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Contents

README

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MC74VHC1G32DBVT1G

onsemi · Gates · SC-74A-5

MC74VHC1G32DBVT1G from onsemi, in a SC-74A-5. 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 B input Gate input B, tolerant to 5.5 V regardless of supply voltage (VIN 0 to 5.5 V).
2 A input Gate input A, tolerant to 5.5 V regardless of supply voltage (VIN 0 to 5.5 V).
3 GND power_in Ground pin (0 V reference).
4 Y output OR gate output Y = A OR B, sources/sinks 8 mA at 3.0 V and tolerates up to 5.5 V in power-down mode.
5 VCC power_in Positive supply voltage, 2.0 V to 5.5 V recommended operating range.

Key specifications

Parameter Value
Manufacturer onsemi
Package SC-74A-5
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 -0.5 6.5 V SC-74A 3
DC Input Voltage VIN -0.5 6.5 V SC-74A 3
DC Output Voltage Active-Mode VOUT -0.5 V High or Low State; max printed as VCC + 0.5 3
DC Output Voltage Tri-State / Power-Down VOUT -0.5 6.5 V Tri-State Mode or Power-Down Mode (VCC = 0 V), SC-74A 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 θJA 320 °C/W SC-74A, still air, minimum pad spacing FR4 board (Note 2) 3
Power Dissipation in Still Air PD 390 mW SC-74A 3
ESD Withstand Voltage Human Body Model VESD 2000 V HBM 3
ESD Withstand Voltage Charged Device Model VESD 1000 V CDM 3
Latchup Performance ILatchup 100 mA Tested to EIA/JESD78 Class II 3
Positive DC Supply Voltage VCC 2 5.5 V 4
DC Input Voltage VIN 0 5.5 V 4
DC Output Voltage Active-Mode VOUT 0 V High or Low State; max printed as VCC 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
High-Level Input Voltage VIH 1.5 V VCC = 2.0 V; same min in all temperature columns 4
High-Level Input Voltage VIH 2.1 V VCC = 3.0 V; same min in all temperature columns 4
High-Level Input Voltage VIH 3.15 V VCC = 4.5 V; same min in all temperature columns 4
High-Level Input Voltage VIH 3.85 V VCC = 5.5 V; same min in all temperature columns 4
Low-Level Input Voltage VIL 0.5 V VCC = 2.0 V; same max in all temperature columns 4
Low-Level Input Voltage VIL 0.9 V VCC = 3.0 V; same max in all temperature columns 4
Low-Level Input Voltage VIL 1.35 V VCC = 4.5 V; same max in all temperature columns 4
Low-Level Input Voltage VIL 1.65 V VCC = 5.5 V; same max in all temperature columns 4
High-Level Output Voltage VOH 1.9 2 V VIN = VIH or VIL, IOH = -50 µA, VCC = 2.0 V, TA = 25°C 4
High-Level Output Voltage VOH 2.9 3 V VIN = VIH or VIL, IOH = -50 µA, VCC = 3.0 V, TA = 25°C 4
High-Level Output Voltage VOH 4.4 4.5 V VIN = VIH or VIL, IOH = -50 µA, VCC = 4.5 V, TA = 25°C 4
High-Level Output Voltage VOH 2.58 V VIN = VIH or VIL, IOH = -4 mA, VCC = 3.0 V, TA = 25°C 4
High-Level Output Voltage VOH 3.94 V VIN = VIH or VIL, IOH = -8 mA, VCC = 4.5 V, TA = 25°C 4
High-Level Output Voltage VOH 2.34 V VIN = VIH or VIL, IOH = -4 mA, VCC = 3.0 V, -55°C ≤ TA ≤ 125°C 4
High-Level Output Voltage VOH 3.66 V VIN = VIH or VIL, IOH = -8 mA, VCC = 4.5 V, -55°C ≤ TA ≤ 125°C 4
Low-Level Output Voltage VOL 0 0.1 V VIN = VIH or VIL, IOL = 50 µA, VCC = 2.0 V, TA = 25°C 4
Low-Level Output Voltage VOL 0.36 V VIN = VIH or VIL, IOL = 4 mA, VCC = 3.0 V, TA = 25°C 4
Low-Level Output Voltage VOL 0.52 V VIN = VIH or VIL, IOL = 4 mA, VCC = 3.0 V, -55°C ≤ TA ≤ 125°C 4
Input Leakage Current IIN -0.1 0.1 µA VIN = 5.5 V or GND, VCC = 2.0 to 5.5 V, TA = 25°C 4
Input Leakage Current IIN 1 µA VIN = 5.5 V or GND, VCC = 2.0 to 5.5 V, -55°C ≤ TA ≤ 125°C 4
Power Off Leakage Current IOFF 1 µA VIN = 5.5 V or VOUT = 5.5 V, VCC = 0, TA = 25°C 4
Power Off Leakage Current IOFF 10 µA VIN = 5.5 V or VOUT = 5.5 V, VCC = 0, -55°C ≤ TA ≤ 125°C 4
Quiescent Supply Current ICC 1 µA VIN = VCC or GND, VCC = 5.5 V, TA = 25°C 4
Quiescent Supply Current ICC 40 µA VIN = VCC or GND, VCC = 5.5 V, -55°C ≤ TA ≤ 125°C 4
Propagation Delay, A to Y tPLH, tPHL 4.8 7.9 ns CL = 15 pF, VCC = 3.0 to 3.6 V, TA = 25°C 5
Propagation Delay, A to Y tPLH, tPHL 6.1 11.4 ns CL = 50 pF, VCC = 3.0 to 3.6 V, TA = 25°C 5
Propagation Delay, A to Y tPLH, tPHL 3.7 5.5 ns CL = 15 pF, VCC = 4.5 to 5.5 V, TA = 25°C 5
Propagation Delay, A to Y tPLH, tPHL 4.4 7.5 ns CL = 50 pF, VCC = 4.5 to 5.5 V, TA = 25°C 5
Input Capacitance CIN 4 10 pF 5

CAD (KiCad official)

  • Symbol: MC74VHC1G32DBVT1G
  • Footprint: Package_TO_SOT_SMD:SC-74A-5_1.55x2.9mm_P0.95mm
  • 3D model: SC-74A-5 (KiCad packages3D, STEP)
  • 3D model files: mc74vhc1g32dbvt1g-etched.step / mc74vhc1g32dbvt1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc74vhc1g32dbvt1g.step / mc74vhc1g32dbvt1g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (15 pp, sha256 2af29c6a8dcfb043, retrieved 2026-10-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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