SN74AHCT157PW

Signal Switches, Multiplexers, Decoders Overview

The SN74AHCT157PW is a quad 2-input data selector/multiplexer manufactured by Texas Instruments. It features four independent channels, each capable of selecting one of two data inputs (A or B) based on a common select input. The device operates with a supply voltage range of 4.5V to 5.5V and utilizes HCT logic levels for compatibility with standard TTL systems. Outputs are non-inverting and present the selected data in true form.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides four independent bidirectional data paths for signal routing
• Features common select and output enable controls for synchronized operation
• Designed for high-speed data switching applications requiring low propagation delay

Signal Switches, Multiplexers, Decoders Applications

• Data selection in digital systems
• Multiplexing signals for bus-based architectures
• Signal routing in communication equipment

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the package type corresponds to the PW suffix, indicating a TSSOP-16 housing. Confirm that the operating voltage requirements align with your system's 5V logic standards. Ensure ESD protection measures are adequate during handling, as CMOS devices are sensitive to electrostatic discharge. Check for automotive qualification if required, noting this specific part number is typically commercial grade unless specified otherwise in the official datasheet.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when interfacing with TTL-compatible logic families due to its HCT input structure. It is suitable for designs requiring multiple independent 2-to-1 multiplexing functions within a single package. Consider the TSSOP-16 package for surface-mount assembly constraints. Evaluate power consumption and speed requirements against other AHCT variants if lower voltage operation is needed.

Signal Switches, Multiplexers, Decoders Part Context

This device belongs to the SN74AHCT series of advanced high-speed CMOS logic components. It is functionally similar to other 157-series multiplexers but optimized for 5V operation with TTL-compatible inputs. The family offers improved switching speeds and lower power dissipation compared to legacy LS logic families, making it suitable for modern digital designs requiring reliable data routing.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Check for direct pin-compatible alternatives such as the SN74HCT157 or SN74HC157, ensuring voltage level compatibility. Verify that any substitute maintains the same TSSOP-16 package and electrical characteristics. Consult manufacturer cross-reference guides for qualified replacements that meet the same functional specifications.