component

SN74HC14

Public Made by Adom

by adom

TI hex Schmitt-trigger inverter, SOIC-14. 6 inverters, ~0.9 V hysteresis, 2-6 V. Datasheet-verified.

componentlogicschmitt-triggerinverter74hcsoic-14texas-instruments
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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
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docs sn74hc14: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray
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SN74HC14

Texas Instruments · Hex Schmitt-trigger inverter · SOIC-14

Hex Schmitt-trigger inverter in a SOIC-14 package: six independent inverters, each Y = /A, with Schmitt-trigger inputs that add hysteresis (typ 0.9 V at VCC = 4.5 V). The hysteresis cleans up slow, noisy, or bouncing edges, so it is the default for debouncing, squaring up sensor signals, simple RC oscillators, and edge conditioning. Runs 2-6 V.

Pinout

Pin Name Type Function
1 1A input Channel 1 Schmitt-trigger input (inverter A1). CMOS input, VIH/VIL set by VT+/VT- hysteresis (typ VT+ 2.5 V, VT- 1.6 V @ Vcc=4.5 V).
2 1Y output Channel 1 inverter output (Y = /1A). CMOS push-pull, IOH/IOL up to 5.2 mA @ Vcc=6 V.
3 2A input Channel 2 Schmitt-trigger input (inverter A2).
4 2Y output Channel 2 inverter output (Y = /2A). CMOS push-pull.
5 3A input Channel 3 Schmitt-trigger input (inverter A3).
6 3Y output Channel 3 inverter output (Y = /3A).
7 GND power_in Ground reference (0 V).
8 4Y output Channel 4 inverter output (Y = /4A).
9 4A input Channel 4 Schmitt-trigger input (inverter A4).
10 5Y output Channel 5 inverter output (Y = /5A).
11 5A input Channel 5 Schmitt-trigger input (inverter A5).
12 6Y output Channel 6 inverter output (Y = /6A).
13 6A input Channel 6 Schmitt-trigger input (inverter A6).
14 VCC power_in Positive supply. Recommended 2 V to 6 V (nom 5 V); absolute max 7 V. Bypass with 100 nF to GND close to the pin.

Key specifications

Parameter Value
Type Hex Schmitt-trigger inverter
Function Y = /A (6 independent)
Hysteresis ~0.9 V typ @ VCC = 4.5 V
Supply voltage 2-6 V
Logic family HC (high-speed CMOS)
Channels 6 inverters
Package SOIC-14
Body (L×W×H) 8.65 × 3.9 × 1.75 mm

Ordering variants

Same part, different packaging or reel option.

  • SN74HC14D (SOIC-14, tube)
  • SN74HC14DR (SOIC-14, tape & reel)

CAD (KiCad official)

  • Symbol: 74xx:74HC14
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D)
  • 3D model files: sn74hc14-etched.step / sn74hc14-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hc14.step / sn74hc14.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (38 pp, sha256 777ed9379ae69f81, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude) — every pin and dimension is cited to a datasheet page; refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF