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U74HC14G-P14-R

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UTC Unisonic Tech Inverters, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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U74HC14G-P14-R

UTC Unisonic Tech · Inverters · TSSOP-14

U74HC14G-P14-R from UTC Unisonic Tech, 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 Input of Schmitt-trigger inverter 1; input voltage VIN is specified from 0 to VCC.
2 1Y output Inverting Schmitt-trigger output of gate 1, rated for a continuous output current of ±25 mA with VOUT from 0 to VCC.
3 2A input Input of Schmitt-trigger inverter 2; input voltage VIN is specified from 0 to VCC.
4 2Y output Inverting Schmitt-trigger output of gate 2, rated for a continuous output current of ±25 mA with VOUT from 0 to VCC.
5 3A input Input of Schmitt-trigger inverter 3; input voltage VIN is specified from 0 to VCC.
6 3Y output Inverting Schmitt-trigger output of gate 3, rated for a continuous output current of ±25 mA with VOUT from 0 to VCC.
7 GND power_in Ground reference for the device; VCC or ground current is rated at ±50 mA maximum.
8 4Y output Inverting Schmitt-trigger output of gate 4, rated for a continuous output current of ±25 mA with VOUT from 0 to VCC.
9 4A input Input of Schmitt-trigger inverter 4; input voltage VIN is specified from 0 to VCC.
10 5Y output Inverting Schmitt-trigger output of gate 5, rated for a continuous output current of ±25 mA with VOUT from 0 to VCC.
11 5A input Input of Schmitt-trigger inverter 5; input voltage VIN is specified from 0 to VCC.
12 6Y output Inverting Schmitt-trigger output of gate 6, rated for a continuous output current of ±25 mA with VOUT from 0 to VCC.
13 6A input Input of Schmitt-trigger inverter 6; input voltage VIN is specified from 0 to VCC.
14 VCC power_in Positive supply; recommended operating range is 2 V to 6 V, with absolute maximum rating of -0.5 V to 7 V.

Key specifications

Parameter Value
Manufacturer UTC Unisonic Tech
Package TSSOP-14
Category Logic
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage VCC -0.5 7 V 4
Input Clamp Current IIK -20 20 mA For VIN < 0 or VIN > VCC 4
Output Clamp Current IOK -20 20 mA For VOUT < 0 or VOUT > VCC 4
Continuous Output Current IOUT -25 25 mA For VOUT = 0 to VCC 4
VCC or Ground Current ICC -50 50 mA 4
Storage Temperature TSTG -65 150 °C 4
Supply Voltage Range HC Types VCC 2 5 6 V HC Types 4
Input or Output Voltage VIN, VOUT 0 V 4
Operating Temperature TA -40 85 °C 4
Input Switch Point VIH VIH 0.7 1.2 1.5 VCC=2V 4
Input Switch Point VIH VIH 1.55 2.5 3.15 VCC=4.5V 4
Input Switch Point VIH VIH 2.1 3.3 4.2 VCC=6V 4
Input Switch Point VIL VIL 0.3 0.6 1 V VCC=2V 4
Input Switch Point VIL VIL 0.9 1.6 2.45 V VCC=4.5V 4
Input Switch Point VIL VIL 1.2 2 3.2 V VCC=6V 4
Input Switch Point VTH VTH 0.2 0.6 1.2 V VCC=2V 4
Input Switch Point VTH VTH 0.4 0.9 2.1 V VCC=4.5V 4
Input Switch Point VTH VTH 0.5 1.3 2.5 V VCC=6V 4
High Level Output Voltage CMOS Loads VOH 1.9 V VIN=VIH or VIL, VCC=2V, IOH=-0.02mA 4
High Level Output Voltage CMOS Loads VOH 4.4 V VIN=VIH or VIL, VCC=4.5V, IOH=-0.02mA 4
High Level Output Voltage CMOS Loads VOH 5.9 V VIN=VIH or VIL, VCC=6V, IOH=-0.02mA 4
High Level Output Voltage TTL Loads VOH 3.98 V VIN=VIH or VIL, VCC=4.5V, IOH=-4 mA 4
High Level Output Voltage TTL Loads VOH 5.48 V VIN=VIH or VIL, VCC=6V, IOH=-5.2 mA 4
Low Level Output Voltage CMOS Loads VOL 0.1 V VIN=VIH or VIL, VCC=2V, IOL=0.02 mA 4
Low Level Output Voltage TTL Loads VOL 0.26 V VIN=VIH or VIL, VCC=4.5V, IOL=4 mA 4
Input Leakage Current IIN -0.1 0.1 µA VIN=VCC and GND, VCC=6V 4
Quiescent Device Current IQ 2 µA VIN=VCC or GND, VCC=6V, IOUT=0 4
Input Capacitance CIN 3 10 pF 5
Propagation Delay, A to Y tPLH, tPHL 55 125 ns VCC=2V, CL=50pF 5
Propagation Delay, A to Y tPLH, tPHL 12 25 ns VCC=4.5V, CL=50pF 5
Propagation Delay, A to Y tPLH, tPHL 11 21 ns VCC=6V, CL=50pF 5
Output Transition Times tTLH, tTHL 38 75 ns VCC=2V, CL=50pF 5
Output Transition Times tTLH, tTHL 8 15 ns VCC=4.5V, CL=50pF 5
Output Transition Times tTLH, tTHL 6 13 ns VCC=6V, CL=50pF 5
Thermal Resistance Junction Ambient TSSOP-14 θJA 113 °C/W TSSOP-14 4

CAD (KiCad official)

  • Symbol: U74HC14G-P14-R
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: u74hc14g-p14-r-etched.step / u74hc14g-p14-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); u74hc14g-p14-r.step / u74hc14g-p14-r.glb are the bare package body.

Provenance

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

  • Datasheet: UTC Unisonic Tech datasheet (6 pp, sha256 f827e55c5108c8c2, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (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