Overview
The MC74VHCT32ADTR2G is a high-speed CMOS quad 2-input OR gate produced by onsemi. This device is fabricated with silicon gate CMOS technology, offering high-speed operation similar to Bipolar Schottky TTL while maintaining the low power dissipation characteristic of CMOS devices. The MC74VHCT32A variant is specifically designed with inputs compatible with TTL levels, making it suitable for interfacing between 3.3 V and 5.0 V systems. The device features a buffer output stage that enhances noise immunity and provides stable output signals.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC (DC Supply Voltage) | 2.0 | 5.5 | V | |
| VIN (DC Input Voltage) | 0 | 5.5 | V | |
| VOUT (DC Output Voltage) | 0 | VCC + 0.5 | V | |
| VIH (High-Level Input Voltage) | 1.4 | 2.0 | 2.0 | V |
| VIL (Low-Level Input Voltage) | 0.53 | 0.8 | 0.8 | V |
| VOH (High-Level Output Voltage) | 2.9 | 4.4 | 4.4 | V (IOH = -50 μA) |
| VOL (Low-Level Output Voltage) | 0 | 0.1 | 0.1 | V (IOL = 50 μA) |
| tPLH, tPHL (Propagation Delay) | 3.8 | 5.3 | 7.5 | ns (VCC = 5.0 V, CL = 50 pF) |
| ICC (Quiescent Supply Current) | 20 | 40 | μA | |
| TJ (Junction Temperature) | 150 | °C |
Key Features
- High Speed: Propagation delay as low as 3.8 ns at VCC = 5.0 V.
- Low Power Dissipation: Maximum quiescent supply current of 40 μA at VCC = 5.5 V.
- High Noise Immunity: VNIH and VNIL of 28% VCC.
- Power Down Protection: Provided on inputs to prevent device destruction.
- Balanced Propagation Delays.
- Operating Range: 2.0 V to 5.5 V.
- Low Noise: Quiet output maximum dynamic VOL of 0.8 V.
- Pin and Function Compatibility: Compatible with other standard logic families.
- Latchup Performance: Exceeds 100 mA.
- ESD Performance: Human Body Model > 2000 V.
- AEC-Q100 Qualified and PPAP Capable for automotive and other applications requiring unique site and control change requirements.
Applications
- Level Conversion: Suitable for interfacing between 3.3 V and 5.0 V systems.
- High-Speed Logic Circuits: Ideal for applications requiring fast propagation delays.
- Low Power Systems: Suitable for battery-powered devices and other low power applications.
- Automotive Systems: AEC-Q100 qualified for use in automotive and other demanding environments.
- General Logic Functions: Can be used in a variety of digital logic circuits requiring OR gate functionality.
Q & A
- What is the propagation delay of the MC74VHCT32ADTR2G at VCC = 5.0 V?
The propagation delay is as low as 3.8 ns at VCC = 5.0 V with a load capacitance of 50 pF.
- What is the operating voltage range of the MC74VHCT32ADTR2G?
The device operates within a voltage range of 2.0 V to 5.5 V.
- Is the MC74VHCT32ADTR2G compatible with TTL levels?
- What is the maximum quiescent supply current of the MC74VHCT32ADTR2G?
The maximum quiescent supply current is 40 μA at VCC = 5.5 V.
- Does the MC74VHCT32ADTR2G provide power down protection?
- What is the latchup performance of the MC74VHCT32ADTR2G?
The latchup performance exceeds 100 mA.
- What is the ESD performance of the MC74VHCT32ADTR2G?
The ESD performance is > 2000 V according to the Human Body Model.
- Is the MC74VHCT32ADTR2G suitable for automotive applications?
- What are the typical applications of the MC74VHCT32ADTR2G?
The device is used in level conversion, high-speed logic circuits, low power systems, and general logic functions.
- What is the junction temperature range of the MC74VHCT32ADTR2G?
The junction temperature range is from -55°C to 150°C.
