Overview
The MC74VHCT541ADTG is an advanced high-speed CMOS octal bus buffer produced by onsemi. This device is fabricated with silicon gate CMOS technology, offering high-speed operation similar to equivalent Bipolar Schottky TTL while maintaining the low power dissipation characteristic of CMOS devices. It functions as a noninverting 3-state buffer/line driver/line receiver, making it versatile for various digital circuit applications. The MC74VHCT541A is particularly useful for interfacing between 3.3 V and 5.0 V systems due to its full 5.0 V CMOS level output swings and compatibility with TTL input levels.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC (DC Supply Voltage) | 4.5 | - | 5.5 | V |
| VIN (DC Input Voltage) | 0 | - | 5.5 | V |
| VOUT (DC Output Voltage) | 0 | - | VCC + 0.5 | V |
| tPD (Propagation Delay, A to Y) | - | 5.4 | - | ns |
| ICC (DC Supply Current) | - | - | 4.0 | μA |
| 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 5.4 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: Output structures provide protection when VCC = 0 V.
- Balanced Propagation Delays: Ensures consistent signal timing.
- Wide Operating Voltage Range: 4.5 V to 5.5 V.
- Low Noise: Quiet output maximum dynamic VOL of 1.2 V (typ).
- Pin and Function Compatibility: Compatible with other standard logic families.
- ESD Performance: Human Body Model > 2000 V.
- Latchup Performance: Exceeds 100 mA.
Applications
The MC74VHCT541ADTG is suitable for a variety of applications, including:
- Interface between 3.3 V and 5.0 V Systems: Due to its full 5.0 V CMOS level output swings and TTL input compatibility.
- High-Speed Digital Circuits: Where low propagation delays and high noise immunity are critical.
- Buffering and Line Driving: In systems requiring noninverting 3-state buffer/line driver/line receiver functions.
- Level Conversion: For converting signal levels between different voltage domains.
Q & A
- What is the typical propagation delay of the MC74VHCT541ADTG?
The typical propagation delay is 5.4 ns at VCC = 5.0 V.
- What is the maximum quiescent supply current of the MC74VHCT541ADTG?
The maximum quiescent supply current is 4.0 μA at TA = 25°C.
- What is the operating voltage range of the MC74VHCT541ADTG?
The operating voltage range is from 4.5 V to 5.5 V.
- Is the MC74VHCT541ADTG compatible with TTL input levels?
- What is the ESD performance of the MC74VHCT541ADTG?
The ESD performance is > 2000 V according to the Human Body Model.
- Does the MC74VHCT541ADTG provide power down protection?
- What is the maximum DC output current per pin of the MC74VHCT541ADTG?
The maximum DC output current per pin is ±25 mA.
- What is the storage temperature range of the MC74VHCT541ADTG?
The storage temperature range is from -65°C to +150°C.
- Is the MC74VHCT541ADTG pin and function compatible with other standard logic families?
- What is the latchup performance of the MC74VHCT541ADTG?
The latchup performance exceeds 100 mA.
