{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN74LS629N","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN74LS629N","canonicalUrl":"https://icboms.com/texas-instruments/SN74LS629N","factsUrl":"https://icboms.com/api/mcp/products/SN74LS629N","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 74LS series Dual VCO, SN74LS629N, 20 MHz, 4.75-5.25 V, 0-70°C, 16-DIP (0.300\", 7.62 mm), Through Hole, Tube.","salesMarkdown":"## Dual VCO at 20 MHz — what the frequency rating means for your loop The SN74LS629N is a dual voltage-controlled oscillator from the 74LS Schottky family, rated for a maximum oscillation frequency of 20 MHz. In a phase-locked loop or clock-recovery circuit, the VCO's centre frequency is set by an external capacitor and the control voltage — the 20 MHz ceiling defines the upper bound of the capture range, not the free-run frequency you design to. For a PLL locking to a 10 MHz reference, the VCO tunes across a band that includes that frequency with margin; the 20 MHz limit means this part suits sub-20 MHz clock generation and frequency synthesis, not high-speed serial links. ## 5 V rail and 0–70 °C — the operating envelope for commercial systems If your system bus is 5 V with a ±10 % regulator, the VCO drops out of spec below 4.75 V; budget a 5 V ±5 % rail or a post-regulator LDO. Supply current is 35 mA typical for both VCO sections running. This is the current drawn from the 5 V rail, not the output drive — the VCO outputs are 74LS-compatible and sink or source a few mA per channel. The 35 mA figure goes into the system power budget as a constant load independent of output frequency. ## ROHS3 and compliance documentation The SN74LS629N is ROHS3 compliant. Texas Instruments provides the standard compliance documentation — RoHS declaration, REACH SVHC statement, and material declaration — with the shipment.","metaTitle":"SN74LS629N Texas Instruments Dual VCO, 20 MHz, 16-DIP","metaDescription":"Texas Instruments SN74LS629N dual VCO, 20 MHz max frequency, 4.75-5.25 V supply, 0-70°C, 16-pin DIP. Active production, ROHS3 compliant. Quoted to order.","metaKeywords":null},"attributes":{"series":"74LS","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Clock & Timing ICs"],"specifications":{"Type":"VCO (Dual)","Series":"74LS","Package":"Tube","Frequency":"20MHz","Mounting Type":"Through Hole","Package / Case":"16-DIP (0.300\\\", 7.62mm)","lifecycle_stage":"eol_hot","Current - Supply":"35 mA","Voltage - Supply":"4.75V ~ 5.25V","Operating Temperature":"0°C ~ 70°C","Supplier Device Package":"16-PDIP"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.94","priceTiers":[{"qty":1,"price":"$6.94000","currency":"USD"},{"qty":10,"price":"$6.27000","currency":"USD"},{"qty":25,"price":"$5.97800","currency":"USD"},{"qty":100,"price":"$5.19060","currency":"USD"},{"qty":250,"price":"$4.95732","currency":"USD"},{"qty":500,"price":"$4.51990","currency":"USD"},{"qty":1000,"price":"$4.12650","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/2a616d4fb214715e15bd712f4f5c29f3.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SN74LS629N/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN74LS629N","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN74LS629N 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}}