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Contents

README

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CD74ACT273PWR

Texas Instruments · Flip Flops · TSSOP-20

CD74ACT273PWR from Texas Instruments, in a TSSOP-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 !MR input Master reset, active low
2 Q0 output Output Q0
3 D0 input Input D0
4 D1 input Input D1
5 Q1 output Output Q1
6 Q2 output Output Q2
7 D2 input Input D2
8 D3 input Input D3
9 Q3 output Output Q3
10 GND power_in Ground
11 CP input Clock, rising edge triggered
12 Q4 output Output Q4
13 D4 input Input D4
14 D5 input Input D5
15 Q5 output Output Q5
16 Q6 output Output Q6
17 D6 input Input D6
18 D7 input Input D7
19 Q7 output Output Q7
20 VCC power_in Supply

Key specifications

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

CAD (KiCad official)

  • Symbol: CD74ACT273PWR
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: cd74act273pwr-etched.step / cd74act273pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74act273pwr.step / cd74act273pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (29 pp, sha256 c7bc25809bba3eaf, retrieved 2026-10-06, tier: manufacturer)
  • 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