component
MC74VHC1GT50DFT1G-Q
Public Made by Adomby adom
onsemi Buffers, Drivers, Receivers, Transceivers, SOT-553. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
MC74VHC1GT50DFT1G-Q
onsemi · Buffers, Drivers, Receivers, Transceivers · SOT-553
MC74VHC1GT50DFT1G-Q from onsemi, in a SOT-553. 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 | NC | unconnected | No connect pin with no internal function stated in the datasheet. |
| 2 | A | input | Buffer input with TTL-level thresholds on the GT50 (VIH min 2.0 V at VCC 4.5 to 5.5 V), tolerant to 5.5 V regardless of supply voltage. |
| 3 | GND | power_in | Ground pin (0 V reference) for the supply. |
| 4 | Y | output | Buffer output that follows input A and sources or sinks 8 mA at 3.0 V, with a 5.5 V maximum output voltage in power-down mode. |
| 5 | VCC | power_in | Positive supply pin, specified for 2.0 V to 5.5 V operation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOT-553 |
| Category | Logic |
| 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 |
|---|---|---|---|---|---|---|---|
| High-Level Input Voltage | VIH | 1 | V | VCC = 2.0 V; same min in all temperature columns | 5 | ||
| High-Level Input Voltage | VIH | 1.4 | V | VCC = 3.0 V; same min in all temperature columns | 5 | ||
| High-Level Input Voltage | VIH | 2 | V | VCC = 4.5 V; same min in all temperature columns | 5 | ||
| Low-Level Input Voltage | VIL | 0.28 | V | VCC = 2.0 V; same max in all temperature columns | 5 | ||
| Low-Level Input Voltage | VIL | 0.45 | V | VCC = 3.0 V; same max in all temperature columns | 5 | ||
| Low-Level Input Voltage | VIL | 0.8 | V | VCC = 4.5 V; same max in all temperature columns | 5 | ||
| High-Level Output Voltage | VOH | 1.9 | 2 | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 2.0 V, TA = 25°C | 5 | |
| High-Level Output Voltage | VOH | 2.9 | 3 | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 3.0 V, TA = 25°C | 5 | |
| High-Level Output Voltage | VOH | 4.4 | 4.5 | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 4.5 V, TA = 25°C | 5 | |
| High-Level Output Voltage | VOH | 2.58 | V | VIN = VIH or VIL, IOH = -4 mA, VCC = 3.0 V, TA = 25°C | 5 | ||
| High-Level Output Voltage | VOH | 3.94 | V | VIN = VIH or VIL, IOH = -8 mA, VCC = 4.5 V, TA = 25°C | 5 | ||
| High-Level Output Voltage | VOH | 1.9 | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 2.0 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| High-Level Output Voltage | VOH | 2.9 | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 3.0 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| High-Level Output Voltage | VOH | 4.4 | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 4.5 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| High-Level Output Voltage | VOH | 2.34 | V | VIN = VIH or VIL, IOH = -4 mA, VCC = 3.0 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| High-Level Output Voltage | VOH | 3.66 | V | VIN = VIH or VIL, IOH = -8 mA, VCC = 4.5 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| Low-Level Output Voltage | VOL | 0 | 0.1 | V | VIN = VIH or VIL, IOL = 50 µA, VCC = 2.0 V, TA = 25°C | 5 | |
| Low-Level Output Voltage | VOL | 0.36 | V | VIN = VIH or VIL, IOL = 4 mA, VCC = 3.0 V, TA = 25°C | 5 | ||
