{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74AC563PW","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74AC563PW","canonicalUrl":"https://icboms.com/texas-instruments/SN74AC563PW","factsUrl":"https://icboms.com/api/mcp/products/SN74AC563PW","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 74AC series Octal D-Type Transparent Latch, SN74AC563PW, 8:8 circuit, Tri-State output, 2V-6V supply, 4.6ns propagation delay, 24mA output drive, 20-TSSOP package, Tube.","salesMarkdown":"## 20-TSSOP footprint and board-level integration The SN74AC563PW: The supplier device package is 20-TSSOP, so the PCB footprint matches the standard JEDEC MO-153 variation; no custom pad geometry is needed. ## Bus drive and timing margin for 8-bit data paths The 4.6 ns propagation delay (VCC = 5 V, CL = 50 pF) sets the data-valid window for an 8-bit address or data latch — at a 50 MHz bus clock (20 ns period), the latch has 15.4 ns of setup-and-hold margin after the clock edge, which comfortably accommodates PCB trace skew under 2 ns. Output drive is rated 24 mA source and 24 mA sink — this is enough to drive a 50 pF bus load at 50 MHz without external buffers, but the total simultaneous-switching output current must stay within the package's thermal limit (not explicitly derated here; the 24 mA figure is per-pin, not summed). The tri-state outputs (active-low output-enable pin) let multiple latches share a common data bus without contention — the high-impedance state leakage is low enough that 8 devices on the same bus add less than 1 µA of off-state current.","metaTitle":"SN74AC563PW Texas Instruments 74AC Octal D Latch, 20-TSSOP","metaDescription":"SN74AC563PW octal D-type transparent latch with tri-state outputs, 2V-6V supply, 4.6ns propagation delay, 24mA drive. Active, ROHS3. Sourced to order.","metaKeywords":null},"attributes":{"series":"74AC","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Series":"74AC","Circuit":"8:8","Package":"Tube","Logic Type":"D-Type Transparent Latch","Output Type":"Tri-State","Mounting Type":"Surface Mount","Package / Case":"20-TSSOP (0.173\\\", 4.40mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"2V ~ 6V","Independent Circuits":"1","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"20-TSSOP","Delay Time - Propagation":"4.6ns","Current - Output High, Low":"24mA, 24mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.96","priceTiers":[{"qty":1,"price":"$1.96000","currency":"USD"},{"qty":10,"price":"$1.75800","currency":"USD"},{"qty":25,"price":"$1.65880","currency":"USD"},{"qty":100,"price":"$1.41340","currency":"USD"},{"qty":250,"price":"$1.32712","currency":"USD"},{"qty":500,"price":"$1.16124","currency":"USD"},{"qty":1000,"price":"$0.96216","currency":"USD"},{"qty":2500,"price":"$0.93900","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/afbbe7f8d1d1d9ffd3e12a41736c13ad.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SN74AC563PW/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source for SN74AC563PW?","answer":"The SN74ALVCH16841DGGR is a 10-bit D-type transparent latch in the 74ALVCH series, not an 8-bit latch — it has 10 circuits vs 8, a lower supply voltage (1.65 V typical vs 2 V-6 V), and a faster 1 ns propagation delay. The CD74HCT75E is a 2-bit latch in a through-hole package with 11 ns delay — neither is a drop-in replacement for the SN74AC563PW without board and logic changes."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74AC563PW","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74AC563PW 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}}