SN74LVC2G157DCT3

Overview

The SN74LVC2G157DCT3 is a dual data selector/multiplexer manufactured by Texas Instruments. It operates on a single power supply ranging from 1.65V to 5.5V. The device features low ON resistance and supports high-speed switching with low propagation delay. It is designed for portable applications due to its low power consumption. The component utilizes a SC-70 or SOT-353 package, suitable for surface-mount assembly.

Feature Summary

• Dual independent multiplexing channels
• Low ON resistance for efficient signal transmission
• High-speed operation capabilities
• Low power consumption design

Applications

• Portable consumer electronics
• Battery-powered systems
• Data routing in communication devices

Procurement Notes

Verify the specific package variant (SC-70 or SOT-353) as the DCT3 suffix may denote different physical dimensions depending on the manufacturing revision. Confirm RoHS compliance status through the official datasheet. Ensure the operating voltage range matches your system requirements before integration.

Selection Notes

Select this component when dual-channel multiplexing is required in space-constrained designs. Consider the voltage compatibility between logic levels. Evaluate the propagation delay specifications against your timing requirements. Compare pinout configurations with existing PCB layouts to ensure mechanical fit.

Part Context

This part belongs to the 74LVC family of logic ICs, known for low voltage CMOS technology. It serves as a compact solution for signal selection tasks. The LVC series offers performance improvements over older HC/HCT families while maintaining compatibility.

Replacement Considerations

Check for direct substitutes within the same LVC family. Verify pin-to-pin compatibility if replacing with similar parts from other manufacturers. Ensure electrical characteristics such as drive strength and speed meet or exceed original specifications.