The QS3389QX, manufactured by IDT (Integrated Device Technology Inc), is a high-speed CMOS bus switch designed for applications needing isolation and switching of data buses. It features low on-resistance and minimal propagation delay, making it suitable for systems where signal integrity and speed are paramount. The device allows for efficient switching between different bus segments while maintaining signal quality.

Applications

• Data bus switching
• Bus isolation
• Memory interfacing
• Networking equipment
• Peripheral selection

Features

• Low On-Resistance: Ensures minimal signal attenuation and distortion during switching.
• Fast Switching Speed: Reduces propagation delay, improving system performance.
• Bi-Directional Signal Path: Enables data flow in either direction.
• Low Power Consumption: CMOS technology ensures energy efficiency.
• TTL-Compatible Control Inputs: Allows easy interfacing with TTL logic levels.
• Available in QSOP Package: Provides a compact footprint.

Benefits

• Improved Signal Integrity: The low on-resistance minimizes signal loss during switching.
• Enhanced System Performance: High switching speed allows for fast data transfer.
• Increased Design Flexibility: Bi-directional data flow simplifies routing.
• Reduced Power Consumption: Low power dissipation makes it suitable for portable devices.
• Easy Integration: TTL-compatible inputs simplify interfacing with other components.
• Smaller Board Size: QSOP Package allows for denser board layouts.

Additional Details

The QS3389QX typically operates from a supply voltage of 3.3V or 5V. It offers enable and disable control functions, allowing for the isolation of bus segments when required. The operating temperature range is typically from -40°C to +85°C. The device’s architecture allows for quick switching characteristics, suitable for high-speed data applications.