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Contents

README

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74HC14-TD

TDSEMIC · Inverters · SOP-14

74HC14-TD from TDSEMIC, in a SOP-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 Data input of Schmitt-trigger inverter 1 (drives output 1Y on pin 2).
2 1Y output Data output of Schmitt-trigger inverter 1, the inverse of 1A.
3 2A input Data input of Schmitt-trigger inverter 2 (drives output 2Y on pin 4).
4 2Y output Data output of Schmitt-trigger inverter 2, the inverse of 2A.
5 3A input Data input of Schmitt-trigger inverter 3 (drives output 3Y on pin 6).
6 3Y output Data output of Schmitt-trigger inverter 3, the inverse of 3A.
7 GND power_in System ground (0 V reference).
8 4Y output Data output of Schmitt-trigger inverter 4, the inverse of 4A.
9 4A input Data input of Schmitt-trigger inverter 4 (drives output 4Y on pin 8).
10 5Y output Data output of Schmitt-trigger inverter 5, the inverse of 5A.
11 5A input Data input of Schmitt-trigger inverter 5 (drives output 5Y on pin 10).
12 6Y output Data output of Schmitt-trigger inverter 6, the inverse of 6A.
13 6A input Data input of Schmitt-trigger inverter 6 (drives output 6Y on pin 12).
14 VCC power_in Positive supply; recommended 2.0 V to 6.0 V (typ. 5.0 V), absolute maximum +7 V.

Key specifications

Parameter Value
Manufacturer TDSEMIC
Package SOP-14
Category Logic
Pins 14

CAD (KiCad official)

  • Symbol: 74HC14-TD
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOP-14 (KiCad packages3D, STEP)
  • 3D model files: 74hc14-td-etched.step / 74hc14-td-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74hc14-td.step / 74hc14-td.glb are the bare package body.

Provenance

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

  • Datasheet: TDSEMIC datasheet (9 pp, sha256 728c6915fd1c08bb, retrieved 2026-10-09, 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 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-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