Loads on click. Unloads only if this page sits in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

PCB Footprint

Open full view ↗
Loads on click. Unloads only if this page sits in the background.
Loads on click. Unloads only if this page sits in the background.
Download PDF
Contents

README

markdown

SN74AHCT373DWR

Texas Instruments · Latches · SOIC-20-300mil

SN74AHCT373DWR 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 OE input Output Enable input, active low
2 1Q tri_state Channel 1 output with tri-state control via OE pin
3 1D input Channel 1 data input
4 2D input Channel 2 data input
5 2Q tri_state Channel 2 output with tri-state control via OE pin
6 3Q tri_state Channel 3 output with tri-state control via OE pin
7 3D input Channel 3 data input
8 4D input Channel 4 data input
9 4Q tri_state Channel 4 output with tri-state control via OE pin
10 GND power_in Ground, negative power supply
11 LE input Latch Enable input, controls latching of data on falling edge
12 5Q tri_state Channel 5 output with tri-state control via OE pin
13 5D input Channel 5 data input
14 6D input Channel 6 data input
15 6Q tri_state Channel 6 output with tri-state control via OE pin
16 7Q tri_state Channel 7 output with tri-state control via OE pin
17 7D input Channel 7 data input
18 8D input Channel 8 data input
19 8Q tri_state Channel 8 output with tri-state control via OE pin
20 VCC power_in Positive power supply, 4.5V to 5.5V nominal

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74AHCT373DWR
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: sn74ahct373dwr-etched.step / sn74ahct373dwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahct373dwr.step / sn74ahct373dwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (50 pp, sha256 a8e6cea76f2a61d7, 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