-FBGA (15x17 mm) footprint requires a controlled-impedance layout on the address and data lines; the BGA pitch dictates micro-vias or blind vias in a multilayer board. ## Obsolete — sourcing reality and the replacement question There is no listed official successor in the available records. The 165-FBGA footprint and 375 MHz speed bin narrow the cross-ship options considerably; a direct drop-in replacement would need to match the 72 Mbit density, QDR II interface, and same package ball-out, which is a narrow search even in the QDR II family. ## Package and mounting — FBGA handling notes The device ships in a 165-ball FBGA (15x17 mm). The BGA pitch (likely 1.0 mm or 0.8 mm) requires X-ray inspection after reflow to catch hidden solder-joint opens or shorts under the package body. No moisture sensitivity level is stated in the available record, but a standard bake-out before reflow is prudent if the storage history is unknown.","metaTitle":"CY7C1563V18-375BZC Cypress QDR II SRAM, 72 Mbit, 375 MHz","metaDescription":"Cypress CY7C1563V18-375BZC QDR II synchronous SRAM, 72 Mbit (4M x 18), 375 MHz clock, 1.7-1.9V, 165-FBGA. RFQ for availability.","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":"72Mbit","Memory Type":"Volatile","Memory Format":"SRAM","Mounting Type":"Surface Mount","Package / Case":"165-LBGA","Product Status":"Obsolete","Clock Frequency":"375 MHz","lifecycle_stage":"eol_hot","Memory Interface":"Parallel","Voltage - Supply":"1.7V ~ 1.9V","Base Product Number":"CY7C1563","Memory Organization":"4M x 18","Operating Temperature":"0°C ~ 70°C (TA)","Supplier Device Package":"165-FBGA (15x17)","Write Cycle Time - Word, Page":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/c282ea8f3288590b277ec0782040cb33.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is CY7C1563V18-375BZC obsolete?","answer":"Yes, Cypress (Infineon) has listed CY7C1563V18-375BZC as obsolete. No direct replacement is recorded. Sourcing is via surplus or broker channel."},{"question":"What is the operating temperature of CY7C1563V18-375BZC?","answer":"This limits use to controlled indoor environments."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1563V18-375BZC","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1563V18-375BZC 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}}