{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74ALS253N","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74ALS253N","canonicalUrl":"https://icboms.com/texas-instruments/SN74ALS253N","factsUrl":"https://icboms.com/api/mcp/products/SN74ALS253N","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments SN74ALS253N, 74ALS series, Type Multiplexer, Circuit 2 x 4:1, Single Supply 4.5V ~ 5.5V, Through Hole 16-DIP (0.300\", 7.62mm), 16-PDIP, 0°C ~ 70°C, Tube.","salesMarkdown":"## Dual 4:1 multiplexer in the 74ALS family The Texas Instruments SN74ALS253N is a dual 4:1 multiplexer from the 74ALS Schottky logic family, integrating two independent 4-input multiplexers with a common select bus and individual output-enable controls. It operates from a single 4.5V to 5.5V supply and is rated for the commercial temperature range of 0°C to 70°C, making it suitable for indoor, temperature-controlled equipment such as industrial controllers, test instruments, and telecom line cards where 5V TTL/ALS logic levels are still in service. ## Output drive and fan-out for the bus The SN74ALS253N can source 2.6 mA and sink 24 mA per output, which drives up to 10 standard ALS loads on the high side and comfortably handles 20 loads on the low side. When routing a multiplexed data bus through a backplane or across a PCB, the 24 mA sink capability gives clean low-level margins even with moderate trace capacitance. ## Through-hole 16-DIP for legacy and rework Housed in a 16-pin DIP (0.300\" body width, 7.62 mm pitch) with a PDIP supplier package designation, this part is through-hole mounted. That makes it a natural fit for prototyping boards, legacy system repairs, and environments where socketed ICs are preferred for field serviceability. ## Active lifecycle — no end-of-life concern The SN74ALS253N carries an active product status with ROHS3 compliance. There is no last-time-buy notice or obsolescence risk on this part today. For new designs or BOM continuity, this part is available through independent distribution channels and is sourced to order against an RFQ.","metaTitle":"SN74ALS253N Multiplexer, 2 x 4:1, 74ALS, 16-DIP","metaDescription":"TI SN74ALS253N dual 4:1 multiplexer, 74ALS family, 4.5V-5.5V, 16-DIP through-hole. Active production, ROHS3.","metaKeywords":null},"attributes":{"series":"74ALS","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["DC-DC Power Modules"],"specifications":{"Type":"Multiplexer","Series":"74ALS","Circuit":"2 x 4:1","Package":"Tube","Mounting Type":"Through Hole","Package / Case":"16-DIP (0.300\\\", 7.62mm)","lifecycle_stage":"eol_hot","Voltage - Supply":"4.5V ~ 5.5V","Independent Circuits":"1","Operating Temperature":"0°C ~ 70°C","Voltage Supply Source":"Single Supply","Supplier Device Package":"16-PDIP","Current - Output High, Low":"2.6mA, 24mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.93","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.93000","currency":"USD"},{"qty":10,"price":"$1.73000","currency":"USD"},{"qty":25,"price":"$1.63240","currency":"USD"},{"qty":100,"price":"$1.39080","currency":"USD"},{"qty":250,"price":"$1.30592","currency":"USD"},{"qty":500,"price":"$1.14268","currency":"USD"},{"qty":1000,"price":"$0.94679","currency":"USD"},{"qty":2500,"price":"$0.92400","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/0eeb1cc0db40c5b0e0ccb57149fb3bd0.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the difference between SN74ALS253N and SN74LS253N?","answer":"Both are dual 4:1 multiplexers in the same pinout and package. The ALS variant offers lower propagation delay and reduced power consumption per gate compared to the LS version, making it the better choice for higher-speed or lower-power 5V bus multiplexing. The LS variant remains a valid second-source option if ALS speed is not required."},{"question":"What is SN74ALS253N's listed type and series?","answer":"The device type is Multiplexer and it belongs to the 74ALS series of advanced low-power Schottky logic."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74ALS253N","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74ALS253N 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}}