CD74HC367E

Overview

The CD74HC367E is a high-speed CMOS logic hex buffer and line driver manufactured by Harris Corporation. It features six non-inverting buffers with three-state outputs, allowing for controlled signal transmission on shared buses. The device operates within a supply voltage range of 2V to 6V and supports an operating temperature range from -55°C to 125°C. Key electrical parameters include a maximum propagation delay of 24ns at nominal voltage, a maximum output current of 6mA, and a nominal supply current of 0.08mA. It utilizes HC technology and is available in a 16-pin PDIP package.

Feature Summary

• Provides six independent non-inverting buffer channels for signal conditioning and line driving applications.
• Features three-state outputs that enable direct connection to bus-oriented systems without additional interface hardware.
• Utilizes high-speed CMOS technology to ensure low power consumption while maintaining fast switching speeds.

Applications

• Bus-oriented systems requiring isolated signal buffering
• Clock drivers for high-speed digital circuits
• Memory module address and data line drivers

Procurement Notes

Verify the manufacturer designation as Harris Corporation, noting that Texas Instruments also produces this component family. Confirm the specific suffix 'E' corresponds to the PDIP-16 through-hole package. Ensure the datasheet references align with the HC logic series specifications rather than HCT or other variants. Check RoHS compliance status as older Harris production runs may differ from current standards.

Selection Notes

Select this component when designing systems requiring multiple buffered outputs with controllable drive states. The HC series offers compatibility with standard 5V logic levels but supports lower voltages down to 2V. Consider the 24ns propagation delay for timing constraints. The PDIP-16 package is suitable for prototyping and through-hole assembly processes where surface mount options are not feasible.

Part Context

This part belongs to the widely used 74HC logic family, known for its compatibility with TTL inputs while offering CMOS noise immunity. The hex buffer configuration allows for efficient management of multiple signal lines within a single integrated circuit. Harris Corporation was a significant producer of these logic devices before industry consolidations.

Replacement Considerations

CD74HC367N (Texas Instruments)

FAQ

Is the CD74HC367E an inverting or non-inverting buffer?

It is a non-inverting buffer, meaning the output signal maintains the same logical state as the input signal.

What is the function of the three-state outputs?

The three-state outputs allow the device to be disconnected from the circuit via an enable signal, preventing signal contention on shared buses.