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Contents

README

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SN74AHC594PWR

Texas Instruments · Shift Registers · TSSOP-16

SN74AHC594PWR from Texas Instruments, in a TSSOP-16. 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 QB output QB output from the 8-bit storage register
2 QC output QC output from the 8-bit storage register
3 QD output QD output from the 8-bit storage register
4 QE output QE output from the 8-bit storage register
5 QF output QF output from the 8-bit storage register
6 QG output QG output from the 8-bit storage register
7 QH output QH output from the 8-bit storage register
8 GND power_in Ground reference connection
9 QH' output Serial output from the shift register for cascading
10 SRCLR input Shift register clear input, active low
11 SRCLK input Shift register clock input, positive-edge triggered
12 RCLK input Storage register clock input, positive-edge triggered
13 RCLR input Storage register clear input, active low
14 SER input Serial data input to the shift register
15 QA output QA output from the 8-bit storage register
16 VCC power_in Supply voltage pin, 2V to 5.5V operating range

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-16
Category Logic
Pins 16

CAD (KiCad official)

  • Symbol: SN74AHC594PWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74ahc594pwr-etched.step / sn74ahc594pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahc594pwr.step / sn74ahc594pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 6ae688e101bb1b8c, retrieved 2026-09-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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