Overview
The MC74VHC541DTR2G, produced by onsemi, is an advanced high-speed CMOS octal bus buffer. 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. It is a noninverting 3-state buffer/line driver/line receiver, making it versatile for various digital logic applications.
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 |
| tPD (Propagation Delay) | - | 3.7 | - | ns (at VCC = 5.0 V) |
| ICC (Quiescent Supply Current) | - | - | 4.0 | μA (at TA = 25°C) |
| TA (Operating Temperature) | -55 | - | 125 | °C |
| IIN (DC Input Current per Pin) | - | - | ±20 | mA |
| IOUT (DC Output Current per Pin) | - | - | ±25 | mA |
Key Features
- High Speed: Propagation delay of 3.7 ns (typ) at VCC = 5.0 V.
- Low Power Dissipation: Maximum quiescent supply current of 4.0 μA at TA = 25°C.
- High Noise Immunity: VNIH and VNIL of 28% of VCC.
- Power Down Protection: Provided to prevent device destruction.
- Balanced Propagation Delays: Ensures consistent timing.
- Wide Operating Voltage Range: 2.0 V to 5.5 V for MC74VHC541 and 4.5 V to 5.5 V for MC74VHCT541A.
- Low Noise: Quiet output maximum dynamic VOL of 0.9 V (typ) for MC74VHC541.
- Pin and Function Compatibility: Compatible with other standard logic families.
- ESD Performance: Human Body Model > 2000 V.
- Latchup Performance: Exceeds 100 mA.
Applications
The MC74VHC541DTR2G is suitable for a variety of digital logic applications, including:
- Bus Buffering: Ideal for buffering data on high-speed buses.
- Line Driving/Receiving: Can be used as a line driver or receiver in digital systems.
- Level Conversion: The MC74VHCT541A can convert 3.3 V to 5.0 V logic levels.
- High-Speed Digital Circuits: Suitable for use in high-speed digital circuits requiring low power and high noise immunity.
Q & A
- What is the typical propagation delay of the MC74VHC541 at VCC = 5.0 V?
The typical propagation delay is 3.7 ns at VCC = 5.0 V.
- What is the maximum quiescent supply current of the MC74VHC541 at TA = 25°C?
The maximum quiescent supply current is 4.0 μA at TA = 25°C.
- What is the operating voltage range for the MC74VHC541?
The operating voltage range is 2.0 V to 5.5 V.
- Does the MC74VHC541 provide power down protection?
- What is the ESD performance of the MC74VHC541?
The ESD performance is > 2000 V according to the Human Body Model.
- Can the MC74VHCT541A be used for level conversion between 3.3 V and 5.0 V systems?
- What is the maximum input voltage tolerance for the MC74VHC541 inputs?
The inputs tolerate voltages up to 5.5 V.
- What is the thermal resistance of the SOIC-20 package for the MC74VHC541?
The thermal resistance is 96 °C/W for the SOIC-20 package.
- What is the latchup performance of the MC74VHC541?
The latchup performance exceeds 100 mA.
- What is the recommended operating temperature range for the MC74VHC541?
The recommended operating temperature range is -55°C to 125°C.
