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CD74HC243M96

Public Made by Adom

by adom

Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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docs cd74hc243m96: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
viewers cd74hc243m96: viewers · Ray
cd74hc243m96-etched.fit.json cd74hc243m96: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
cd74hc243m96-etched.glb cd74hc243m96: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
cd74hc243m96-etched.step cd74hc243m96: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
cd74hc243m96.glb Publish 0.1.0 · Ray
cd74hc243m96.kicad_mod Publish 0.1.0 · Ray
cd74hc243m96.kicad_sym Publish 0.1.0 · Ray
cd74hc243m96.lbr Publish 0.1.0 · Ray
cd74hc243m96.step Publish 0.1.0 · Ray
package.json cd74hc243m96: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray
page.json cd74hc243m96: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray
README.md Initial commit: component/cd74hc243m96 · Ray

CD74HC243M96

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · SOIC-14

CD74HC243M96 from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 OEB input Output-enable input for the B-port side; together with OEA it selects the data-flow direction (A to B or B to A) or places the I/O terminals in the high-impedance state per the truth table.
2 NC unconnected No internal connection.
3 A0 bidirectional Data I/O terminal for bus-transceiver channel 0 on the A side; acts as input or output (or high-Z) depending on the OEA/OEB control state.
4 A1 bidirectional Data I/O terminal for bus-transceiver channel 1 on the A side; acts as input or output (or high-Z) depending on the OEA/OEB control state.
5 A2 bidirectional Data I/O terminal for bus-transceiver channel 2 on the A side; acts as input or output (or high-Z) depending on the OEA/OEB control state.
6 A3 bidirectional Data I/O terminal for bus-transceiver channel 3 on the A side; acts as input or output (or high-Z) depending on the OEA/OEB control state.
7 GND power_in Ground/supply return terminal.
8 B3 bidirectional Data I/O terminal for bus-transceiver channel 3 on the B side; acts as input or output (or high-Z) depending on the OEA/OEB control state.
9 B2 bidirectional Data I/O terminal for bus-transceiver channel 2 on the B side; acts as input or output (or high-Z) depending on the OEA/OEB control state.
10 B1 bidirectional Data I/O terminal for bus-transceiver channel 1 on the B side; acts as input or output (or high-Z) depending on the OEA/OEB control state.
11 B0 bidirectional Data I/O terminal for bus-transceiver channel 0 on the B side; acts as input or output (or high-Z) depending on the OEA/OEB control state.
12 NC unconnected No internal connection.
13 OEA input Output-enable input for the A-port side; together with OEB it selects the data-flow direction (A to B or B to A) or places the I/O terminals in the high-impedance state per the truth table.
14 VCC power_in Positive supply voltage terminal, specified over 2V to 6V for HC types.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Logic
Pins 14

CAD (KiCad official)

  • Symbol: CD74HC243M96
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: cd74hc243m96-etched.step / cd74hc243m96-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74hc243m96.step / cd74hc243m96.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (24 pp, sha256 40fb03b77b5d31c8, retrieved 2026-09-22, 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-5 (text+vision), consensus claude-opus-4-8 (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