{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74ALS166DE4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74ALS166DE4","canonicalUrl":"https://icboms.com/texas-instruments/SN74ALS166DE4","factsUrl":"https://icboms.com/api/mcp/products/SN74ALS166DE4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 74ALS series shift register, SN74ALS166DE4, 8-bit parallel or serial to serial, standard output, 16-SOIC surface mount, tube.","salesMarkdown":"## 8-bit parallel or serial input, standard output The SN74ALS166DE4 is an 8-bit shift register from the 74ALS family, accepting parallel or serial data and shifting it out serially — a common building block for expanding digital inputs or serialising data on a shared bus. ## 16-SOIC surface-mount package Supplied in tube packaging, which is the common format for low-to-medium volume production runs and prototyping.","metaTitle":"SN74ALS166DE4 8-bit shift register, 74ALS, 16-SOIC","metaDescription":"Texas Instruments SN74ALS166DE4 8-bit parallel/serial shift register, 4.5-5.5V, 0-70°C, 16-SOIC. Active, ROHS3. Quoted to order.","metaKeywords":null},"attributes":{"series":"74ALS","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Series":"74ALS","Package":"Tube","Function":"Parallel or Serial to Serial","Logic Type":"Shift Register","Output Type":"Standard","Mounting Type":"Surface Mount","Package / Case":"16-SOIC (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"4.5V ~ 5.5V","Number of Elements":"1","Operating Temperature":"0°C ~ 70°C","Supplier Device Package":"16-SOIC","Number of Bits per Element":"8"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.27","stockQuantity":0,"priceTiers":[{"qty":71,"price":"$4.27000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/862fbd14429575317cafc6365b3ec07a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Where can I buy SN74ALS166DE4 and get a quote?","answer":"We source the SN74ALS166DE4 through independent distribution channels."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74ALS166DE4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74ALS166DE4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}