MC74VHCT244ADTG

Overview

The MC74VHCT244ADTG is an octal bus buffer and line driver from onsemi, belonging to the VHCT logic family. It features eight non-inverting inputs and outputs with three-state capability. The device operates within a supply voltage range of 4.5 V to 5.5 V. It utilizes a TSSOP-20 surface-mount package. Key electrical specifications include a maximum propagation delay of 8.4 ns, a static current of 4 uA, and a power dissipation of 833 mW. The component supports industrial temperature ranges from -55°C to +125°C.

Feature Summary

• Provides octal buffering for high-speed digital signal transmission
• Features three-state outputs to facilitate bus-oriented architectures
• Ensures compatibility with standard TTL logic input levels

Applications

• Bus-oriented memory and address drivers
• Clock distribution circuits
• Data register driving applications

Procurement Notes

Verify the specific suffix ADTG against the manufacturer's official datasheet to confirm the TSSOP-20 package configuration. Ensure that the VHCT logic family requirements align with the target system's voltage and speed specifications before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring octal buffering with three-state control at 5V logic levels. The VHCT series offers improved switching speeds compared to standard HCT devices while maintaining TTL-compatible input thresholds suitable for mixed-voltage interfaces.

Part Context

This part belongs to the MC74VHCT244A series of buffers and line drivers manufactured by onsemi. The VHCT family combines the speed advantages of advanced CMOS technology with TTL-compatible inputs, making it suitable for high-performance digital applications requiring reliable signal integrity.

Replacement Considerations

Cross-reference with MC74VHCT244ADTR2G for tape-and-reel packaging alternatives or MC74HCT244ADWG for HCT family equivalents. Verify pinout compatibility and electrical parameter alignment before substitution.

FAQ

Is the MC74VHCT244ADTG inverting or non-inverting?

The MC74VHCT244ADTG is a non-inverting buffer, meaning the output signal follows the input signal phase.

What is the operating supply voltage range?

The device operates within a supply voltage range of 4.5 V to 5.5 V.