SN74CB3T3125PWG4

Overview

The SN74CB3T3125PWG4 is a quad FET bus switch 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 features low on-resistance and low leakage current, ensuring signal integrity in high-speed digital applications. It is housed in a 14-pin TSSOP package suitable for surface-mount assembly.

Feature Summary

• Provides four independent bidirectional bus switches for flexible signal routing
• Supports low-voltage operation compatible with 2.5-V and 3.3-V systems
• Features low on-resistance to minimize signal attenuation
• Offers low leakage current to maintain power efficiency

Applications

• Portable equipment requiring low-power signal switching
• Consumer electronics utilizing low-voltage logic interfaces
• Computing and infotainment systems needing bus isolation
• Telecommunications infrastructure components

Procurement Notes

Verify the specific suffix G4 indicates lead-free and RoHS compliance status against the manufacturer's latest documentation. Confirm the package type matches the design requirements. Check availability as distribution status may vary. Ensure the operating temperature range meets the environmental specifications of the target application.

Selection Notes

Select this component when designing circuits that require multiple bidirectional switches in a compact form factor. It is suitable for applications demanding low power consumption and compatibility with standard low-voltage logic families. Consider the TSSOP-14 package constraints regarding PCB space and thermal management during the layout phase.

Part Context

This part belongs to the SN74CB3T3125 family of low-voltage quadruple FET bus switches. The family is designed for high-speed data transfer in portable and consumer electronic devices. The 'G4' suffix typically denotes lead-free packaging and compliance with specific environmental directives defined by Texas Instruments.

Replacement Considerations

Direct replacements include SN74CB3T3125PW and SN74CB3T3125PWR from Texas Instruments. Verify pinout and electrical characteristics match before substitution. Other manufacturers may offer functionally equivalent parts, but parameter verification is required.