{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY7C1355C-133BGC","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY7C1355C-133BGC","canonicalUrl":"https://icboms.com/infineon/CY7C1355C-133BGC","factsUrl":"https://icboms.com/api/mcp/products/CY7C1355C-133BGC","rawCanonicalId":null},"summary":{"shortDescription":"Cypress NoBL SRAM, 9Mbit (256K x 36), 133 MHz clock, 6.5 ns access time, 3.135-3.6 V supply, 119-PBGA (14x22 mm), 0 to 70°C, Tray.","salesMarkdown":"## Synchronous SRAM for wide-bus, high-throughput designs The 36-bit word width suits applications that move wide data words per cycle — network switch buffers, telecom line-card packet memories, or DSP coefficient storage where bus turnaround overhead must be eliminated. ## NoBL architecture — what the 133 MHz clock and 6.5 ns access mean for the bus The NoBL pipeline eliminates the dead cycle between read and write transitions that conventional synchronous SRAMs require. At 133 MHz, each clock cycle is 7.5 ns; the 6.5 ns access time means data appears on the outputs within one clock edge of the address being latched, leaving roughly 1 ns of setup margin before the next rising edge. For a system architect, this translates to sustained back-to-back throughput at the full clock rate — no bubble cycles to budget for. The 36-bit data bus, combined with the 256K address depth, gives a total memory footprint of 9 Mbit, which is sized for moderate-depth lookup tables or FIFO emulation in FPGA-attached memory. Cypress (now part of Infineon) no longer manufactures this specific variant. ## Package and footprint — 119-ball PBGA (14x22 mm) The ball pitch is 1.27 mm, which is a standard BGA pitch that routes through a four-layer PCB without microvias. The package is surface-mount only. The supplier device package code is 119-PBGA (14x22). The shipping medium is Tray, not tape-and-reel, so pick-and-place lines will need a tray feeder or a bulk-to-tape conversion step.","metaTitle":"CY7C1355C-133BGC Cypress NoBL SRAM, 9Mbit, 133 MHz, 6.5 ns","metaDescription":"Cypress CY7C1355C-133BGC NoBL synchronous SRAM, 9Mbit (256K x 36), 133 MHz clock, 6.5 ns access, 119-PBGA.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"Mfr":"Infineon Technologies","Series":"NoBL™","Package":"Tray","Technology":"SRAM - Synchronous, SDR","Access Time":"6.5 ns","Memory Size":"9Mbit","Memory Type":"Volatile","Memory Format":"SRAM","Mounting Type":"Surface Mount","Package / Case":"119-BGA","Product Status":"Obsolete","Clock Frequency":"133 MHz","lifecycle_stage":"eol_hot","Memory Interface":"Parallel","Voltage - Supply":"3.135V ~ 3.6V","Base Product Number":"CY7C1355","Memory Organization":"256K x 36","Operating Temperature":"0°C ~ 70°C (TA)","Supplier Device Package":"119-PBGA (14x22)","Write Cycle Time - Word, Page":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/3c6cabb148834b33323f901bc271483d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the replacement for CY7C1355C-133BGC?","answer":"Buyers should evaluate pin-compatible synchronous SRAMs from the same Cypress NoBL family or consider a different density/speed grade if requalification is acceptable. For legacy repairs, sourcing the exact obsolete part through independent distribution is the typical path."},{"question":"Is CY7C1355C-133BGC RoHS compliant?","answer":"The available records do not include a RoHS compliance statement for this specific order code. The part is listed as a standard commercial SRAM in a PBGA package; PBGA packages from that era were often RoHS-compliant, but this should be verified against the manufacturer's original datasheet or a certificate of compliance from the supplier at time of order."},{"question":"What is the access time of CY7C1355C-133BGC?","answer":"The access time is 6.5 ns, measured from the rising edge of the clock. This is the time from clock edge to valid data on the outputs."},{"question":"Is CY7C1355C-133BGC obsolete?","answer":"Yes, the lifecycle status is Obsolete. Cypress no longer manufactures this part."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY7C1355C-133BGC","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY7C1355C-133BGC 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}}