SN74CB3T3125RGYR

Overview

The SN74CB3T3125RGYR is a quad bus switch manufactured by Texas Instruments, designed for low-voltage digital signal routing. It operates within a supply voltage range of 2.3 V to 3.6 V and features four independent channels in a 14-VQFN package. The device supports bidirectional data transmission with configurable direction control. Key electrical characteristics include a maximum on-resistance of 4 Ohms and a propagation delay of 200 ns. It functions reliably across an industrial temperature range from -40°C to +85°C.

Feature Summary

• Provides four independent bidirectional bus switches for flexible signal routing
• Features low on-resistance to minimize signal attenuation during transmission
• Supports configurable direction control via dedicated input pins
• Designed for operation in low-voltage environments between 2.3 V and 3.6 V

Applications

• Portable equipment requiring low-power signal switching
• Consumer electronics utilizing low-voltage logic interfaces
• Industrial control systems needing reliable bus isolation
• Computing products managing internal data pathways

Procurement Notes

Verify the specific suffix RGYR corresponds to the 14-VQFN package configuration. Confirm RoHS compliance status through official manufacturer documentation. Ensure the component meets moisture sensitivity level requirements for your assembly process. Cross-reference the datasheet revision date to validate technical specifications against current production standards.

Selection Notes

Select this component when designing circuits that require multiple isolated bidirectional paths within a compact footprint. The low on-resistance makes it suitable for maintaining signal integrity in high-speed applications. Consider the 2.3 V to 3.6 V operating range to ensure compatibility with your system's power rails. The VQFN package offers thermal efficiency for dense board layouts.

Part Context

This part belongs to the SN74CB3T3125 family of bus switches from Texas Instruments. It shares functional similarities with other members like the SN74CB3T3125PW but differs in packaging. The series is engineered for low-voltage applications where space and power consumption are critical constraints. It complements other logic devices in mixed-signal designs.

Replacement Considerations

The SN74CB3T3125PWR is a parameter-equivalent alternative available in a TSSOP-14 package. Verify pinout compatibility and package dimensions before substitution. Ensure the replacement maintains the same voltage and performance specifications.