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CD74ACT138M96

Texas Instruments · Signal Switches, Multiplexers, Decoders · SOIC-16

CD74ACT138M96 from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	A	input	Binary select input A for 3-to-8 decoder function.
2	B	input	Binary select input B for 3-to-8 decoder function.
3	C	input	Binary select input C for 3-to-8 decoder function.
4	G2A	input	Strobe input 2A, active low, for cascading and demultiplexing applications.
5	G2B	input	Strobe input 2B, active low, for cascading and demultiplexing applications.
6	G1	input	Strobe input, active high, for cascading and demultiplexing applications.
7	Y7	output	Active-low decoder output 7, selected when C=H, B=H, A=H and enable inputs satisfied.
8	GND	power_in	Ground connection.
9	Y6	output	Active-low decoder output 6, selected when C=H, B=H, A=L and enable inputs satisfied.
10	Y5	output	Active-low decoder output 5, selected when C=H, B=L, A=H and enable inputs satisfied.
11	Y4	output	Active-low decoder output 4, selected when C=H, B=L, A=L and enable inputs satisfied.
12	Y3	output	Active-low decoder output 3, selected when C=L, B=H, A=H and enable inputs satisfied.
13	Y2	output	Active-low decoder output 2, selected when C=L, B=H, A=L and enable inputs satisfied.
14	Y1	output	Active-low decoder output 1, selected when C=L, B=L, A=H and enable inputs satisfied.
15	Y0	output	Active-low decoder output 0, selected when C=L, B=L, A=L and enable inputs satisfied.
16	VCC	power_in	Positive power supply, recommended operating range 4.5V to 5.5V.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	SOIC-16
Category	Logic
Pins	16

CAD (KiCad official)

Symbol: CD74ACT138M96
Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
3D model: SOIC-16 (KiCad packages3D, STEP)
3D model files: cd74act138m96-etched.step / cd74act138m96-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74act138m96.step / cd74act138m96.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Texas Instruments datasheet (29 pp, sha256 5552d170ce35cc65, retrieved 2026-10-03, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF