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

SN74ACT573DWR

Texas Instruments · Latches · SOIC-20

SN74ACT573DWR from Texas Instruments, in a SOIC-20. 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 control input; outputs driven to high impedance when high
2 1D input Data input for bit 1 of 8-bit transparent latch
3 2D input Data input for bit 2 of 8-bit transparent latch
4 3D input Data input for bit 3 of 8-bit transparent latch
5 4D input Data input for bit 4 of 8-bit transparent latch
6 5D input Data input for bit 5 of 8-bit transparent latch
7 6D input Data input for bit 6 of 8-bit transparent latch
8 7D input Data input for bit 7 of 8-bit transparent latch
9 8D input Data input for bit 8 of 8-bit transparent latch
10 GND power_in Ground reference
11 LE input Latch Enable input; transparent to inputs when high, latches data when low
12 8Q output Data output for bit 8 of 8-bit transparent latch
13 7Q output Data output for bit 7 of 8-bit transparent latch
14 6Q output Data output for bit 6 of 8-bit transparent latch
15 5Q output Data output for bit 5 of 8-bit transparent latch
16 4Q output Data output for bit 4 of 8-bit transparent latch
17 3Q output Data output for bit 3 of 8-bit transparent latch
18 2Q output Data output for bit 2 of 8-bit transparent latch
19 1Q output Data output for bit 1 of 8-bit transparent latch
20 VCC power_in Power supply voltage

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74ACT573DWR
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20 (KiCad packages3D, STEP)
  • 3D model files: sn74act573dwr-etched.step / sn74act573dwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74act573dwr.step / sn74act573dwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (36 pp, sha256 fe3ab052ad4010d5, 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