Texas Instruments CD74AC139E has 2 recorded cross-reference matches across 2 manufacturers. Research equivalent, alternate or similar parts using the listed candidates, and check their source notes before selecting a replacement.
Fairchild Semiconductor 74AC139PC versus Texas Instruments CD74AC139E:
Source manufacturer label FSC. Source technology AC, generic 74AC139, comments , package PC/PDIP, pins 16. TI generic CD74AC139, TI package N, TI comments . Source notice: suitable substitute subject to both comments columns, no exact interchangeability guarantee; some mappings use engineering judgment.
ON Semiconductor MC74AC139N versus Texas Instruments CD74AC139E:
Source manufacturer label ON Semi. Source technology AC, generic MC74AC139, comments , package N/PDIP, pins 16. TI generic CD74AC139, TI package N, TI comments . Source notice: suitable substitute subject to both comments columns, no exact interchangeability guarantee; some mappings use engineering judgment.
Find additional research candidates through a shared connecting part. Each result is labeled Second-degree candidate · Unverified and shows both recorded source relationships.
Two recorded crosses do not establish a verified equivalent. Compare current specifications, interfaces, ratings, cable requirements and the same PCB footprint or panel fit before substitution. Candidate counts are separate from direct-cross and part totals.
CD74AC139E replacement and similar-part research
Looking for an equivalent or alternate to Texas Instruments CD74AC139E? The 2 recorded candidates above link to individual part pages and the evidence behind each relationship.
A recorded cross reference does not establish a drop-in replacement. Compare current datasheets, package or mounting dimensions, pinout, electrical ratings and operating conditions for your application. Similar parts can differ in critical specifications.
Counts describe recorded relationships, not stock, sales, testing or independent qualification. Manufacturer-and-part identities remain separate. Indexing dates do not establish current specifications or availability.
Check current manufacturer documents and electrical, mechanical, environmental and application requirements before selecting a replacement.