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U74HC14G-P14-R
Public Made by Adomby adom
UTC Unisonic Tech Inverters, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownU74HC14G-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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);u74hc14g-p14-r.step/u74hc14g-p14-r.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).