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Contents

README

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SN74HC14QDRQ1

Texas Instruments · Inverters · SOIC-14

SN74HC14QDRQ1 from Texas Instruments, in a SOIC-14. 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 1A input Schmitt-trigger input for inverter 1 with positive and negative clamping diodes; accepts input voltage range 0V to VCC.
2 1Y output Output for inverter 1 with positive and negative clamping diodes; provides 0V to VCC output with ±20mA clamp current.
3 2A input Schmitt-trigger input for inverter 2 with positive and negative clamping diodes; accepts input voltage range 0V to VCC.
4 2Y output Output for inverter 2 with positive and negative clamping diodes; provides 0V to VCC output with ±20mA clamp current.
5 3A input Schmitt-trigger input for inverter 3 with positive and negative clamping diodes; accepts input voltage range 0V to VCC.
6 3Y output Output for inverter 3 with positive and negative clamping diodes; provides 0V to VCC output with ±20mA clamp current.
7 GND power_in Ground (0V reference) for device power supply; handles continuous current up to ±50mA.
8 4Y output Output for inverter 4 with positive and negative clamping diodes; provides 0V to VCC output with ±20mA clamp current.
9 4A input Schmitt-trigger input for inverter 4 with positive and negative clamping diodes; accepts input voltage range 0V to VCC.
10 5Y output Output for inverter 5 with positive and negative clamping diodes; provides 0V to VCC output with ±20mA clamp current.
11 5A input Schmitt-trigger input for inverter 5 with positive and negative clamping diodes; accepts input voltage range 0V to VCC.
12 6Y output Output for inverter 6 with positive and negative clamping diodes; provides 0V to VCC output with ±20mA clamp current.
13 6A input Schmitt-trigger input for inverter 6 with positive and negative clamping diodes; accepts input voltage range 0V to VCC.
14 VCC power_in Positive power supply; recommended operating range 2V to 6V, absolute maximum rating 7V.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74HC14QDRQ1
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: sn74hc14qdrq1-etched.step / sn74hc14qdrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hc14qdrq1.step / sn74hc14qdrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (23 pp, sha256 a9f3766260e502f2, retrieved 2026-09-23, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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