{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74HCT564N","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74HCT564N","canonicalUrl":"https://icboms.com/texas-instruments/SN74HCT564N","factsUrl":"https://icboms.com/api/mcp/products/SN74HCT564N","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 74HCT series D-type flip-flop, SN74HCT564N, 8-bit, tri-state inverted outputs, positive edge trigger, 50 MHz clock, 20-DIP through-hole package.","salesMarkdown":"## 8-bit D-type register with inverted tri-state bus drive The SN74HCT564N is an 8-bit D-type flip-flop from the 74HCT logic family, packaged in a 20-pin DIP (0.300\" body) for through-hole assembly. It clocks data on the positive edge of the clock signal and presents the stored state as inverted outputs through a tri-state buffer — the bus stays high-impedance when the output-enable pin is asserted, letting multiple registers share a common data bus without contention. The 50 MHz maximum clock frequency and 35 ns propagation delay (at 4.5 V, 50 pF load) set the timing budget for the data path — the 35 ns figure includes the clock-to-output delay plus the output rise time into the capacitive load, so the actual setup-and-hold window at the receiver is tighter than the raw propagation number suggests. ## Temperature grade and supply rail — what the ratings mean for fit A board that lives in an outdoor enclosure, engine bay, or cold-chain environment stays within the rated junction temperature without derating the clock speed or output current. If the upstream controller drives 3.3 V CMOS into the clock or data inputs, the input threshold (typically 0.8 V for low, 2.0 V for high at 5 V) may not cross the high-level minimum — a level translator or open-drain buffer is needed between the domains.","metaTitle":"SN74HCT564N Texas Instruments 74HCT D-Type Flip-Flop, 8-bit","metaDescription":"SN74HCT564N D-type flip-flop, 8-bit, tri-state inverted outputs, 50 MHz clock, 35ns propagation delay, -55°C to 125°C. Active production, available to order.","metaKeywords":null},"attributes":{"series":"74HCT","packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Type":"D-Type","Series":"74HCT","Package":"Bulk","Function":"Standard","Output Type":"Tri-State, Inverted","Trigger Type":"Positive Edge","Mounting Type":"Through Hole","Package / Case":"20-DIP (0.300\\\", 7.62mm)","Clock Frequency":"50 MHz","lifecycle_stage":"eol_hot","Voltage - Supply":"4.5V ~ 5.5V","Input Capacitance":"10 pF","Number of Elements":"1","Operating Temperature":"-55°C ~ 125°C (TA)","Supplier Device Package":"20-PDIP","Current - Quiescent (Iq)":"8 µA","Current - Output High, Low":"6mA, 6mA","Number of Bits per Element":"8","Max Propagation Delay @ V, Max CL":"35ns @ 4.5V, 50pF"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.66","priceTiers":[{"qty":113,"price":"$2.66000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/6c18c54e90d9450e883561a88d1f39fb.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SN74HCT564N/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy SN74HCT564N and get a price?","answer":"The SN74HCT564N is an active Texas Instruments part available through authorized and independent distribution."},{"question":"What is the SN74HCT564N's output type and trigger?","answer":"It is a positive-edge-triggered D-type flip-flop with tri-state, inverted outputs. The inverted output means the Q-bar pin carries the complement of the stored data; the tri-state buffer lets the output float when the output-enable pin is deasserted, enabling shared bus architectures."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74HCT564N","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74HCT564N when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}