{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SN7425N","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"SN7425N","canonicalUrl":"https://icboms.com/texas-instruments/SN7425N","factsUrl":"https://icboms.com/api/mcp/products/SN7425N","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments 7400 series NOR Gate, SN7425N, 2 Circuit 4-Input, Through Hole 14-DIP (0.300\", 7.62mm), 4.75V ~ 5.25V supply, 0°C ~ 70°C operating temperature.","salesMarkdown":"## 7400-series NOR gate in a 14-pin DIP The Texas Instruments SN7425N is a 7400-series NOR gate with two independent circuits, each providing four inputs. Housed in a 14-pin DIP (0.300\", 7.62mm) with through-hole mounting, the SN7425N suits legacy designs, breadboard prototyping, or any board where a DIP footprint is already established. ## Timing and drive — what the numbers mean for the board Maximum propagation delay is 22 ns at 5 V with a 15 pF load — this sets the data-rate ceiling for a single gate in a 5 V logic chain. The delay adds across cascaded stages, so a four-gate path sees roughly 88 ns of total propagation delay before the output settles. Output drive is asymmetric: 800 µA sourcing (logic-high) and 16 mA sinking (logic-low). The low-side drive is adequate for driving a standard TTL fan-out of ten loads, but the high-side current limits direct LED or relay drive — a pull-up resistor or buffer stage is needed for loads above 800 µA. Input logic thresholds are 0.8 V (low) and 2 V (high) — compatible with 5 V TTL and CMOS families that meet the same levels. The strobe feature (pin 1 on each gate) allows the output to be forced high regardless of the input state, useful for bus isolation or test-mode gating. ## Sourcing and compliance — active lifecycle, no obsolescence risk For BOM planning, the active lifecycle means no forced redesign or qualification effort is needed to keep the line running.","metaTitle":"Texas Instruments SN7425N NOR Gate, 2 Circuit 4-Input 14-DIP","metaDescription":"Texas Instruments SN7425N 7400-series NOR gate, 2 circuits, 4 inputs, 22ns propagation delay at 5V. Active production, ROHS3 compliant. Quoted to order.","metaKeywords":null},"attributes":{"series":"7400","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Series":"7400","Package":"Tube","Features":"Strobe","Logic Type":"NOR Gate","Mounting Type":"Through Hole","Package / Case":"14-DIP (0.300\\\", 7.62mm)","lifecycle_stage":"eol_hot","Number of Inputs":"4","Voltage - Supply":"4.75V ~ 5.25V","Number of Circuits":"2","Operating Temperature":"0°C ~ 70°C","Input Logic Level - Low":"0.8V","Supplier Device Package":"14-PDIP","Input Logic Level - High":"2V","Current - Output High, Low":"800µA, 16mA","Max Propagation Delay @ V, Max CL":"22ns @ 5V, 15pF"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.05","priceTiers":[{"qty":1,"price":"$3.05000","currency":"USD"},{"qty":10,"price":"$2.74200","currency":"USD"},{"qty":25,"price":"$2.59240","currency":"USD"},{"qty":100,"price":"$2.24680","currency":"USD"},{"qty":250,"price":"$2.13160","currency":"USD"},{"qty":500,"price":"$1.91268","currency":"USD"},{"qty":1000,"price":"$1.63050","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/243b862e8ad29e604c22b88b291802b8.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/SN7425N/alternatives.json"},"ai":{"faq":[{"question":"What compliance documentation does Texas Instruments provide for SN7425N?","answer":"Texas Instruments provides ROHS3 compliance for the SN7425N. No UL or IEC certification is listed in the available documentation."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/SN7425N","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/SN7425N 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}}