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U74AC04G-S14-R

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

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U74AC04G-S14-R

UTC Unisonic Tech · Inverters · SOP-14

U74AC04G-S14-R 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 1A input Inverter 1 input; output 1Y is the logical inverse of this input.
2 1Y output Inverter 1 output, driven low when 1A is high and high when 1A is low.
3 2A input Inverter 2 input; output 2Y is the logical inverse of this input.
4 2Y output Inverter 2 output, driven low when 2A is high and high when 2A is low.
5 3A input Inverter 3 input; output 3Y is the logical inverse of this input.
6 3Y output Inverter 3 output, driven low when 3A is high and high when 3A is low.
7 GND power_in Ground (0 V) reference for the device.
8 4Y output Inverter 4 output, driven low when 4A is high and high when 4A is low.
9 4A input Inverter 4 input; output 4Y is the logical inverse of this input.
10 5Y output Inverter 5 output, driven low when 5A is high and high when 5A is low.
11 5A input Inverter 5 input; output 5Y is the logical inverse of this input.
12 6Y output Inverter 6 output, driven low when 6A is high and high when 6A is low.
13 6A input Inverter 6 input; output 6Y is the logical inverse of this input.
14 VCC power_in Positive supply voltage, recommended operating range 2 V to 6 V (absolute maximum 7 V).

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 Voltage VIN -0.5 V 3
Output Voltage VOUT -0.5 V 3
VCC or GND Current ICC -200 200 mA 3
Continuous Output Current IOUT -50 50 mA VOUT=0 to VCC 3
Input Clamp Current IIK -20 20 mA VIN<0 or VIN >VCC 3
Output Clamp Current IOK -20 20 mA VOUT<0 or VOUT >VCC 3
Total Power Dissipation PD 0.5 W TA=55°C 3
Storage Temperature TSTG -65 150 °C 3
Supply Voltage VCC 2 6 V 3
Input Voltage VIN 0 V 3
Output Voltage VOUT 0 V 3
Operating Temperature TA -40 85 °C 3
High-Level Output Current IOH -12 mA VCC=3V 3
High-Level Output Current IOH -24 mA VCC=4.5V 3
Low-Level Output Current IOL 12 mA VCC=3V 3
Low-Level Output Current IOL 24 mA VCC=4.5V 3
Input Transition Rise or Fall Rate tR / tF 0 8 ns/V 3
High-level Input Voltage VIH 2.1 V VCC=3V 3
High-level Input Voltage VIH 3.15 V VCC=4.5V 3
High-level Input Voltage VIH 3.85 V VCC=5.5V 3
Low-level Input Voltage VIL 0.9 V VCC=3V 3
Low-level Input Voltage VIL 1.35 V VCC=4.5V 3
Low-level Input Voltage VIL 1.65 V VCC=5.5V 3
High-Level Output Voltage VOH 2.9 2.99 V IOH=-50μA VCC=3V 3
High-Level Output Voltage VOH 4.4 4.49 V IOH=-50μA VCC=4.5V 3
High-Level Output Voltage VOH 5.4 5.49 V IOH=-50μA VCC=5.5V 3
High-Level Output Voltage VOH 2.56 V IOH=-12mA VCC=3V 3
High-Level Output Voltage VOH 3.86 V IOH=-24mA VCC=4.5V 3
High-Level Output Voltage VOH 4.86 V IOH=-24mA VCC=5.5V 3
Low-Level Output Voltage VOL 0.1 V IOL=50μA VCC=3V 3
Low-Level Output Voltage VOL 0.36 V IOL=12mA VCC=3V 3
Input Leakage Current II(LEAK) -0.1 0.1 μA VIN= VCC or GND, VCC=5.5V 3
Quiescent Supply Current IQ 2 μA VIN= VCC or GND, IOUT=0; VCC=5.5V 3
Input Capacitance CIN 2.8 pF VIN= VCC or GND 3
Propagation delay from input (nA) to output (nY) tPLH 1.5 4.5 9 ns VCC=3.3±0.3V, CL=50pF, RL=500Ω 4
Propagation delay from input (nA) to output (nY) tPHL 1.5 4.5 8.5 ns VCC=3.3±0.3V, CL=50pF, RL=500Ω 4
Propagation delay from input (nA) to output (nY) tPLH 1.5 4 7 ns VCC=5±0.5V, CL=50pF, RL=500Ω 4
Propagation delay from input (nA) to output (nY) tPHL 1.5 3.5 6.5 ns VCC=5±0.5V, CL=50pF, RL=500Ω 4
Power Dissipation Capacitance CPD 45 pF CL=50pF, f=10MHZ 4

CAD (KiCad official)

  • Symbol: U74AC04G-S14-R
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOP-14 (KiCad packages3D, STEP)
  • 3D model files: u74ac04g-s14-r-etched.step / u74ac04g-s14-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); u74ac04g-s14-r.step / u74ac04g-s14-r.glb are the bare package body.

Provenance

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

  • Datasheet: UTC Unisonic Tech datasheet (5 pp, sha256 c81e2f6751dda88a, retrieved 2026-10-18, 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