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Contents

README

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74LCX14MTCX

onsemi · Inverters · TSSOP-14

74LCX14MTCX from onsemi, 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 I0 input Schmitt trigger input to inverter 0, 5V tolerant (inputs tolerate up to 7V) and must not be left floating.
2 O0 output Inverted output of inverter 0, drives ±24 mA at VCC 3.0V-3.6V.
3 I1 input Schmitt trigger input to inverter 1, 5V tolerant (inputs tolerate up to 7V) and must not be left floating.
4 O1 output Inverted output of inverter 1, drives ±24 mA at VCC 3.0V-3.6V.
5 I2 input Schmitt trigger input to inverter 2, 5V tolerant (inputs tolerate up to 7V) and must not be left floating.
6 O2 output Inverted output of inverter 2, drives ±24 mA at VCC 3.0V-3.6V.
7 GND power_in Ground pin.
8 O3 output Inverted output of inverter 3, drives ±24 mA at VCC 3.0V-3.6V.
9 I3 input Schmitt trigger input to inverter 3, 5V tolerant (inputs tolerate up to 7V) and must not be left floating.
10 O4 output Inverted output of inverter 4, drives ±24 mA at VCC 3.0V-3.6V.
11 I4 input Schmitt trigger input to inverter 4, 5V tolerant (inputs tolerate up to 7V) and must not be left floating.
12 O5 output Inverted output of inverter 5, drives ±24 mA at VCC 3.0V-3.6V.
13 I5 input Schmitt trigger input to inverter 5, 5V tolerant (inputs tolerate up to 7V) and must not be left floating.
14 VCC power_in Supply voltage, 2.0V to 3.6V operating (2.3V-3.6V specified), absolute maximum 7.0V.

Key specifications

Parameter Value
Manufacturer onsemi
Package TSSOP-14
Category Logic
Pins 14

CAD (KiCad official)

  • Symbol: 74LCX14MTCX
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: 74lcx14mtcx-etched.step / 74lcx14mtcx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74lcx14mtcx.step / 74lcx14mtcx.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (11 pp, sha256 18ec8c01dd031eca, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+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