| Low-Level Output Voltage | VOL | 0.1 | V | VIN = VIH or VIL, IOL = 50 µA, VCC = 2.0 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| Low-Level Output Voltage | VOL | 0.52 | V | VIN = VIH or VIL, IOL = 4 mA, VCC = 3.0 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| 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 | 5 | |
| Input Leakage Current | IIN | 1 | µA | VIN = 5.5 V or GND, VCC = 2.0 to 5.5 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| Power Off Leakage Current | IOFF | 1 | µA | VIN = 5.5 V or VOUT = 5.5 V, VCC = 0 V, TA = 25°C | 5 | ||
| Power Off Leakage Current | IOFF | 10 | µA | VIN = 5.5 V or VOUT = 5.5 V, VCC = 0 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| Quiescent Supply Current | ICC | 1 | µA | VIN = VCC or GND, VCC = 5.5 V, TA = 25°C | 5 | ||
| Quiescent Supply Current | ICC | 40 | µA | VIN = VCC or GND, VCC = 5.5 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| Increase in Quiescent Supply Current per Input Pin | ICCT | 1.35 | mA | One Input: VIN = 3.4 V; Other Input at VCC or GND, VCC = 5.5 V, TA = 25°C | 5 | ||
| Increase in Quiescent Supply Current per Input Pin | ICCT | 1.65 | mA | One Input: VIN = 3.4 V; Other Input at VCC or GND, VCC = 5.5 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| Propagation Delay, A to Y | tPLH, tPHL | 4.5 | 7.1 | ns | CL = 15 pF, VCC = 3.0 to 3.6 V, TA = 25°C | 5 | |
| Propagation Delay, A to Y | tPLH, tPHL | 6.4 | 10.6 | ns | CL = 50 pF, VCC = 3.0 to 3.6 V, TA = 25°C | 5 | |
| Propagation Delay, A to Y | tPLH, tPHL | 3.5 | 5.5 | ns | CL = 15 pF, VCC = 4.5 to 5.5 V, TA = 25°C | 5 | |
| Propagation Delay, A to Y | tPLH, tPHL | 4.5 | 7.5 | ns | CL = 50 pF, VCC = 4.5 to 5.5 V, TA = 25°C | 5 | |
| Propagation Delay, A to Y | tPLH, tPHL | 10 | ns | CL = 15 pF, VCC = 3.0 to 3.6 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| Propagation Delay, A to Y | tPLH, tPHL | 14.5 | ns | CL = 50 pF, VCC = 3.0 to 3.6 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| Propagation Delay, A to Y | tPLH, tPHL | 8 | ns | CL = 15 pF, VCC = 4.5 to 5.5 V, -55°C ≤ TA ≤ 125°C | 5 | ||
| Input Capacitance | CIN | 4 | 10 | pF | TA = 25°C | 5 | |
| Positive DC Supply Voltage | VCC | 2 | 5.5 | V | 4 | ||
| DC Input Voltage | VIN | 0 | 5.5 | V | 4 | ||
| Operating Temperature Range | TA | -55 | 125 | °C | 4 | ||
| DC Supply Voltage | VCC | -0.5 | 6.5 | V | 3 | ||
| DC Input Voltage | VIN | -0.5 | 6.5 | V | 3 | ||
| DC Output Voltage, Active Mode | VOUT | -0.5 | 6.5 | V | Active-Mode (High or Low State): -0.5 to VCC + 0.5; Tri-State and Power-Down (VCC = 0 V): -0.5 to +6.5 | 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 | ||
| Junction Temperature Under Bias | TJ | 150 | °C | 3 | |||
| ESD Withstand Voltage, Human Body Model | VESD | 2000 | V | Human Body Model | 3 | ||
| ESD Withstand Voltage, Charged Device Model | VESD | 1000 | V | Charged Device Model | 3 | ||
| Thermal Resistance | θJA | 377 | °C/W | SC-88A; minimum pad spacing on FR4 board, 10mm-by-1inch, 2 ounce copper trace, no air flow | 3 | ||
| Power Dissipation in Still Air | PD | 332 | mW | SC-88A | 3 |
CAD (KiCad official)
- Symbol:
MC74VHC1GT50DFT1G-Q - Footprint:
Package_TO_SOT_SMD:SOT-553 - 3D model: SOT-553 (KiCad packages3D, STEP)
- 3D model files:
mc74vhc1gt50dft1g-q-etched.step/mc74vhc1gt50dft1g-q-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mc74vhc1gt50dft1g-q.step/mc74vhc1gt50dft1g-q.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (14 pp, sha256
030d536b77356b65, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).
