MC74AC157DR2

Overview

The MC74AC157DR2 is a quad 2-input multiplexer manufactured by onsemi, belonging to the 74AC logic series. It features four independent 2-to-1 data selectors housed in a 16-SOIC surface-mount package. The device operates on a single power supply ranging from 2V to 6V and supports output drive currents of 24mA for both high and low states. It functions within an industrial temperature range of -40°C to 85°C.

Feature Summary

• Integrates four independent 2-to-1 multiplexers within a single integrated circuit
• Provides high-current output drive capability suitable for direct interfacing with loads
• Operates across a wide voltage supply range compatible with standard AC logic levels

Applications

• Data routing in digital communication systems
• Signal selection in microprocessor-based control circuits
• Address decoding and bus switching applications

Procurement Notes

Verify the exact suffix against official documentation, as 'MC74AC157DR2' may lack the standard trailing characters found in complete part numbers like DR2G. Confirm RoHS compliance status and current production lifecycle stage directly with the manufacturer or authorized distributors before procurement.

Selection Notes

Select this component when designing systems requiring multiple independent signal paths controlled by common select lines. Ensure the operating voltage remains within the specified 2V to 6V window. Verify that the SOIC package dimensions fit the target PCB footprint and that the thermal requirements are met for the intended environment.

Part Context

This part belongs to the 74AC family of high-speed CMOS logic devices produced by onsemi. The 74AC157 specifically provides quad multiplexing functionality, serving as a fundamental building block for data path management in digital electronics. It shares pinout compatibility with other industry-standard multiplexer variants while offering specific performance characteristics defined by the AC series.

Replacement Considerations

Publicly confirmed substitute part numbers were not identified in the provided source material.