{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"74HCT4040DB,118","brand":"NXP Semiconductors","brandSlug":"nxp","productSlug":"74HCT4040DB118","canonicalUrl":"https://icboms.com/nxp/74HCT4040DB118","factsUrl":"https://icboms.com/api/mcp/products/74HCT4040DB%2C118","rawCanonicalId":null},"summary":{"shortDescription":"NXP 74HCT4040DB,118, 74HCT series, 12-stage binary ripple counter, 79 MHz count rate, negative-edge triggered, asynchronous reset, 4.5 V to 5.5 V supply, -40°C to 125°C, 16-SSOP package.","salesMarkdown":"## Package and footprint: 16-SSOP Housed in a 16-SSOP package with a 5.30 mm body width and 0.209 inch lead pitch, this part is a surface-mount device suited for dense PCB layouts. ## Lifecycle and compliance It is ROHS3 compliant, meeting the latest EU directive requirements for lead-free assembly.","metaTitle":"74HCT4040DB,118 Binary Counter, 79 MHz, 16-SSOP","metaDescription":"74HCT4040DB,118 12-stage binary ripple counter from NXP, 79 MHz count rate, 4.5 V to 5.5 V supply, -40°C to 125°C, 16-SSOP. Active, ROHS3 compliant.","metaKeywords":null},"attributes":{"series":"74HCT","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Reset":"Asynchronous","Series":"74HCT","Package":"Bulk","Direction":"Up","Count Rate":"79 MHz","Logic Type":"Binary Counter","Trigger Type":"Negative Edge","Mounting Type":"Surface Mount","Package / Case":"16-SSOP (0.209\\\", 5.30mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"4.5 V ~ 5.5 V","Number of Elements":"1","Operating Temperature":"-40°C ~ 125°C","Supplier Device Package":"16-SSOP","Number of Bits per Element":"12"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.25","stockQuantity":0,"priceTiers":[{"qty":1216,"price":"$0.25000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/0e226bdc285c215f2051f784268ee078.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the difference between 74HCT4040 and 74HC4040?","answer":"The 74HCT4040 is designed to be TTL-compatible, accepting input logic levels that match 5 V TTL (V_IH min = 2.0 V), while the 74HC4040 uses standard CMOS thresholds (V_IH min = 3.15 V at 4.5 V supply). If your driving logic is 5 V TTL, the HCT variant ensures cleaner noise margins without external level shifting."},{"question":"Can I use 74HCT4040DB as a replacement for HEF4040?","answer":"Both are 12-stage binary ripple counters with asynchronous reset, but the HEF4040 operates from a wider supply range (3 V to 15 V) and uses CMOS thresholds. The 74HCT4040DB is limited to 4.5 V to 5.5 V and expects TTL-compatible inputs. In a 5 V system with TTL drive, the 74HCT4040DB is a drop-in functional replacement; verify the pinout matches (both are 16-pin DIP/SSOP) and check the reset polarity — both use active-high asynchronous reset."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp/74HCT4040DB118","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp/74HCT4040DB118 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-14T11:05:10.205Z","lastPublished":"2026-07-14T11:05:10.205Z","indexable":true}}