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MC74VHC1G125DFT1G

Public Made by Adom

by adom

onsemi Buffer/Driver/Transceiver, SOT-353. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MC74VHC1G125DFT1G

onsemi · Buffer/Driver/Transceiver · SOT-353

MC74VHC1G125DFT1G from onsemi, in a SOT-353. 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 OE input Output enable input: when low, Y follows A; when high, Y is forced to high-impedance (Z) per the function table.
2 A input Data input; inputs tolerate up to 5.5 V regardless of the VCC supply voltage.
3 GND power_in Ground reference pin.
4 Y tri_state Noninverting 3-state buffered output; sources/sinks 8 mA at 3.0 V and tolerates voltages up to VCC protection limits per maximum ratings.
5 VCC power_in Positive supply voltage, designed for 2.0 V to 5.5 V VCC operation.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOT-353
Category Logic ICs
Pins 5

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
DC Supply Voltage VCC 2 5.5 V 4
DC Input Voltage VIN 0 5.5 V 4
DC Output Voltage Active-Mode (High or Low State) VOUT 0 V max = VCC 4
DC Output Voltage Tri-State Mode VOUT 0 5.5 V Tri-State Mode (Note 1) 4
DC Output Voltage Power-Down Mode VOUT 0 5.5 V Power-Down Mode (VCC = 0 V) 4
Operating Temperature Range TA -55 125 °C 4
Input Rise and Fall Time tr, tf 0 20 ns/V VCC = 2.0 V 4
Input Rise and Fall Time tr, tf 0 10 ns/V VCC = 3.0 V to 3.6 V 4
Input Rise and Fall Time tr, tf 0 5 ns/V VCC = 4.5 V to 5.5 V 4
DC Supply Voltage VCC -0.5 6.5 V SC-74A, SC-88A, UDFN6, SOT-553, SOT-953 3
DC Input Voltage VIN -0.5 6.5 V SC-74A, SC-88A, UDFN6, SOT-553, SOT-953 3
DC Output Voltage Active-Mode (High or Low State) VOUT -0.5 V max = VCC + 0.5 3
DC Output Voltage Tri-State Mode (Note 1) VOUT -0.5 6.5 V SC-74A, SC-88A, UDFN6, SOT-553, SOT-953 3
DC Output Voltage Power-Down Mode (VCC = 0 V) VOUT -0.5 6.5 V SC-74A, SC-88A, UDFN6, SOT-553, SOT-953 3
DC Input Diode Current IIK -20 mA VIN < GND 3
DC Output Diode Current IOK -20 mA VOUT < GND 3
DC Output Source/Sink Current IOUT -25 25 mA 3
DC Supply Current per Supply Pin or Ground Pin ICC or IGND -50 50 mA 3
Storage Temperature Range TSTG -65 150 °C 3
Lead Temperature TL 260 °C 1 mm from case for 10 secs 3
Junction Temperature Under Bias TJ 150 °C 3
Thermal Resistance Junction-to-Ambient SC-88A θJA 377 °C/W SC-88A 3
Power Dissipation in Still Air SC-88A PD 332 mW SC-88A 3
High-Level Input Voltage VIH 1.5 V VCC = 2.0 V 5
High-Level Input Voltage VIH 2.1 V VCC = 3.0 V 5
High-Level Input Voltage VIH 3.15 V VCC = 4.5 V 5
High-Level Input Voltage VIH 3.85 V VCC = 5.5 V 5
Low-Level Input Voltage VIL 0.5 V VCC = 2.0 V 5
Low-Level Input Voltage VIL 0.9 V VCC = 3.0 V 5
Low-Level Input Voltage VIL 1.35 V VCC = 4.5 V 5
Low-Level Input Voltage VIL 1.65 V VCC = 5.5 V 5
High-Level Output Voltage VOH 1.9 V VCC = 2.0 V; VIN = VIH or VIL; IOH = −50 µA 5
High-Level Output Voltage VOH 2.9 V VCC = 3.0 V; VIN = VIH or VIL; IOH = −50 µA 5
High-Level Output Voltage VOH 4.4 V VCC = 4.5 V; VIN = VIH or VIL; IOH = −50 µA 5
High-Level Output Voltage VOH 2.34 V VCC = 3.0 V; VIN = VIH or VIL; IOH = −4 mA 5
High-Level Output Voltage VOH 3.66 V VCC = 4.5 V; VIN = VIH or VIL; IOH = −8 mA 5
Low-Level Output Voltage VOL 0.1 V VCC = 2.0 V; VIN = VIH or VIL; IOL = 50 µA 5
Low-Level Output Voltage VOL 0.52 V VCC = 3.0 V; VIN = VIH or VIL; IOL = 4 mA 5
Input Leakage Current IIN 1 µA VCC = 2.0 to 5.5 V; VIN = 5.5 V or GND 5
3-State Output Leakage Current IOZ 2.5 µA VCC = 5.5 V; VOUT = 0 V to 5.5 V 5
Power Off Leakage Current IOFF 10 µA VCC = 0 V; VIN = 5.5 V or VOUT = 5.5 V 5
Quiescent Supply Current ICC 40 µA VCC = 5.5 V; VIN = VCC or GND 5
Propagation Delay, A to Y tPLH, tPHL 4.5 12 ns CL = 15 pF; VCC = 3.0 to 3.6 V 7
Propagation Delay, A to Y tPLH, tPHL 6.4 16 ns CL = 50 pF; VCC = 3.0 to 3.6 V 7
Propagation Delay, A to Y tPLH, tPHL 3.5 8.5 ns CL = 15 pF; VCC = 4.5 to 5.5 V 7
Propagation Delay, A to Y tPLH, tPHL 4.5 10.5 ns CL = 50 pF; VCC = 4.5 to 5.5 V 7
Output Enable Time, OE to Y tPZL, tPZH 4.5 11.5 ns CL = 15 pF; VCC = 3.0 to 3.6 V 7
Output Enable Time, OE to Y tPZL, tPZH 6.4 15 ns CL = 50 pF; VCC = 3.0 to 3.6 V 7
Output Enable Time, OE to Y tPZL, tPZH 3.5 8.5 ns CL = 15 pF; VCC = 4.5 to 5.5 V 7
Output Enable Time, OE to Y tPZL, tPZH 4.5 10.5 ns CL = 50 pF; VCC = 4.5 to 5.5 V 7
Output Disable Time, OE to Y tPLZ, tPHZ 6.5 14.5 ns CL = 15 pF; VCC = 3.0 to 3.6 V 7
Output Disable Time, OE to Y tPLZ, tPHZ 8 18 ns CL = 50 pF; VCC = 3.0 to 3.6 V 7
Output Disable Time, OE to Y tPLZ, tPHZ 4.8 10 ns CL = 15 pF; VCC = 4.5 to 5.5 V 7
Output Disable Time, OE to Y tPLZ, tPHZ 7 12 ns CL = 50 pF; VCC = 4.5 to 5.5 V 7
Input Capacitance CIN 4 10 pF 7

CAD (KiCad official)

  • Symbol: MC74VHC1G125DFT1G
  • Footprint: Package_TO_SOT_SMD:SOT-353_SC-70-5
  • 3D model: SOT-353 (KiCad packages3D, STEP)
  • 3D model files: mc74vhc1g125dft1g-etched.step / mc74vhc1g125dft1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc74vhc1g125dft1g.step / mc74vhc1g125dft1g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (17 pp, sha256 a15e45f8c1c202da, retrieved 2026-10-26, tier: manufacturer)
  • 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