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Contents

README

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SN74LV594APWR

Texas Instruments · Shift Registers · TSSOP-16

SN74LV594APWR 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 Parallel output from stage B of the 8-bit shift register.
2 QC output Parallel output from stage C of the 8-bit shift register.
3 QD output Parallel output from stage D of the 8-bit shift register.
4 QE output Parallel output from stage E of the 8-bit shift register.
5 QF output Parallel output from stage F of the 8-bit shift register.
6 QG output Parallel output from stage G of the 8-bit shift register.
7 QH output Parallel output from stage H of the 8-bit shift register.
8 GND power_in Ground pin; 0V reference.
9 QH' output Serial output (QH inverted) for cascading purposes.
10 SRCLR input Independent direct overriding clear input for shift register; active low.
11 SRCLK input Positive-edge triggered clock input for shift register.
12 RCLK input Positive-edge triggered clock input for storage register.
13 RCLR input Independent direct overriding clear input for storage register; active low.
14 SER input Serial data input to 8-bit shift register.
15 QA output Parallel output from stage A of the 8-bit shift register.
16 Vcc power_in Positive supply voltage; recommended operating range 2V to 5.5V.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74LV594APWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74lv594apwr-etched.step / sn74lv594apwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lv594apwr.step / sn74lv594apwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 e001864d4f653889, 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