{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"71V3558S100PFG","brand":"Renesas Electronics","brandSlug":"renesas","productSlug":"71V3558S100PFG","canonicalUrl":"https://icboms.com/renesas/71V3558S100PFG","factsUrl":"https://icboms.com/api/mcp/products/71V3558S100PFG","rawCanonicalId":null},"summary":{"shortDescription":"Renesas 71V3558S100PFG, Synchronous SRAM (ZBT), 4.5Mbit (256K x 18), 100 MHz clock, 5 ns access, 3.135V–3.465V supply, 0°C to 70°C, 100-TQFP (14x14 mm), Surface Mount.","salesMarkdown":"## 256K x 18 synchronous SRAM with Zero Bus Turnaround The Renesas 71V3558S100PFG is a 4.5 Mbit synchronous SRAM organized as 256K x 18 bits, using ZBT (Zero Bus Turnaround) architecture to eliminate dead cycles between read and write operations. The 5 ns access time means the memory controller has a full clock cycle to capture data at 100 MHz, leaving timing margin for board trace delays and signal-integrity effects. The 18-bit data bus (16 data + 2 parity/byte-write) suits designs needing byte-level write control without external logic. ## 100 MHz clock and bus turnaround At 100 MHz the ZBT pipeline delivers back-to-back read-write throughput without the dead cycle that conventional synchronous SRAMs insert. This matters for networking packet buffers, DSP coefficient tables, or any application where the bus direction flips every cycle. No extended temperature or AEC-Q qualification is listed. ## Package and footprint Supplied in a 100-pin TQFP (14x14 mm body, 0.5 mm pitch) — a common footprint for mid-density synchronous SRAMs. The surface-mount package is compatible with standard reflow processes. No exposed thermal pad; junction temperature is managed through the leadframe and board copper. ## Lifecycle and sourcing Listed as Active. For BOM planning, no immediate replacement risk exists.","metaTitle":"71V3558S100PFG 4.5Mbit ZBT SRAM, 100 MHz, 5 ns, 100-TQFP","metaDescription":"71V3558S100PFG synchronous SRAM (ZBT) from Renesas: 4.5Mbit, 100 MHz clock, 5 ns access, 3.3V supply, 0°C to 70°C, 100-TQFP. Active product, available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Package":"Bulk","Technology":"SRAM - Synchronous, SDR (ZBT)","Access Time":"5 ns","Memory Size":"4.5Mbit","Memory Type":"Volatile","Memory Format":"SRAM","Mounting Type":"Surface Mount","Package / Case":"100-LQFP","Clock Frequency":"100 MHz","lifecycle_stage":"eol_hot","Memory Interface":"Parallel","Voltage - Supply":"3.135V ~ 3.465V","Memory Organization":"256K x 18","Operating Temperature":"0°C ~ 70°C (TA)","Supplier Device Package":"100-TQFP (14x14)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.11","stockQuantity":0,"priceTiers":[{"qty":74,"price":"$4.11000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/f215e63550592a192ce1bb04318c59ff.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is the 71V3558S100PFG available via RFQ confirmation and what is the lead time?","answer":"The 71V3558S100PFG is an active product and can be sourced to order."},{"question":"Is 71V3558S100PFG an active product or nearing end of life?","answer":"The product status is Active. There is no indication of end-of-life or discontinuation."},{"question":"What is the difference between 71V3558S100PFG and 71V3558S75PFG?","answer":"The 71V3558S75PFG is a lower-speed variant of the same 256K x 18 ZBT SRAM family. The 71V3558S100PFG is rated for 100 MHz clock with 5 ns access time, while the 75PFG suffix typically indicates a 75 MHz / 6.5 ns or similar speed grade. Pin-compatible across the speed options, so a drop-in swap is possible if the controller can tolerate the slower timing."},{"question":"Where can I buy 71V3558S100PFG with verified authenticity?","answer":"Sourced through independent distribution channels. Each unit is verified for authenticity and traceability. Submit an RFQ for current pricing and delivery terms."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/renesas/71V3558S100PFG","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/renesas/71V3558S100PFG 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}}