74VHC157MTC

Signal Switches, Multiplexers, Decoders Overview

The Fairchild Semiconductor 74VHC157MTC is a high-speed CMOS quad 2-input multiplexer. It operates within a supply voltage range of 2.0 V to 6.0 V and features low input current of 1 µA maximum. The device provides a fan-out capability of 10 LS-TTL loads with typical propagation delays of 14 ns. It utilizes advanced silicon-gate CMOS technology for high noise immunity and low power consumption, housed in a 16-pin TSSOP package.

Signal Switches, Multiplexers, Decoders Feature Summary

• Quad 2-to-1 line data selection with common select and strobe inputs
• Functionally and pin-out compatible with standard 74LS logic family
• High noise immunity and low power consumption characteristics

Signal Switches, Multiplexers, Decoders Applications

• Data routing between register groups to output buses
• General-purpose digital signal multiplexing
• Logic interface replacement for legacy TTL designs

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific manufacturer designation as Fairchild Semiconductor was acquired by onsemi. Confirm the exact part marking and datasheet version to ensure compatibility with original Fairchild specifications. Check for any RoHS compliance updates or material declarations associated with the post-acquisition production batches.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when replacing 74LS series logic with lower power CMOS alternatives without changing pin configurations. Ensure the operating voltage aligns with the 2.0 V to 6.0 V range. Consider the 14 ns propagation delay for timing constraints in the target circuit design.

Signal Switches, Multiplexers, Decoders Part Context

This device belongs to the 74HC/VHC logic family, designed for high-speed digital applications. It serves as a direct drop-in replacement for older 74LS multiplexers, offering improved power efficiency while maintaining electrical compatibility. The quad configuration allows handling four independent data channels simultaneously.