SN74CB3Q3305PWRE4

Overview

The SN74CB3Q3305PWRE4 is a dual FET bus switch manufactured by Texas Instruments, designed for low-voltage applications operating at 2.5-V and 3.3-V supplies. It features high-bandwidth signal transmission capabilities within an 8-TSSOP package. The device supports an extended industrial temperature range from -40°C to +85°C. This component serves as a robust solution for managing data lines in portable electronics and communication interfaces requiring efficient signal routing.

Feature Summary

• Dual FET architecture providing independent control of two signal paths
• High-bandwidth performance suitable for fast digital signaling
• Low-voltage operation optimized for 2.5-V and 3.3-V systems

Applications

• Portable consumer electronics
• Communication interface signal routing
• Battery-powered devices

Procurement Notes

Verify the specific ordering suffix 'E4' corresponds to the required lead-free and RoHS-compliant configuration. Confirm that the TSSOP-8 package dimensions match the target PCB footprint. Ensure the voltage ratings align with the system's power supply rails before finalizing procurement specifications.

Selection Notes

Select this component when dual-channel switching is required in space-constrained designs. It is appropriate for systems utilizing 2.5-V or 3.3-V logic levels. Consider the high-bandwidth characteristic if signal integrity is critical for the application speed.

Part Context

This part belongs to the SN74CB3Q series of bus switches. It shares functional similarities with other dual-channel switches but is distinguished by its specific low-voltage optimization and packaging. The series is commonly used in modern electronic designs prioritizing power efficiency and signal fidelity.

Replacement Considerations

Check for direct pin-compatible alternatives within the same family. Verify electrical parameters such as on-resistance and propagation delay against the original design requirements.