{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74AS534DW","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74AS534DW","canonicalUrl":"https://icboms.com/texas-instruments/SN74AS534DW","factsUrl":"https://icboms.com/api/mcp/products/SN74AS534DW","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments SN74AS534DW, D-Type flip-flop, AS series, 8-bit, positive-edge triggered, tri-state inverted outputs, 125 MHz clock, 9 ns propagation delay, 4.5-5.5 V supply, 20-SOIC, 0°C to 70°C.","salesMarkdown":"## 8-bit D-type register with inverted tri-state outputs The SN74AS534DW is an 8-bit D-type flip-flop from TI's Advanced Schottky (AS) logic family. It clocks data in on the positive edge of the clock and presents the inverted state at the outputs when the output-enable is low. The tri-state outputs let multiple devices share a common bus — the inverted polarity is useful for active-low data paths or inverting buffer stages in 5 V backplane and memory-mapped I/O designs. ## 125 MHz clock and 9 ns propagation delay — timing headroom for synchronous buses Rated at 125 MHz clock frequency and 9 ns max propagation delay (at 5 V, 50 pF load), this part keeps up with fast synchronous buses in 5 V systems. The 9 ns delay includes both clock-to-output and the tri-state turn-on time — a key number for setup-and-hold margin when the register feeds a synchronous FIFO or address latch. The 128 mA quiescent current is higher than later BiCMOS or CMOS logic families, so factor it into the 5 V rail budget if the board carries several bus-interface devices. ## 20-SOIC footprint, 0°C to 70°C commercial temperature range Packaged in a 20-pin SOIC with 7.50 mm body width, the SN74AS534DW is a surface-mount part for commercial-temperature environments (0°C to 70°C). The supply range is 4.5 V to 5.5 V. ## RoHS non-compliant — plan for exemption or alternate The SN74AS534DW is listed as RoHS non-compliant. The lifecycle status is Active.","metaTitle":"SN74AS534DW D-Type Flip-Flop, 125 MHz, 20-SOIC","metaDescription":"SN74AS534DW 8-bit D-type flip-flop, 125 MHz clock, 9 ns propagation delay, 4.5-5.5 V supply, 20-SOIC. Active production. RoHS non-compliant.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Type":"D-Type","Package":"Bulk","Function":"Standard","Output Type":"Tri-State, Inverted","Trigger Type":"Positive Edge","Mounting Type":"Surface Mount","Package / Case":"20-SOIC (0.295\\\", 7.50mm Width)","Clock Frequency":"125 MHz","lifecycle_stage":"eol_hot","Voltage - Supply":"4.5V ~ 5.5V","Number of Elements":"1","Operating Temperature":"0°C ~ 70°C (TA)","Supplier Device Package":"20-SOIC","Current - Quiescent (Iq)":"128 mA","Current - Output High, Low":"15mA, 48mA","Number of Bits per Element":"8","Max Propagation Delay @ V, Max CL":"9ns @ 5V, 50pF"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.72","stockQuantity":0,"priceTiers":[{"qty":175,"price":"$1.72000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/edbb089bce1a85b7646c93261f31aa52.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is SN74AS534DW RoHS compliant?","answer":"No, the SN74AS534DW is marked RoHS non-compliant. If your BOM requires RoHS-10 compliance, this part does not meet that requirement."},{"question":"What is the difference between SN74AS534DW and SN74AS574DW?","answer":"Both are 8-bit D-type flip-flops in the same AS logic family and 20-SOIC package. The key difference is output polarity: the SN74AS534DW has inverted (inverting) tri-state outputs, while the SN74AS574DW has non-inverted outputs. Choose the 534 for active-low bus architectures or inverting buffer applications; choose the 574 for non-inverted data paths."},{"question":"What is SN74AS534DW's listed type on this component line?","answer":"The listed type is D-Type, meaning it is a D-type flip-flop (data-type register) that captures the input state on the rising clock edge."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74AS534DW","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74AS534DW 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}}