{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SNJ54LS597FK","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SNJ54LS597FK","canonicalUrl":"https://icboms.com/texas-instruments/SNJ54LS597FK","factsUrl":"https://icboms.com/api/mcp/products/SNJ54LS597FK","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 54LS597 8-bit shift register, SNJ54LS597FK, 54LS family, military temperature range, Bulk package.","salesMarkdown":"## 8-bit shift register, 54LS family — what it is and where it fits The SNJ54LS597FK is an 8-bit shift register from TI's 54LS logic family, designed for parallel-to-serial data conversion in systems that need to minimise I/O pin count on a microcontroller or backplane (cite:,). The 54LS prefix means it is specified across the full military temperature range — -55 to +125 °C — and built to tighter parametric limits than the commercial 74LS equivalent, so it holds setup/hold timing and output drive over the entire thermal envelope (cite:). For a BOM line that calls out this exact military-grade shift register, the Active status removes the urgency of a last-time-buy decision. ## Bulk package — what it means for the board The Bulk package designation means this part ships in loose tubes or trays, not on tape-and-reel (cite:). For a rework bench or a low-volume build, that is fine — no feeder changeover, no reel charge. For a high-speed pick-and-place line, you will want to confirm the tube-to-tape conversion or order the tape-and-reel variant if one exists (cite:).","metaTitle":"SNJ54LS597FK TI 54LS597 8-Bit Shift Register, Active","metaDescription":"Texas Instruments SNJ54LS597FK 8-bit shift register, 54LS family, military temp range. Active production, sourced to order. Request a quote.","metaKeywords":null},"attributes":{"series":"*","packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Series":"*","Package":"Bulk","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$45.01","stockQuantity":0,"priceTiers":[{"qty":7,"price":"$45.01000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/322639628a698ceeec6f30350e441a8e.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What compliance documentation does Texas Instruments provide for SNJ54LS597FK?","answer":"Texas Instruments provides RoHS and REACH compliance data for this part through their standard documentation portal. The 54LS family uses a hermetic ceramic package, so it is inherently lead-free at the die-attach level, but the specific compliance declaration should be pulled from the TI website against this exact order code (cite:)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SNJ54LS597FK","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SNJ54LS597FK when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}