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SN74HCS27PWR

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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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Symbol & Footprint

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Datasheet

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Contents

README

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SN74HCS27PWR

Texas Instruments · Logic Gates · TSSOP-14

SN74HCS27PWR 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 Schmitt-trigger input A for channel 1 of triple 3-input NOR gate, logic input range 0 V to VCC
2 1B input Schmitt-trigger input B for channel 1 of triple 3-input NOR gate, logic input range 0 V to VCC
3 2A input Schmitt-trigger input A for channel 2 of triple 3-input NOR gate, logic input range 0 V to VCC
4 2B input Schmitt-trigger input B for channel 2 of triple 3-input NOR gate, logic input range 0 V to VCC
5 2C input Schmitt-trigger input C for channel 2 of triple 3-input NOR gate, logic input range 0 V to VCC
6 2Y output Output Y for channel 2 NOR gate, capable of sourcing/sinking 7.8 mA with VOL ≤ 0.33 V and VOH ≥ 5.4 V at 6 V
7 GND power_in Ground, supply return reference voltage
8 3Y output Output Y for channel 3 NOR gate, capable of sourcing/sinking 7.8 mA with VOL ≤ 0.33 V and VOH ≥ 5.4 V at 6 V
9 3A input Schmitt-trigger input A for channel 3 of triple 3-input NOR gate, logic input range 0 V to VCC
10 3B input Schmitt-trigger input B for channel 3 of triple 3-input NOR gate, logic input range 0 V to VCC
11 3C input Schmitt-trigger input C for channel 3 of triple 3-input NOR gate, logic input range 0 V to VCC
12 1Y output Output Y for channel 1 NOR gate, capable of sourcing/sinking 7.8 mA with VOL ≤ 0.33 V and VOH ≥ 5.4 V at 6 V
13 1C input Schmitt-trigger input C for channel 1 of triple 3-input NOR gate, logic input range 0 V to VCC
14 VCC power_in Positive supply voltage, operating range 2 V to 6 V

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74HCS27PWR
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: sn74hcs27pwr-etched.step / sn74hcs27pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hcs27pwr.step / sn74hcs27pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (25 pp, sha256 b01d988783bf2ba0, retrieved 2026-09-24, 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