SN74AHC157DR

Signal Switches, Multiplexers, Decoders Overview

The SN74AHC157DR is a quadruple 2-line to 1-line data selector manufactured by Texas Instruments. It belongs to the AHC logic series and features four independent multiplexers within a single package. The device operates with a supply voltage range of 2 V to 5.5 V and supports surface-mount installation in a 16-pin TVSOP package. It functions across an extended temperature range from -40°C to +125°C, ensuring reliable performance in demanding environments.

Signal Switches, Multiplexers, Decoders Feature Summary

• Integrates four independent 2-to-1 data selectors for parallel signal routing
• Enables high-speed data selection with low propagation delay characteristics
• Supports wide operating voltage range for flexible system integration

Signal Switches, Multiplexers, Decoders Applications

• Data routing in embedded control systems
• Signal selection in industrial automation interfaces
• Input multiplexing for microcontroller peripheral management

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the exact suffix DR against the manufacturer's current datasheet to confirm the TVSOP-16 package type and lead-free status. Ensure the component meets specific automotive or industrial qualification requirements if applicable, as standard commercial grades may differ from qualified variants. Cross-reference the ordering information with official Texas Instruments documentation to avoid substitution errors.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when multiple data sources require simultaneous selection into a common bus. The AHC series offers improved speed over standard HC logic while maintaining CMOS power efficiency. Consider the TVSOP package constraints regarding thermal dissipation and PCB space. Verify input voltage levels match the system logic standards to ensure proper switching thresholds.

Signal Switches, Multiplexers, Decoders Part Context

This part is part of the SN74AHC157 family of quad multiplexers. It shares functional compatibility with other members like SN74AHC157N and SN74AHC157DGVR, differing primarily in packaging and manufacturing lot specifications. The AHC series represents an advancement in speed and power consumption compared to legacy 74HC devices.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN74AHC157DGVR (TVSOP-16), SN74AHC157DRG4 (Lead-free variant). Verify pinout compatibility before substitution.