MC74HC157AFELG

Signal Switches, Multiplexers, Decoders Overview

The MC74HC157AFELG is a high-performance silicon-gate CMOS quad 2-input data selector manufactured by onsemi. It operates within a supply voltage range of 2.0 V to 6.0 V and supports an operating temperature from -55°C to +125°C. The device features noninverted outputs with a propagation delay of 18 ns at 6.0 V and 105 ns at 2.0 V. It utilizes the SOEIAJ-16 package (Case 966) and contains 82 FETs or 20.5 equivalent gates.

Signal Switches, Multiplexers, Decoders Feature Summary

• Routes two 4-bit nibbles to a single port based on a select input
• Outputs present selected data in noninverted form
• High noise immunity characteristic of CMOS devices
• Compatible with standard CMOS and LSTTL outputs

Signal Switches, Multiplexers, Decoders Applications

• Data routing between register groups
• Function signal generation
• General-purpose multiplexing

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix 'F' corresponds to the SOEIAJ-16 package configuration as documented in the manufacturer's ordering information. Confirm that the component meets RoHS compliance requirements and is lead-free. Ensure the procurement source provides valid traceability for the manufacturing lot code.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a quad 2-input multiplexer with wide voltage operation is required. The HC logic family ensures compatibility with both CMOS and TTL loads. Consider the extended temperature range for industrial environments. Verify pinout compatibility with LS157 designs if replacing legacy components.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the MC74HC157A series, which includes variants such as the MC74HC157ADG and MC74HC157ANG. These devices share identical logical functionality but differ in packaging options like SOIC-16, TSSOP-16, and PDIP-16. The MC74HC157A series is designed to be pin-compatible with the LS157 while offering CMOS performance benefits.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Public confirmed substitute part numbers include MC74HC157DWR2G.