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CD74HC240M96

Public Made by Adom

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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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CD74HC240M96

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

CD74HC240M96 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 1OE input Active-low output enable for bank 1; when LOW, outputs 1Y0-1Y3 are enabled (inverting); when HIGH, all bank-1 outputs are high-impedance.
2 1A0 input Data input A0, bank 1; drives inverting tri-state output 1Y0 when 1OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V.
3 2Y3 tri_state Inverting tri-state output Y3, bank 2; enabled when 2OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V.
4 1A1 input Data input A1, bank 1; drives inverting tri-state output 1Y1 when 1OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V.
5 2Y2 tri_state Inverting tri-state output Y2, bank 2; enabled when 2OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V.
6 1A2 input Data input A2, bank 1; drives inverting tri-state output 1Y2 when 1OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V.
7 2Y1 tri_state Inverting tri-state output Y1, bank 2; enabled when 2OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V.
8 1A3 input Data input A3, bank 1; drives inverting tri-state output 1Y3 when 1OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V.
9 2Y0 tri_state Inverting tri-state output Y0, bank 2; enabled when 2OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V.
10 GND power_in Ground reference; continuous current through GND pin must not exceed ±70 mA absolute maximum.
11 2A0 input Data input A0, bank 2; drives inverting tri-state output 2Y0 when 2OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V.
12 1Y3 tri_state Inverting tri-state output Y3, bank 1; enabled when 1OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V.
13 2A1 input Data input A1, bank 2; drives inverting tri-state output 2Y1 when 2OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V.
14 1Y2 tri_state Inverting tri-state output Y2, bank 1; enabled when 1OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V.
15 2A2 input Data input A2, bank 2; drives inverting tri-state output 2Y2 when 2OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V.
16 1Y1 tri_state Inverting tri-state output Y1, bank 1; enabled when 1OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V.
17 2A3 input Data input A3, bank 2; drives inverting tri-state output 2Y3 when 2OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V.
18 1Y0 tri_state Inverting tri-state output Y0, bank 1; enabled when 1OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V.
19 2OE input Active-low output enable for bank 2; when LOW, outputs 2Y0-2Y3 are enabled (inverting); when HIGH, all bank-2 outputs are high-impedance.
20 VCC power_in Positive supply; HC types 2 V to 6 V, HCT types 4.5 V to 5.5 V; decouple with 0.1 μF ceramic capacitor as close to pin as possible.

Key specifications

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

CAD (KiCad official)

  • Symbol: CD74HC240M96
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: cd74hc240m96-etched.step / cd74hc240m96-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74hc240m96.step / cd74hc240m96.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (32 pp, sha256 cf7e141111c1576a, 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-sonnet-4-6 (text+vision), consensus claude-opus-4-7 (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