SN74AHCT157N

Signal Switches, Multiplexers, Decoders Overview

The SN74AHCT157N is a quad 2-input data selector/multiplexer manufactured by Texas Instruments. It operates with a supply voltage range of 4.5V to 5.5V and features high-speed CMOS technology compatible with TTL logic levels. The device provides four independent channels, each selecting one of two data inputs (A or B) based on the select input (S). An output enable (OE) input controls the state of all outputs simultaneously. It utilizes a 16-pin DIP package.

Signal Switches, Multiplexers, Decoders Feature Summary

• Quad configuration providing four independent 2-to-1 multiplexing channels
• High-speed CMOS technology ensuring fast switching speeds
• TTL-compatible input levels for direct interface with standard logic families
• Simultaneous output enable control across all channels

Signal Switches, Multiplexers, Decoders Applications

• Data routing in digital systems
• Signal selection in measurement equipment
• Multiplexing in industrial control applications

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'N' indicates the 16-pin DIP package variant when sourcing. Confirm the operating temperature range matches your environmental requirements. Ensure the supply voltage strictly adheres to the 4.5V to 5.5V specification to maintain signal integrity and prevent latch-up conditions during operation.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a quad multiplexer with TTL-compatible inputs is required at 5V logic levels. Consider alternative packages if surface-mount assembly is necessary. Evaluate propagation delay specifications against system timing constraints. Verify that the power supply stability meets the requirements for high-speed CMOS operation to avoid noise-induced errors.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SN74AHCT series of high-speed CMOS logic devices. The AHCT series bridges the gap between low-voltage CMOS and traditional 5V TTL systems by accepting TTL-compatible input voltages while maintaining CMOS performance characteristics. This family is widely used in general-purpose digital logic applications requiring reliable level shifting and signal routing.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Compatible substitutes include other SN74AHCT157 variants from Texas Instruments or equivalent quad 2-to-1 multiplexers from manufacturers like ON Semiconductor or NXP, provided pin compatibility and electrical specifications align.