{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CD74HCT7046AMT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"CD74HCT7046AMT","canonicalUrl":"https://icboms.com/texas-instruments/CD74HCT7046AMT","factsUrl":"https://icboms.com/api/mcp/products/CD74HCT7046AMT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 74HCT series, Phase Lock Loop (PLL) with VCO and lock detector, 38 MHz max, 4.5V–5.5V supply, CMOS I/O, SOIC-16, -55°C to 125°C.","salesMarkdown":"## 38 MHz PLL with VCO and lock detect The CD74HCT7046AMT is a single-circuit phase-locked loop from the 74HCT family, integrating a voltage-controlled oscillator (VCO) and a lock detector in a 16-SOIC package. It accepts CMOS-level inputs and delivers CMOS outputs, with a maximum operating frequency of 38 MHz. ## 5V-only rail, military temp range Supply voltage is 4.5V to 5.5V — this is a 5V-only part. If your board runs a 3.3V logic core, you will need level shifters on the PLL I/O. The input-to-output ratio is 1:2: one reference input drives the VCO output and the lock-detector output. The lock detector gives a clean digital flag when the loop is settled, which saves an external comparator in frequency synthesis or FSK demodulation designs. ## SOIC-16 footprint, surface-mount assembly Packaged in a 16-SOIC (0.154-inch body width, 3.90 mm) for surface-mount reflow. The narrow SOIC footprint is common across the 74HCT logic family, so a board layout for a sibling part (e.g., CD74HCT7046AE in DIP) will need a different land pattern. No differential I/O — single-ended CMOS signalling only.","metaTitle":"CD74HCT7046AMT PLL IC – Texas Instruments 74HCT, 38 MHz","metaDescription":"CD74HCT7046AMT phase-locked loop with VCO and lock detector. 38 MHz max, 4.5V–5.5V supply, SOIC-16. Active production, ROHS3 compliant.","metaKeywords":null},"attributes":{"series":"74HCT","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Clock & Timing ICs"],"specifications":{"PLL":"Yes","Type":"Phase Lock Loop (PLL)","Input":"CMOS","Output":"CMOS","Series":"74HCT","Package":"Tape & Reel (TR); Cut Tape (CT)","Mounting Type":"Surface Mount","Package / Case":"16-SOIC (0.154\\\", 3.90mm Width)","Frequency - Max":"38MHz","lifecycle_stage":"eol_hot","Voltage - Supply":"4.5V ~ 5.5V","Divider/Multiplier":"No/No","Number of Circuits":"1","Ratio - Input:Output":"1:2","Operating Temperature":"-55°C ~ 125°C","Supplier Device Package":"16-SOIC","Differential - Input:Output":"No/No"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.4","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$3.40000","currency":"USD"},{"qty":10,"price":"$3.05800","currency":"USD"},{"qty":25,"price":"$2.89080","currency":"USD"},{"qty":100,"price":"$2.50520","currency":"USD"},{"qty":250,"price":"$2.37672","currency":"USD"},{"qty":500,"price":"$2.13264","currency":"USD"},{"qty":1250,"price":"$1.81800","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/87cd42b2ee67ac9cf7bd37885e14ea91.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is CD74HCT7046AMT a direct replacement for the CD74HCT7046AE?","answer":"The CD74HCT7046AE is the through-hole DIP version of the same die. Both share the same PLL core, 38 MHz max frequency, and 4.5V–5.5V supply. The AMT suffix indicates SOIC-16 surface-mount packaging; the AE suffix is a 16-pin DIP. They are not footprint-compatible, but function-identical for the same socket."},{"question":"Where can I find the datasheet for CD74HCT7046AMT?","answer":"The Texas Instruments datasheet for the CD74HCT7046A family covers both the AMT (SOIC) and AE (DIP) variants. It includes the VCO transfer curve, lock-detector timing, and the full AC/DC electrical table. Request a copy with your RFQ or download from the TI website."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/CD74HCT7046AMT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/CD74HCT7046AMT 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}}