MC74VHCT244ADWR2

Overview

The MC74VHCT244ADWR2 is an octal bus buffer and line driver from the VHCT logic series, manufactured by onsemi. It features eight non-inverting inputs and outputs housed in a 20-pin SOIC package. The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical specifications include a propagation delay of 5.9 ns, high-level output current of -8 mA, and low-level output current of 8 mA. It supports a wide operating temperature range from -55°C to +125°C.

Feature Summary

• Provides octal buffering with three-state output capability for efficient data bus management.
• Ensures compatibility with TTL logic levels through VHCT technology.
• Supports operation across extended industrial temperature ranges.

Applications

• High-speed data bus buffering applications
• Clock distribution circuits
• Memory interface drivers

Procurement Notes

Verify the specific suffix '2' against the manufacturer's latest documentation to confirm packaging details and compliance status. Ensure the ordering information matches the required tape and reel or cut tape format as specified in the official datasheet. Cross-reference the RoHS status directly with the component label.

Selection Notes

Select this component when an octal buffer with three-state outputs is required for 5V systems. The VHCT series offers improved performance over standard HC logic while maintaining TTL input compatibility. Consider the SOIC-20 package constraints and the specified operating temperature range for your environmental conditions.

Part Context

This part belongs to the MC74VHCT244A family of octal buffers. It is functionally similar to other devices in the VHCT series but distinguished by its specific pinout and packaging. The '2' suffix typically indicates a specific manufacturing variant or packaging configuration defined by onsemi.

Replacement Considerations

MC74VHCT244ADWRG is listed as a possible replacement. Verify pin compatibility and electrical characteristics before substitution.

FAQ

What is the logic polarity of the MC74VHCT244ADWR2?

The device is non-inverting, meaning the output signal follows the input signal state.

Does this component support three-state outputs?

Yes, the MC74VHCT244ADWR2 features three-state outputs controlled by an enable input.