CD74HC257E

Overview

The CD74HC257E is a high-speed CMOS logic quad 2-input multiplexer with three-state outputs manufactured by Harris Corporation. It operates within a supply voltage range of 4.5 V to 5.5 V and features a propagation delay of 41 ns. The device supports through-hole mounting in a PDIP-16 package and functions reliably across an extended temperature range from -55°C to +125°C.

Feature Summary

• Quad 2-input multiplexing architecture
• Three-state output capability
• High-speed CMOS technology

Applications

• Data routing systems
• Signal selection circuits
• Digital logic interfaces

Procurement Notes

Verify the manufacturer origin, as Texas Instruments also produces this part number. Confirm the specific package type and electrical specifications against the official datasheet to ensure compatibility with your design requirements before procurement.

Selection Notes

Select this component for applications requiring multiple signal sources to be routed to a single output line. Ensure the operating voltage aligns with the 4.5 V to 5.5 V specification and that the thermal environment remains within the -55°C to +125°C operational limits.

Part Context

This component belongs to the 74HC series of high-speed CMOS logic devices. It provides versatile data selection functionality suitable for various digital electronic applications requiring reliable signal multiplexing and tri-state control capabilities.

Replacement Considerations

CD74HCT257E: Compatible alternative offering similar multiplexing functions with HCT logic level compatibility.