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SN74HC20PWR

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Texas Instruments Logic Gates, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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package.json sn74hc20pwr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body… · Ray 7d ago
page.json sn74hc20pwr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body… · Ray 7d ago
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sn74hc20pwr-etched.step sn74hc20pwr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body… · Ray 7d ago
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SN74HC20PWR

Texas Instruments · Logic Gates · TSSOP-14

SN74HC20PWR from Texas Instruments, in a TSSOP-14. 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 1A input Channel 1 input A of the first 4-input NAND gate.
2 1B input Channel 1 input B of the first 4-input NAND gate.
3 NC unconnected Not internally connected.
4 1C input Channel 1 input C of the first 4-input NAND gate.
5 1D input Channel 1 input D of the first 4-input NAND gate.
6 1Y output Channel 1 output Y of the first NAND gate.
7 GND power_in Ground reference for the device.
8 2Y output Channel 2 output Y of the second NAND gate.
9 2A input Channel 2 input A of the second 4-input NAND gate.
10 2B input Channel 2 input B of the second 4-input NAND gate.
11 NC unconnected Not internally connected.
12 2C input Channel 2 input C of the second 4-input NAND gate.
13 2D input Channel 2 input D of the second 4-input NAND gate.
14 VCC power_in Positive supply; recommended supply range is 2 V to 6 V, with an absolute maximum of 7 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-14
Category Logic
Pins 14

CAD (KiCad official)

  • Symbol: SN74HC20PWR
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: sn74hc20pwr-etched.step / sn74hc20pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hc20pwr.step / sn74hc20pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 2cc1a4be65676db6, retrieved 2026-10-11, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (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