74CB3T3306DCURE4

Overview

The SN74CB3T3306DCURE4 is a dual FET bus switch manufactured by Texas Instruments, housed in an 8-VSSOP package. It operates within a supply voltage range of 2.3 V to 3.6 V and supports bidirectional data transmission. The device features low on-resistance and high bandwidth for efficient signal routing. It functions with a low-enable control input and is rated for industrial temperatures from -40°C to +85°C.

Feature Summary

• Dual FET architecture enabling independent control of two bidirectional channels
• Low-voltage operation compatible with 2.5-V and 3.3-V systems
• High-bandwidth performance suitable for high-speed data switching applications

Applications

• Portable consumer electronics requiring low-power signal routing
• Battery-powered devices utilizing 2.5-V or 3.3-V logic levels
• Data acquisition systems needing bidirectional bus isolation

Procurement Notes

Verify the complete part number including the suffix 'CURE4' to ensure compliance with RoHS standards and lead-free specifications. Confirm the VSSOP-8 package variant matches the design footprint requirements. Cross-reference the manufacturer's latest datasheet for any pinout updates or environmental certifications before finalizing procurement orders.

Selection Notes

Select this component when designing circuits that require low-voltage signal switching between 2.5-V and 3.3-V domains. The dual-channel configuration is ideal for compact layouts where space is limited. Ensure the application does not exceed the maximum operating temperature of 85°C or the supply voltage limits defined in the official specifications.

Part Context

This device belongs to the SN74CB3T3306 series of digital bus switches. It is part of Texas Instruments' broader portfolio of low-voltage logic products designed for portable and battery-operated applications. The specific 'CURE4' suffix indicates a lead-free, RoHS-compliant version in the VSSOP package.

Replacement Considerations

SN74CB3T3306DCUR

FAQ

What is the control logic level for enabling the switches?

The switches are enabled when the control input is at a low logic level.

Is the data flow bidirectional?

Yes, the internal FETs support bidirectional data transmission between the A and B ports.