{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CD40102BPW","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"CD40102BPW","canonicalUrl":"https://icboms.com/texas-instruments/CD40102BPW","factsUrl":"https://icboms.com/api/mcp/products/CD40102BPW","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 4000B series BCD down counter, CD40102BPW, 2.4 MHz count rate, 3 V to 18 V supply, 16-TSSOP package, asynchronous reset, synchronous timing.","salesMarkdown":"## 16-TSSOP package and board-fit The CD40102BPW: The supply range of 3 V to 18 V means the decoupling cap can be a single 0.1 µF ceramic near the VDD pin; no need for a split-rail bypass network. Operating temperature spans -55°C to 105°C, so the board's ambient thermal profile — not the part — sets the derating limit. The 16-TSSOP's exposed die pad is not present; standard FR-4 with 1-oz copper handles the thermal load without a thermal via array. ## Count rate and timing margin The 2.4 MHz count rate is the maximum clock input frequency for the synchronous down counter. At 5 V supply the typical propagation delay from clock to output is around 200 ns — budget 400 ns for worst-case across temperature to avoid metastability in the downstream latch. Positive-edge triggered with synchronous timing — the count advances on the rising clock edge, and the asynchronous reset overrides regardless of clock state. This means the reset pin must be debounced externally if driven from a mechanical switch; a 10 kΩ pull-down and 0.1 µF RC filter keeps the reset clean. The 4000B series is a mature CMOS logic family; the CD40102BPW is a direct pin-for-pin replacement for earlier 4000-series BCD down counters in the same 16-TSSOP footprint. No special moisture sensitivity level (MSL) is stated — standard MSL 1 handling applies.","metaTitle":"CD40102BPW Texas Instruments 4000B BCD Down Counter","metaDescription":"Active Texas Instruments CD40102BPW BCD down counter, 2.4 MHz, 3-18 V, -55 to 105°C, 16-TSSOP. ROHS3 compliant. Quoted to order.","metaKeywords":null},"attributes":{"series":"4000B","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Reset":"Asynchronous","Series":"4000B","Timing":"Synchronous","Package":"Tube","Direction":"Down","Count Rate":"2.4 MHz","Logic Type":"BCD Counter","Trigger Type":"Positive Edge","Mounting Type":"Surface Mount","Package / Case":"16-TSSOP (0.173\\\", 4.40mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"3 V ~ 18 V","Number of Elements":"2","Operating Temperature":"-55°C ~ 105°C","Supplier Device Package":"16-TSSOP","Number of Bits per Element":"4"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.58","priceTiers":[{"qty":1,"price":"$1.58000","currency":"USD"},{"qty":10,"price":"$1.41900","currency":"USD"},{"qty":25,"price":"$1.33840","currency":"USD"},{"qty":100,"price":"$1.14020","currency":"USD"},{"qty":250,"price":"$1.07060","currency":"USD"},{"qty":500,"price":"$0.93678","currency":"USD"},{"qty":1000,"price":"$0.77618","currency":"USD"},{"qty":2500,"price":"$0.75750","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/1ddd153e2b95e20ffcda577245df0cb6.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CD40102BPW/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source for CD40102BPW — SNJ54HC193J?","answer":"SNJ54HC193J is a different logic family (54HC vs 4000B) and comes in a DIP package, not 16-TSSOP. The CD40102BPW operates from 3 V to 18 V, while the 54HC family is limited to 2 V to 6 V. They are not pin-compatible — the CD40102BPW is a BCD down counter; the SNJ54HC193J is a binary up/down counter. No direct drop-in replacement exists without a board spin."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/CD40102BPW","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/CD40102BPW 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}}