SN74CBT3257CPWR

Overview

The SN74CBT3257CPWR is a low-voltage 4-bit 1-of-2 FET multiplexer/demultiplexer manufactured by Texas Instruments. It operates within a supply voltage range of 2.3 V to 3.6 V and supports bidirectional data transmission across four independent channels. The device utilizes an enhanced FET switch architecture to minimize signal distortion during switching operations. It is housed in a 16-pin TSSOP package designed for surface-mount applications, ensuring compact integration into space-constrained circuit designs.

Feature Summary

• Enhanced FET switch architecture minimizes ON-state resistance and leakage current
• Supports bidirectional data flow between input/output ports
• Operates with low supply voltage requirements for power efficiency

Applications

• Portable consumer electronics requiring low-power signal routing
• Battery-operated devices utilizing single-supply logic levels
• High-density board layouts needing compact multiplexing solutions

Procurement Notes

Verify the specific suffix 'CPWR' against official Texas Instruments documentation to confirm the exact temperature grade and packaging configuration. Ensure compatibility with the target PCB footprint and soldering profile. Cross-reference the manufacturer's latest datasheet revision to validate pinout assignments and electrical characteristics before finalizing procurement orders.

Selection Notes

Select this component when designing systems that require low-voltage operation below standard 5V logic levels. The 4-channel configuration provides sufficient bandwidth for parallel data paths while maintaining minimal signal integrity loss. Consider the TSSOP-16 package dimensions for thermal management and spatial constraints within the final assembly.

Part Context

This part belongs to the SN74CBT3257 family of low-voltage analog switches. It serves as a digital multiplexer solution for modern portable applications where power consumption and signal fidelity are critical. The CBTLV series is engineered to replace older bipolar technologies with superior performance metrics in low-voltage environments.

Replacement Considerations

Consult the Texas Instruments replacement guide for verified equivalents. Verify pin-to-pin compatibility and electrical parameter alignment with alternative manufacturers before substitution.