SN74CBT3125CPWRE4

Overview

The SN74CBT3125CPWRE4 is a digital bus switch IC from the SN74CBT3125C series manufactured by Texas Instruments. It features four independent single-pole single-throw (SPST) switches in a 14-pin TSSOP package. The device operates with a supply voltage range of 4 V to 5.5 V and supports a maximum operating temperature of +85°C. Key electrical specifications include a maximum on-resistance of 12 Ohms and a maximum propagation delay of 150 ps. The component is RoHS compliant and designed for surface-mount installation.

Feature Summary

• Provides four independent SPST switches for signal routing
• Supports high-speed data transmission with low propagation delay
• Operates within a wide supply voltage range up to 5.5 V
• Features low on-resistance for efficient signal conduction

Applications

• Portable applications requiring low power consumption
• Consumer electronics utilizing ABT technology
• Computing and peripheral equipment bus switching
• Telecommunications infrastructure signal routing

Procurement Notes

Verify the complete part number including the suffix RE4 to ensure correct packaging configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Check for any specific environmental or handling requirements defined in the datasheet. Ensure compatibility with existing board design constraints regarding the TSSOP-14 footprint and thermal management needs.

Selection Notes

Select this component when designing systems requiring ABT technology for improved performance over standard CMOS logic. Consider the 12 Ohm on-resistance and 150 ps delay for high-speed signal integrity requirements. Evaluate the 4 V to 5.5 V supply range against system power rails. The TSSOP-14 package offers a compact solution for space-constrained designs compared to larger packages.

Part Context

This device belongs to the SN74CBT3125C family, which utilizes Advanced BiCMOS Technology (ABT). This technology combines the speed of bipolar processes with the low power consumption of CMOS. The family is designed for high-performance bus switching applications where signal integrity and power efficiency are critical. The CPWRE4 designation indicates the specific tape and reel packaging variant.

Replacement Considerations

Consult the manufacturer's official replacement guide for verified substitutes. Generic equivalents may not match the specific ABT technology characteristics or electrical parameters. Verify pinout compatibility and functional equivalence before substitution.