component

CD74AC540M96

Public Made by Adom

by adom

Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs cd74ac540m96: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
viewers cd74ac540m96 0.1.1: correct pinout (0.1.0 carried a 74AC273 pinout); Opus 5.5 + Sonnet 5.5 agree on all 20 pins · Ray
cd74ac540m96-etched.fit.json cd74ac540m96: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
cd74ac540m96-etched.glb cd74ac540m96: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
cd74ac540m96-etched.step cd74ac540m96: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
cd74ac540m96.glb Publish 0.1.0 · Ray
cd74ac540m96.kicad_mod Publish 0.1.0 · Ray
cd74ac540m96.kicad_sym Publish 0.1.1 · Ray
cd74ac540m96.lbr Publish 0.1.1 · Ray
cd74ac540m96.step Publish 0.1.0 · Ray
package.json cd74ac540m96: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray
page.json cd74ac540m96: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray
README.md Publish 0.1.1 · Ray

CD74AC540M96

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · SOIC-20-300mil

CD74AC540M96 from Texas Instruments, in a SOIC-20-300mil. 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 ~{OE1} input Active-low output enable 1; outputs are high-impedance when OE1 or OE2 is high.
2 A0 input Data input A0, inverted to Y0 when enabled.
3 A1 input Data input A1, inverted to Y1 when enabled.
4 A2 input Data input A2, inverted to Y2 when enabled.
5 A3 input Data input A3, inverted to Y3 when enabled.
6 A4 input Data input A4, inverted to Y4 when enabled.
7 A5 input Data input A5, inverted to Y5 when enabled.
8 A6 input Data input A6, inverted to Y6 when enabled.
9 A7 input Data input A7, inverted to Y7 when enabled.
10 GND power_in Ground.
11 ~{Y7} tri_state Inverting 3-state output Y7, ±24mA drive.
12 ~{Y6} tri_state Inverting 3-state output Y6, ±24mA drive.
13 ~{Y5} tri_state Inverting 3-state output Y5, ±24mA drive.
14 ~{Y4} tri_state Inverting 3-state output Y4, ±24mA drive.
15 ~{Y3} tri_state Inverting 3-state output Y3, ±24mA drive.
16 ~{Y2} tri_state Inverting 3-state output Y2, ±24mA drive.
17 ~{Y1} tri_state Inverting 3-state output Y1, ±24mA drive.
18 ~{Y0} tri_state Inverting 3-state output Y0, ±24mA drive.
19 ~{OE2} input Active-low output enable 2; outputs are high-impedance when OE1 or OE2 is high.
20 VCC power_in Supply voltage, 1.5V to 5.5V for AC types (6V absolute max).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-20-300mil
Category Logic
Pins 20

CAD (KiCad official)

  • Symbol: CD74AC540M96
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: cd74ac540m96-etched.step / cd74ac540m96-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74ac540m96.step / cd74ac540m96.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (29 pp, sha256 3bbe83696bf3757a, retrieved 2026-09-27, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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