MC74VHC157D

Signal Switches, Multiplexers, Decoders Overview

The MC74VHC157D is a quad 2-input multiplexer fabricated with advanced high-speed CMOS technology. It operates within a voltage range of 2.0 V to 5.5 V and features balanced propagation delays typical of 4.1 ns at 5.0 V. The device provides low power dissipation with a maximum quiescent current of 4.0 µA. Inputs tolerate voltages up to 7 V, enabling interface between 5 V and 3 V systems. It includes power-down protection on inputs and offers ESD performance exceeding 2000 V (HBM).

Signal Switches, Multiplexers, Decoders Feature Summary

• Quad 2-input multiplexer architecture
• High-speed CMOS operation with balanced delays
• Input voltage tolerance up to 7 V for level shifting
• Power-down protection on all inputs

Signal Switches, Multiplexers, Decoders Applications

• Data routing in digital communication systems
• Signal selection in microprocessor-based designs
• Interface bridging between 3 V and 5 V logic domains

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Ensure the ordered part matches the required operating temperature range and voltage levels. Cross-reference the ordering number with the latest onsemi documentation to avoid obsolete variants.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a compact solution for multiple signal paths is required. It is suitable for applications demanding low power consumption alongside high-speed switching capabilities. Verify that the input voltage levels do not exceed the 7 V tolerance limit during transient conditions.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74VHC series of high-speed CMOS logic devices from onsemi. The series is designed to replace slower TTL equivalents while maintaining lower power consumption. It is commonly used in general-purpose digital logic applications requiring reliable signal multiplexing.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for pin-compatible alternatives such as the MC74VHC157DR2G or other manufacturers' 74VHC157 variants. Confirm that any substitute maintains the same 2.0 V to 5.5 V operating range and input tolerance characteristics.