SN74LS151NSR

Overview

The SN74LS151NSR is an 8-input multiplexer manufactured by Texas Instruments. It operates within a supply voltage range of 4.75V to 5.26V and supports a temperature range of 0°C to 70°C. The device features a single 8-to-1 configuration with CMOS/TTL outputs, housed in a surface-mount package.

Feature Summary

• Provides complete binary decoding for selecting one of eight data sources
• Includes a strobe input that forces standard output high when active

Applications

• Digital circuit design
• Microcontroller system display interfaces
• Implementation of logic functions such as full adders or subtractors

Procurement Notes

Verify the specific suffix 'SR' against official documentation to confirm tape-and-reel packaging details. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Confirm RoHS compliance status through current manufacturer declarations before finalizing procurement plans.

Selection Notes

Select this component for applications requiring an 8-channel data selector with TTL-compatible outputs. Consider the surface-mount form factor for automated assembly processes. Verify that the operating temperature range meets the environmental requirements of the target application.

Part Context

This part belongs to the SN74LS151 series of 8-input multiplexers. It provides a standard solution for routing multiple digital signals to a single output line based on binary address inputs. The LS series offers low power consumption compared to earlier standards while maintaining compatible logic levels.

Replacement Considerations

Check for direct pin-compatible alternatives within the same logic family. Verify if upgraded variants like the HC series offer necessary performance improvements without requiring schematic changes.