SN74CBTS6800DWR

Overview

The SN74CBTS6800DWR is a 10-bit FET bus switch manufactured by Texas Instruments, housed in a 24-pin SOIC (DW) package. It operates on a single supply voltage ranging from 4 V to 5.5 V and supports an operating temperature range of -40°C to 85°C. The device features TTL-compatible input levels and includes Schottky diodes on the I/Os to clamp undershoots up to -2 V. It provides bidirectional switching with near-zero propagation delay and precharges the B port to a user-selectable bias voltage to minimize live-insertion noise.

Feature Summary

• Features ten bits of high-speed bus switching with low on-state resistance for bidirectional connections.
• Includes Schottky diodes on the I/Os to clamp signal undershoots.
• Precharges the B port to a user-selectable bias voltage to minimize live-insertion noise.

Applications

• High-speed data bus switching applications
• Live insertion scenarios requiring minimized noise
• Bidirectional data path routing

Procurement Notes

Verify the specific package type and tape-and-reel quantity against the official datasheet before procurement. Confirm that the ordering suffix matches the required packaging format. Ensure compatibility with the intended supply voltage and temperature range specifications.

Selection Notes

Select this component when a 10-bit bus switch with TTL-compatible inputs and Schottky clamping is required. Consider the 24-pin SOIC package dimensions and the single-supply operation range. Evaluate the need for precharged outputs to handle live-insertion conditions effectively.

Part Context

This part belongs to the SN74CBTS6800 series of 10-bit FET bus switches. It is designed for applications requiring high-speed data transfer with minimal distortion. The device integrates Schottky diodes for protection and precharge functionality for noise reduction during live insertion events.

Replacement Considerations

Check for direct pin-to-pin replacements within the same family or similar 10-bit bus switches with comparable electrical characteristics. Verify package compatibility and ensure that any substitute meets the required voltage and temperature specifications.

FAQ

What is the function of the BIASV pin?

The BIASV pin allows the user to select a bias voltage to which the B port is precharged when the switch is disabled, minimizing live-insertion noise.

How does the device handle signal undershoots?

The SN74CBTS6800 incorporates Schottky diodes on the I/Os to clamp undershoots up to -2 V, protecting the device and reducing signal distortion.