{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74HC240PWT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74HC240PWT","canonicalUrl":"https://icboms.com/texas-instruments/SN74HC240PWT","factsUrl":"https://icboms.com/api/mcp/products/SN74HC240PWT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 74HC series SN74HC240PWT, Buffer, Inverting, 3-State, 2V ~ 6V supply, 7.8mA output, -40°C ~ 85°C, 20-TSSOP surface mount.","salesMarkdown":"## Octal inverting buffer with bus-hold outputs Each of its two elements handles four bits, giving eight channels total for driving address/data buses or isolating logic sections. The 3-state output architecture lets you float the outputs when the output-enable is inactive, which is essential for shared-bus topologies where multiple drivers must not collide on the same trace. Supply range spans 2V to 6V, so this part works in both 3.3V and 5V systems without a separate level translator. ## 20-TSSOP — board area vs. rework trade-off Housed in a 20-TSSOP package (4.40mm body width), this part saves about 30% board area versus a 20-SOIC. The 0.65mm pin pitch means standard fine-tip soldering iron work is possible, but hot-air rework is cleaner. The 7.8mA output drive (both high and low) is enough to drive a handful of CMOS inputs or a small LED indicator directly. For longer traces or higher fan-out, budget a buffer stage. This is a standard catalog part with broad distribution support, so supply risk is low for production builds.","metaTitle":"SN74HC240PWT TI 74HC Buffer, Inverting, 3-State, 20-TSSOP","metaDescription":"Texas Instruments SN74HC240PWT 74HC series octal inverting buffer with 3-state outputs. 2V to 6V supply, -40°C to 85°C, 7.8mA drive. 20-TSSOP.","metaKeywords":null},"attributes":{"series":"74HC","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Series":"74HC","Package":"Tape & Reel (TR); Cut Tape (CT)","Logic Type":"Buffer, Inverting","Output Type":"3-State","Mounting Type":"Surface Mount","Package / Case":"20-TSSOP (0.173\\\", 4.40mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"2V ~ 6V","Number of Elements":"2","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"20-TSSOP","Current - Output High, Low":"7.8mA, 7.8mA","Number of Bits per Element":"4"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.32","priceTiers":[{"qty":1,"price":"$1.32000","currency":"USD"},{"qty":10,"price":"$1.18200","currency":"USD"},{"qty":25,"price":"$1.12200","currency":"USD"},{"qty":100,"price":"$0.92160","currency":"USD"},{"qty":250,"price":"$0.86148","currency":"USD"},{"qty":500,"price":"$0.76130","currency":"USD"},{"qty":1250,"price":"$0.60102","currency":"USD"},{"qty":2500,"price":"$0.56700","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/0dae3e5cc0ee3822560cb0e18ba9a8d5.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SN74HC240PWT/alternatives.json"},"ai":{"faq":[{"question":"Is SN74HC240PWT a buffer or inverter?","answer":"It is an inverting buffer — the output is the logical inverse of the input. With 3-state outputs, the bus can be floated when the device is disabled."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74HC240PWT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74HC240PWT 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}}