{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CDCE949PW","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"CDCE949PW","canonicalUrl":"https://icboms.com/texas-instruments/CDCE949PW","factsUrl":"https://icboms.com/api/mcp/products/CDCE949PW","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments CDCE949PW, PLL Clock Generator, 4-PLL with VCXO, 230 MHz max, LVCMOS input/output, 1.7V-1.9V supply, -40°C to 85°C, 24-TSSOP package, Tube.","salesMarkdown":"## Four-PLL clock generator for low-voltage timing trees The Texas Instruments CDCE949PW is a 4-PLL VCXO clock generator in a 24-TSSOP package, designed to synthesize and distribute clean clock signals from an LVCMOS or crystal input. It delivers up to nine LVCMOS outputs from a single reference, with the PLLs individually configurable and bypassable when you need a clean feed-through path. The 230 MHz maximum output frequency covers most processor, FPGA, and serial-interface clocking needs, and the 1.7V to 1.9V supply rail fits the sub-2V core voltages common in modern digital ASICs and SoCs. ## 230 MHz ceiling and the 1:9 fan-out The 230 MHz maximum frequency is the hard limit for any output — if your design needs a 250 MHz reference for a SerDes or a high-speed ADC, this part won't close timing. The 1:9 input-to-output ratio means one crystal or reference oscillator can feed nine clock loads, which saves a separate buffer stage on the board. All I/O is single-ended LVCMOS; there are no differential outputs (LVPECL, LVDS), so for a pair of differential clock trees you would need an external fanout buffer after this device. ## Supply and temperature — the deployment envelope The 1.7V to 1.9V supply range is tight — this is not a 3.3V or 2.5V part, so a separate 1.8V rail (or an LDO from a higher bus) is mandatory. The 24-TSSOP package is a standard 4.4 mm wide body with 0.65 mm pitch — a common footprint that rework stations handle easily with a hot-air nozzle. The ROHS3 compliance is current, so no end-of-life exemption paperwork is needed.","metaTitle":"CDCE949PW PLL Clock Generator, 230 MHz, 24-TSSOP","metaDescription":"Texas Instruments CDCE949PW 4-PLL VCXO clock generator, 230 MHz max, LVCMOS I/O, 1.7-1.9V, -40 to 85°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Clock & Timing ICs"],"specifications":{"Mfr":"Texas Instruments","PLL":"Yes with Bypass","Type":"PLL Clock Generator","Input":"LVCMOS, Crystal","Output":"LVCMOS","Series":"-","Package":"Tube","Mounting Type":"Surface Mount","Package / Case":"24-TSSOP (0.173\\\", 4.40mm Width)","Product Status":"Active","Frequency - Max":"230MHz","lifecycle_stage":"eol_hot","Voltage - Supply":"1.7V ~ 1.9V","Divider/Multiplier":"Yes/No","Number of Circuits":"1","Base Product Number":"CDCE949","Ratio - Input:Output":"1:9","Operating Temperature":"-40°C~85°C","Supplier Device Package":"24-TSSOP","Differential - Input:Output":"No/No"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.9700","priceTiers":[{"qty":1,"price":"$6.97000","currency":"USD"},{"qty":10,"price":"$6.26200","currency":"USD"},{"qty":25,"price":"$5.91960","currency":"USD"},{"qty":100,"price":"$5.13030","currency":"USD"},{"qty":250,"price":"$4.86720","currency":"USD"},{"qty":500,"price":"$4.36732","currency":"USD"},{"qty":1000,"price":"$3.72300","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/c2c2eaa0174ab99f12057213da9704ca.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CDCE949PW/alternatives.json"},"ai":{"faq":[{"question":"What is the maximum output frequency of CDCE949PW?","answer":"The maximum output frequency is 230 MHz. Each of the nine LVCMOS outputs can operate up to this limit, but the part does not support differential outputs."},{"question":"Is CDCE949PW a direct replacement for CDCE937?","answer":"The CDCE949PW shares the same 24-TSSOP package and 1.7V-1.9V supply as the CDCE937, but the CDCE949PW has four PLLs versus the CDCE937's three. Pin compatibility depends on the specific output configuration — review the TI application note for the family before swapping without a board spin."},{"question":"What is the difference between CDCE949PW and CDCE949?","answer":"The CDCE949PW is the 24-TSSOP packaged variant. The base number CDCE949 refers to the die or the family; the PW suffix specifies the surface-mount TSSOP package. Electrically they are identical."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/CDCE949PW","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/CDCE949PW 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}}