Overview
The MC74VHC1GT14DFT2G, produced by onsemi, is a single gate CMOS Schmitt-trigger inverter fabricated with silicon gate CMOS technology. This device achieves high-speed operation similar to equivalent Bipolar Schottky TTL while maintaining the low power dissipation characteristic of CMOS technology.
The internal circuit of the MC74VHC1GT14 is composed of three stages, including a buffer output, which provides high noise immunity and stable output. The device is compatible with TTL-type input thresholds and has a full 5V CMOS level output swing, making it versatile for various logic-level translation tasks.
The input protection circuitry allows overvoltage tolerance, enabling the device to be used as a logic-level translator between different CMOS logic levels (e.g., from 3.0V CMOS to 5.0V CMOS or from 1.8V CMOS to 3.0V CMOS) while operating at a high-voltage power supply.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | −0.5 to +7.0 | V |
| DC Input Voltage (VIN) | −0.5 to +7.0 | V |
| DC Output Voltage (VOUT) | −0.5 to VCC + 0.5 | V |
| Propagation Delay (tPD) | 3.5 ns (Typ) at VCC = 5V | ns |
| DC Supply Current (ICC) | 1 µA (Max) at TA = 25°C | µA |
| TTL-Compatible Input Thresholds | VIL = 0.8V, VIH = 2.0V | V |
| CMOS-Compatible Output Levels | VOH > 0.8VCC, VOL < 0.1VCC @ Load | V |
| Power Down Protection | Provided on Inputs and Outputs | |
| Operating Temperature Range | −55°C to +125°C | °C |
| Package Types | SC-88A / SC-70-5, TSOP-5 / SOT23-5, UDFN-6 |
Key Features
- High Speed Operation: Achieves propagation delays as low as 3.5 ns (Typ) at VCC = 5V.
- Low Power Dissipation: Maximum DC supply current of 1 µA at TA = 25°C.
- TTL-Compatible Inputs: Compatible with TTL-type input thresholds (VIL = 0.8V, VIH = 2.0V).
- CMOS-Compatible Outputs: Full 5V CMOS level output swing (VOH > 0.8VCC, VOL < 0.1VCC @ Load).
- Power Down Protection: Provided on inputs and outputs to prevent device destruction.
- Balanced Propagation Delays: Ensures consistent timing in logic circuits.
- Pb-Free and RoHS Compliant: Available in lead-free packages.
- Pin and Function Compatibility: Compatible with other standard logic families.
- High Noise Immunity: Internal buffer output provides stable and noise-immune operation.
Applications
The MC74VHC1GT14DFT2G is suitable for a wide range of applications due to its versatility and robust features. It can be used in:
- Logic-Level Translation: Translating between different CMOS logic levels (e.g., 3.0V to 5.0V or 1.8V to 3.0V).
- Noise Immunity Enhancement: Enhancing noise immunity in digital circuits.
- Waveform Squaring: Squaring up slowly changing waveforms.
- Interface Between Different Voltage Circuits: Interfacing 5V circuits to 3V circuits safely.
- General Digital Logic Circuits: Used in various digital logic applications requiring high speed and low power consumption.
Q & A
- What is the MC74VHC1GT14DFT2G?
The MC74VHC1GT14DFT2G is a single gate CMOS Schmitt-trigger inverter fabricated with silicon gate CMOS technology.
- What are the key features of the MC74VHC1GT14DFT2G?
Key features include high-speed operation, low power dissipation, TTL-compatible inputs, CMOS-compatible outputs, and power down protection.
- What is the propagation delay of the MC74VHC1GT14DFT2G?
The propagation delay is typically 3.5 ns at VCC = 5V.
- What are the input and output voltage levels of the MC74VHC1GT14DFT2G?
The device has TTL-compatible inputs (VIL = 0.8V, VIH = 2.0V) and CMOS-compatible outputs (VOH > 0.8VCC, VOL < 0.1VCC @ Load).
- What is the operating temperature range of the MC74VHC1GT14DFT2G?
The operating temperature range is −55°C to +125°C.
- What types of packages are available for the MC74VHC1GT14DFT2G?
The device is available in SC-88A / SC-70-5, TSOP-5 / SOT23-5, and UDFN-6 packages.
- Is the MC74VHC1GT14DFT2G Pb-free and RoHS compliant?
- What applications can the MC74VHC1GT14DFT2G be used in?
- How does the MC74VHC1GT14DFT2G protect against overvoltage?
- Is the MC74VHC1GT14DFT2G compatible with other standard logic families?
