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U74HC02G
Public Made by Adomby adom
UTC(Unisonic Tech) Logic Gates, SOP-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
markdownU74HC02G
UTC(Unisonic Tech) · Logic Gates · SOP-14
U74HC02G from UTC(Unisonic Tech), 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 | 1Y | output | Output Y of NOR gate 1 (Y=A+B in positive logic), with output current limited to ±25mA absolute maximum. |
| 2 | 1A | input | Input A of NOR gate 1, with input leakage current limited to ±100nA maximum. |
| 3 | 1B | input | Input B of NOR gate 1, with input leakage current limited to ±100nA maximum. |
| 4 | 2Y | output | Output Y of NOR gate 2 (Y=A+B in positive logic), with output current limited to ±25mA absolute maximum. |
| 5 | 2A | input | Input A of NOR gate 2, with input leakage current limited to ±100nA maximum. |
| 6 | 2B | input | Input B of NOR gate 2, with input leakage current limited to ±100nA maximum. |
| 7 | GND | power_in | Ground reference for the device, 0V. |
| 8 | 3A | input | Input A of NOR gate 3, with input leakage current limited to ±100nA maximum. |
| 9 | 3B | input | Input B of NOR gate 3, with input leakage current limited to ±100nA maximum. |
| 10 | 3Y | output | Output Y of NOR gate 3 (Y=A+B in positive logic), with output current limited to ±25mA absolute maximum. |
| 11 | 4A | input | Input A of NOR gate 4, with input leakage current limited to ±100nA maximum. |
| 12 | 4B | input | Input B of NOR gate 4, with input leakage current limited to ±100nA maximum. |
| 13 | 4Y | output | Output Y of NOR gate 4 (Y=A+B in positive logic), with output current limited to ±25mA absolute maximum. |
| 14 | VCC | power_in | Positive supply, 2V to 6V recommended operating range, with absolute maximum rating of 7V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UTC(Unisonic Tech) |
| Package | SOP-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 | 3 | ||
| Input Clamp Current | IIK | -20 | 20 | mA | 3 | ||
| Output Clamp Current | IOK | -20 | 20 | mA | 3 | ||
| Output Current | IOUT | -25 | 25 | mA | 3 | ||
| VCC or GND Current | ICC | -50 | 50 | mA | 3 | ||
| Storage Temperature | TSTG | -65 | 150 | °С | 3 | ||
| Junction to Ambient (SOP-14) | θJA | 86 | °C/W | 3 | |||
| Supply Voltage | VCC | 2 | 6 | V | 3 | ||
| Input Voltage | VIN | 0 | V | max is VCC | 3 | ||
| Output Voltage | VOUT | 0 | V | max is VCC | 3 | ||
| Input Transition Rise or Fall Rate | tR, tF | 1000 | ns | VCC=2V | 3 | ||
| Input Transition Rise or Fall Rate | tR, tF | 500 | ns | VCC=4.5V | 3 | ||
| Input Transition Rise or Fall Rate | tR, tF | 400 | ns | VCC=6V | 3 | ||
| Operating Temperature | TA | -40 | 125 | °С | 3 | ||
| High-Level Input Voltage | VIH | 1.5 | V | VCC=2V | 3 | ||
| High-Level Input Voltage | VIH | 3.15 | V | VCC=4.5V | 3 | ||
| High-Level Input Voltage | VIH | 4.2 | V | VCC=6V | 3 | ||
| Low-Level Input Voltage | VIL | 0.5 | V | VCC=2V | 3 | ||
| Low-Level Input Voltage | VIL | 1.35 | V | VCC=4.5V | 3 | ||
| Low-Level Input Voltage | VIL | 1.8 | V | VCC=6V | 3 | ||
| High-Level Output Voltage | VOH | 1.9 | 1.998 | V | VCC=2V, IOH 20µA, VIN= VIH or VIL | 3 | |
| High-Level Output Voltage | VOH | 4.4 | 4.499 | V | VCC=4.5V, IOH=20µA | 3 | |
| High-Level Output Voltage | VOH | 5.9 | 5.999 | V | VCC=6V, IOH=20µA | 3 | |
| High-Level Output Voltage | VOH | 3.98 | 4.3 | V | VCC=4.5V, IOH=4mA | 3 | |
| High-Level Output Voltage | VOH | 5.48 | 5.8 | V | VCC=6V, IOH=5.2mA | 3 | |
| Low-Level Output Voltage | VOL | 0.002 | 0.1 | V | VCC=2V, IOL=20µA | 3 | |
| Low-Level Output Voltage | VOL | 0.001 | 0.1 | V | VCC=4.5V, IOL=20µA | 3 | |
| Low-Level Output Voltage | VOL | 0.17 | 0.26 | V | VCC=4.5V, IOL=4mA | 3 | |
| Low-Level Output Voltage | VOL | 0.15 | 0.26 | V | VCC=6V, IOL=5.2mA | 3 | |
| Input Leakage Current | II(LEAK) | -100 | 0.1 | 100 | nA | VCC=6V, VIN=VCC or GND | 3 |
| Quiescent Supply Current | IQ | 2 | µA | VCC=6V, VIN=VCC or GND, IOUT=0 | 3 | ||
| Input Capacitance | CIN | 3 | 10 | pF | VCC=2V~6V | 3 | |
| Propagation delay from Input(A or B) to Output(Y) | tPLH, tPHL | 45 | 90 | ns | VCC=2V, CL=50pF | 4 | |
| Propagation delay from Input(A or B) to Output(Y) | tPLH, tPHL | 9 | 18 | ns | VCC=4.5V, CL=50pF | 4 | |
| Propagation delay from Input(A or B) to Output(Y) | tPLH, tPHL | 8 | 15 | ns | VCC=6V, CL=50pF | 4 | |
| Output Transition Time | tT | 38 | 75 | ns | VCC=2V | 4 | |
| Output Transition Time | tT | 8 | 15 | ns | VCC=4.5V | 4 | |
| Output Transition Time | tT | 6 | 13 | ns | VCC=6V | 4 | |
| Power Dissipation Capacitance | CPD | 22 | pF | No Load | 4 |
CAD (KiCad official)
- Symbol:
U74HC02G - Footprint:
Package_SO:SOIC-14_3.9x8.7mm_P1.27mm - 3D model: SOP-14 (KiCad packages3D, STEP)
- 3D model files:
u74hc02g-etched.step/u74hc02g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);u74hc02g.step/u74hc02g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UTC(Unisonic Tech) datasheet (5 pp, sha256
6273e83a01c02b64, retrieved 2026-10-27, tier: manufacturer) - 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).