SN74AHCT157NSR

Signal Switches, Multiplexers, Decoders Overview

The SN74AHCT157NSR is a quadruple 2-line to 1-line data selector/multiplexer from Texas Instruments, part of the AHCT logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and features a propagation delay of 7.5 ns. The device is housed in a 16-pin SOIC (NS) package and supports surface mount installation. It functions across an operating temperature range of -40°C to +85°C, providing four independent multiplexing channels with TTL-compatible inputs for versatile interfacing.

Signal Switches, Multiplexers, Decoders Feature Summary

• Quadruple 2-to-1 data selection capability
• TTL/CMOS input compatibility
• High noise immunity design

Signal Switches, Multiplexers, Decoders Applications

• Data routing in digital systems
• Signal selection circuits
• Multiplexing applications requiring TTL interface

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot codes and date codes against current production status. Ensure packaging integrity matches specified reel or tube quantities. Cross-reference datasheet revisions to confirm pinout and electrical specifications match system requirements before procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when quadruple 2-to-1 multiplexing is required with TTL-compatible input levels. The AHCT series ensures compatibility with both CMOS and TTL logic families. Verify that the 16-pin SOIC package fits the PCB footprint constraints. Ensure the 4.5V to 5.5V supply voltage aligns with the system power architecture.

Signal Switches, Multiplexers, Decoders Part Context

This device belongs to the SNx4AHCT157 family of high-speed CMOS logic devices. It is designed for 5-V VCC operation and offers low power dissipation. The AHCT series bridges the gap between standard CMOS performance and TTL input compatibility, making it suitable for mixed-logic environments where signal integrity and speed are critical.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Publicly confirmed substitute part numbers include SN74AHCT157DR and SN74AHCT157N. Verify pin compatibility and electrical specifications before substitution.