SN74CBT3253PW

Overview

The SN74CBT3253PW is a dual 1-of-4 FET multiplexer/demultiplexer switch IC from Texas Instruments. It operates within a supply voltage range of 4 V to 5.5 V, with a typical operating voltage of 5 V. The device features two independent channels, each configured as a 1:4 selector. Key electrical specifications include a maximum on-resistance of 12 ohms, a maximum propagation delay of 6.7 ns, and a maximum turn-off time of 6.1 ns. It supports a bandwidth of 200 MHz and functions reliably across an industrial temperature range from -40°C to +85°C.

Feature Summary

• Dual-channel architecture providing two independent 1-to-4 signal selection paths for efficient data routing.
• High-speed switching performance characterized by low propagation delay and high bandwidth capabilities.
• Low on-resistance design ensures minimal signal attenuation and power loss during active transmission states.

Applications

• Data acquisition systems requiring precise analog or digital signal path selection.
• Portable consumer electronics utilizing battery-powered logic circuits.
• Industrial control interfaces managing multiple sensor inputs through shared processing lines.

Procurement Notes

Verify the package designation matches the SSOP-16 configuration specified for this part number. Confirm that the supply voltage requirements align with the 4 V to 5.5 V operational range. Ensure compatibility with the -40°C to +85°C industrial temperature rating for your specific application environment. Check RoHS compliance status if required by your manufacturing standards.

Selection Notes

Select this component when a dual-channel 1-of-4 multiplexing function is required within a standard 5 V logic family. Consider the SSOP-16 package for surface-mount assembly constraints. Evaluate the 12 ohm on-resistance against your signal integrity requirements. Compare the 6.7 ns delay against system timing budgets to ensure adequate speed for your data rates.

Part Context

This device belongs to the SN74CBT3253C series of high-speed CMOS logic switches. It serves as a specialized solution for signal routing in complex digital and mixed-signal environments. The component integrates multiple switching functions into a compact form factor, reducing board space compared to discrete transistor solutions.

Replacement Considerations

SN74CBT3253DBR offers identical functionality in a different SSOP package variant. SN74CBT3253CRGYR provides the same electrical characteristics in a VQFN-16 package. Verify pinout compatibility and thermal management requirements before substituting these alternative packages.