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Contents

README

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SN74HCT14QPWRQ1

Texas Instruments · Inverters · TSSOP-14

SN74HCT14QPWRQ1 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 Inverter 1 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused.
2 1Y output Inverter 1 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V.
3 2A input Inverter 2 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused.
4 2Y output Inverter 2 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V.
5 3A input Inverter 3 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused.
6 3Y output Inverter 3 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V.
7 GND power_in Ground pin; continuous current through VCC or GND is limited to ±50 mA.
8 4Y output Inverter 4 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V.
9 4A input Inverter 4 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused.
10 5Y output Inverter 5 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V.
11 5A input Inverter 5 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused.
12 6Y output Inverter 6 output, drives up to 10 LSTTL loads, ±4 mA output drive at 5 V.
13 6A input Inverter 6 Schmitt-trigger input, TTL-voltage compatible, input voltage 0 to VCC, max input current 1 µA; hold at VCC or GND if unused.
14 VCC power_in Supply voltage pin, recommended operating range 4.5 V to 5.5 V (absolute maximum 7 V).

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74HCT14QPWRQ1
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: sn74hct14qpwrq1-etched.step / sn74hct14qpwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hct14qpwrq1.step / sn74hct14qpwrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (12 pp, sha256 d5ded165a6a0c260, retrieved 2026-10-03, tier: lcsc)
  • 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