The SN74CB3Q3251DGVR is a high-performance, 10-bit FET switch from Texas Instruments designed for the switching of data signals on high-speed buses. It is part of the 74CB series, known for its low on-state resistance and minimal propagation delay, making it an excellent choice for applications requiring efficient data flow and signal integrity.

Key Features

• Low On-State Resistance: The device features a typical on-state resistance of only 5 ohms, which minimizes signal distortion and voltage drop across the switch, thereby ensuring high-quality signal transmission.
• Wide Voltage Range: It operates over a wide voltage range of 2.3 V to 3.6 V, making it compatible with various logic levels and suitable for interfacing with different types of digital circuits.
• Low Power Consumption: This switch is designed for low power consumption, with a quiescent current of only 0.1 µA maximum, which is ideal for power-sensitive applications.
• High-Speed Switching: The SN74CB3Q3251DGVR offers fast switching speeds, with a typical propagation delay of only 0.25 ns, facilitating high-speed data transmission without significant time lag.
• 5-V Tolerant I/O: The inputs and outputs are 5-V tolerant, which allows for seamless integration with mixed-voltage systems and provides additional flexibility in system design.
• ESD Protection: Enhanced electrostatic discharge (ESD) protection is built into the device, ensuring robust performance and increased reliability in harsh environments.

Applications

With its high-speed switching capability and low on-state resistance, the SN74CB3Q3251DGVR is ideally suited for a wide range of applications, including:

• Bus isolation in servers and routers
• Signal gating in data communication systems
• Switching in multiplexers and demultiplexers
• Interface switching for peripheral devices
• Hot-swapping and hot-docking applications

The SN74CB3Q3251DGVR comes in a compact TVSOP (Thin Very Small Outline Package) form factor, with the DGVR suffix indicating a tape and reel packaging option for automated assembly processes. This makes it suitable for high-volume manufacturing and applications where space is at a premium.