# MC74VHC1GT50DFT1G-Q
**onsemi** · Buffers, Drivers, Receivers, Transceivers · SOT-553
MC74VHC1GT50DFT1G-Q from onsemi, in a SOT-553. 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 | NC | unconnected | No connect pin with no internal function stated in the datasheet. |
| 2 | A | input | Buffer input with TTL-level thresholds on the GT50 (VIH min 2.0 V at VCC 4.5 to 5.5 V), tolerant to 5.5 V regardless of supply voltage. |
| 3 | GND | power_in | Ground pin (0 V reference) for the supply. |
| 4 | Y | output | Buffer output that follows input A and sources or sinks 8 mA at 3.0 V, with a 5.5 V maximum output voltage in power-down mode. |
| 5 | VCC | power_in | Positive supply pin, specified for 2.0 V to 5.5 V operation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOT-553 |
| Category | Logic |
| 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 |
|---|---|---|---|---|---|---|---|
| High-Level Input Voltage | VIH | 1 | | | V | VCC = 2.0 V; same min in all temperature columns | 5 |
| High-Level Input Voltage | VIH | 1.4 | | | V | VCC = 3.0 V; same min in all temperature columns | 5 |
| High-Level Input Voltage | VIH | 2 | | | V | VCC = 4.5 V; same min in all temperature columns | 5 |
| Low-Level Input Voltage | VIL | | | 0.28 | V | VCC = 2.0 V; same max in all temperature columns | 5 |
| Low-Level Input Voltage | VIL | | | 0.45 | V | VCC = 3.0 V; same max in all temperature columns | 5 |
| Low-Level Input Voltage | VIL | | | 0.8 | V | VCC = 4.5 V; same max in all temperature columns | 5 |
| High-Level Output Voltage | VOH | 1.9 | 2 | | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 2.0 V, TA = 25°C | 5 |
| High-Level Output Voltage | VOH | 2.9 | 3 | | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 3.0 V, TA = 25°C | 5 |
| High-Level Output Voltage | VOH | 4.4 | 4.5 | | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 4.5 V, TA = 25°C | 5 |
| High-Level Output Voltage | VOH | 2.58 | | | V | VIN = VIH or VIL, IOH = -4 mA, VCC = 3.0 V, TA = 25°C | 5 |
| High-Level Output Voltage | VOH | 3.94 | | | V | VIN = VIH or VIL, IOH = -8 mA, VCC = 4.5 V, TA = 25°C | 5 |
| High-Level Output Voltage | VOH | 1.9 | | | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 2.0 V, -55°C ≤ TA ≤ 125°C | 5 |
| High-Level Output Voltage | VOH | 2.9 | | | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 3.0 V, -55°C ≤ TA ≤ 125°C | 5 |
| High-Level Output Voltage | VOH | 4.4 | | | V | VIN = VIH or VIL, IOH = -50 µA, VCC = 4.5 V, -55°C ≤ TA ≤ 125°C | 5 |
| High-Level Output Voltage | VOH | 2.34 | | | V | VIN = VIH or VIL, IOH = -4 mA, VCC = 3.0 V, -55°C ≤ TA ≤ 125°C | 5 |
| High-Level Output Voltage | VOH | 3.66 | | | V | VIN = VIH or VIL, IOH = -8 mA, VCC = 4.5 V, -55°C ≤ TA ≤ 125°C | 5 |
| Low-Level Output Voltage | VOL | | 0 | 0.1 | V | VIN = VIH or VIL, IOL = 50 µA, VCC = 2.0 V, TA = 25°C | 5 |
| Low-Level Output Voltage | VOL | | | 0.36 | V | VIN = VIH or VIL, IOL = 4 mA, VCC = 3.0 V, TA = 25°C | 5 |
| Low-Level Output Voltage | VOL | | | 0.1 | V | VIN = VIH or VIL, IOL = 50 µA, VCC = 2.0 V, -55°C ≤ TA ≤ 125°C | 5 |
| Low-Level Output Voltage | VOL | | | 0.52 | V | VIN = VIH or VIL, IOL = 4 mA, VCC = 3.0 V, -55°C ≤ TA ≤ 125°C | 5 |
