SN74CB3T3253PWR

Overview

The SN74CB3T3253PWR is a dual 1-of-4 FET multiplexer/demultiplexer from Texas Instruments, operating on a single supply voltage between 2.3 V and 3.6 V. It features a maximum on-resistance of 8 Ohms and typical capacitance of 5 pF. The device supports data rates up to 100 MHz with propagation delays of 6.7 ns (max) and transition times of 6.1 ns (max). It functions within an industrial temperature range of -40°C to +85°C and is housed in a TVSOP-16 package.

Feature Summary

• Dual 1-of-4 FET multiplexer/demultiplexer configuration
• Low-voltage operation compatible with 2.5-V and 3.3-V systems
• High-bandwidth signal switching capability
• Powered-off protection for signal paths

Applications

• Portable equipment requiring low-power bus switching
• Consumer electronics utilizing high-speed data lines
• Industrial control systems needing reliable signal routing
• Communication infrastructure for signal path translation

Procurement Notes

Verify the specific suffix 'PWR' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the TVSOP-16 footprint matches the target PCB design guidelines. Ensure the component meets RoHS compliance standards relevant to the manufacturing region. Cross-reference the manufacturer's latest datasheet revision to validate electrical characteristics against current production batches.

Selection Notes

Select this component when a dual-channel multiplexing solution is required for low-voltage digital signals. It is suitable for applications demanding high bandwidth and low insertion loss. Consider the TVSOP-16 package constraints regarding board space and thermal dissipation. Evaluate the 2.3 V to 3.6 V supply range compatibility with the system's power architecture before integration.

Part Context

This part belongs to the SN74CB3T3253 family of high-speed bus switches. It serves as a solid-state alternative to mechanical relays, offering faster switching speeds and longer operational life. The device integrates FET technology to minimize signal distortion while maintaining low power consumption during active and standby states.

Replacement Considerations

SN74CB3Q3253PWR: Automotive-grade variant with similar electrical specifications but enhanced reliability standards for harsh environments.