SN74LVC157ANSR

Overview

The SN74LVC157ANSR is a quad 2-input data selector/multiplexer from the Texas Instruments LVC logic series. It operates within a supply voltage range of 1.65 V to 3.6 V and features four independent circuits in a 16-pin SOIC package. The device exhibits a propagation delay of 7 ns and supports surface-mount installation. It functions reliably across an extended temperature range from -40°C to +125°C, ensuring stable performance in demanding electronic environments.

Feature Summary

• Integrates four independent 2-to-1 multiplexers for efficient signal routing
• Supports low-voltage operation down to 1.65 V for power-sensitive designs
• Provides high-speed data selection with 7 ns propagation delay
• Operates reliably across an extended industrial temperature range

Applications

• Data routing in embedded systems
• Signal selection in communication interfaces
• Input multiplexing in microcontroller peripheral expansion

Procurement Notes

Verify the specific ordering suffix 'ANSR' corresponds to the SOIC-16 package and tape-and-reel packaging configuration. Confirm RoHS compliance status and manufacturer lot codes upon receipt. Ensure compatibility with standard surface-mount assembly processes. Validate that the component meets the required electrical specifications for the target application environment before integration.

Selection Notes

Select this component when designing systems requiring multiple independent signal paths with low voltage operation. The LVC series offers improved speed over older standards while maintaining compatibility with 3.3 V logic levels. Consider the 16-pin SOIC package for PCB space constraints. Verify thermal requirements against the specified operating temperature range for reliable long-term performance.

Part Context

This part belongs to the SN74LVC157A family of multiplexers. It shares functional similarities with other LVC series devices but is optimized for low-voltage applications. The 'A' variant typically indicates enhanced specifications or updated manufacturing processes compared to earlier versions. It serves as a direct replacement for legacy 74LS157 equivalents in modern low-power designs.

Replacement Considerations

SN74ALS157ANSR is a documented alternative within the same product category, though it operates at different voltage levels.