| 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 | 5 |
| Input Leakage Current | IIN | | | 1 | µA | VIN = 5.5 V or GND, VCC = 2.0 to 5.5 V, -55°C ≤ TA ≤ 125°C | 5 |
| Power Off Leakage Current | IOFF | | | 1 | µA | VIN = 5.5 V or VOUT = 5.5 V, VCC = 0 V, TA = 25°C | 5 |
| Power Off Leakage Current | IOFF | | | 10 | µA | VIN = 5.5 V or VOUT = 5.5 V, VCC = 0 V, -55°C ≤ TA ≤ 125°C | 5 |
| Quiescent Supply Current | ICC | | | 1 | µA | VIN = VCC or GND, VCC = 5.5 V, TA = 25°C | 5 |
| Quiescent Supply Current | ICC | | | 40 | µA | VIN = VCC or GND, VCC = 5.5 V, -55°C ≤ TA ≤ 125°C | 5 |
| Increase in Quiescent Supply Current per Input Pin | ICCT | | | 1.35 | mA | One Input: VIN = 3.4 V; Other Input at VCC or GND, VCC = 5.5 V, TA = 25°C | 5 |
| Increase in Quiescent Supply Current per Input Pin | ICCT | | | 1.65 | mA | One Input: VIN = 3.4 V; Other Input at VCC or GND, VCC = 5.5 V, -55°C ≤ TA ≤ 125°C | 5 |
| Propagation Delay, A to Y | tPLH, tPHL | | 4.5 | 7.1 | ns | CL = 15 pF, VCC = 3.0 to 3.6 V, TA = 25°C | 5 |
| Propagation Delay, A to Y | tPLH, tPHL | | 6.4 | 10.6 | ns | CL = 50 pF, VCC = 3.0 to 3.6 V, TA = 25°C | 5 |
| Propagation Delay, A to Y | tPLH, tPHL | | 3.5 | 5.5 | ns | CL = 15 pF, VCC = 4.5 to 5.5 V, TA = 25°C | 5 |
| Propagation Delay, A to Y | tPLH, tPHL | | 4.5 | 7.5 | ns | CL = 50 pF, VCC = 4.5 to 5.5 V, TA = 25°C | 5 |
| Propagation Delay, A to Y | tPLH, tPHL | | | 10 | ns | CL = 15 pF, VCC = 3.0 to 3.6 V, -55°C ≤ TA ≤ 125°C | 5 |
| Propagation Delay, A to Y | tPLH, tPHL | | | 14.5 | ns | CL = 50 pF, VCC = 3.0 to 3.6 V, -55°C ≤ TA ≤ 125°C | 5 |
| Propagation Delay, A to Y | tPLH, tPHL | | | 8 | ns | CL = 15 pF, VCC = 4.5 to 5.5 V, -55°C ≤ TA ≤ 125°C | 5 |
| Input Capacitance | CIN | | 4 | 10 | pF | TA = 25°C | 5 |
| Positive DC Supply Voltage | VCC | 2 | | 5.5 | V | | 4 |
| DC Input Voltage | VIN | 0 | | 5.5 | V | | 4 |
| Operating Temperature Range | TA | -55 | | 125 | °C | | 4 |
| DC Supply Voltage | VCC | -0.5 | | 6.5 | V | | 3 |
| DC Input Voltage | VIN | -0.5 | | 6.5 | V | | 3 |
| DC Output Voltage, Active Mode | VOUT | -0.5 | | 6.5 | V | Active-Mode (High or Low State): -0.5 to VCC + 0.5; Tri-State and Power-Down (VCC = 0 V): -0.5 to +6.5 | 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 |
| Junction Temperature Under Bias | TJ | | | 150 | °C | | 3 |
| ESD Withstand Voltage, Human Body Model | VESD | | | 2000 | V | Human Body Model | 3 |
| ESD Withstand Voltage, Charged Device Model | VESD | | | 1000 | V | Charged Device Model | 3 |
| Thermal Resistance | θJA | | 377 | | °C/W | SC-88A; minimum pad spacing on FR4 board, 10mm-by-1inch, 2 ounce copper trace, no air flow | 3 |
| Power Dissipation in Still Air | PD | | 332 | | mW | SC-88A | 3 |
## CAD (KiCad official)
- Symbol: `MC74VHC1GT50DFT1G-Q`
- Footprint: `Package_TO_SOT_SMD:SOT-553`
- 3D model: SOT-553 (KiCad packages3D, STEP)
- 3D model files: `mc74vhc1gt50dft1g-q-etched.step` / `mc74vhc1gt50dft1g-q-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mc74vhc1gt50dft1g-q.step` / `mc74vhc1gt50dft1g-q.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/mc74vhc1gt50dft1g-q-d.pdf) (14 pp, sha256 `030d536b77356b65`, 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](docs/mc74vhc1gt50dft1g-q-datasheet.pdf)