SN74CBTLV3857DBQR

Overview

The SN74CBTLV3857DBQR is a low-voltage 10-bit FET bus switch manufactured by Texas Instruments. It operates with a single supply voltage ranging from 3 V to 3.6 V and supports SSTL_2 output-enable input levels. The device features one independent circuit configuration within a 24-pin SSOP package. It includes internal pull-down resistors to manage signal states when inactive. This component is designed for efficient data routing in high-speed digital systems requiring low insertion loss and minimal power consumption.

Feature Summary

• Low-voltage operation optimized for 3-V to 3.6-V single supply sources
• Integrated internal pull-down resistors for stable signal management
• Compatible with SSTL_2 output-enable input logic levels
• Compact 24-SSOP surface-mount packaging for space-constrained designs

Applications

• High-speed data bus switching in portable electronic devices
• Memory interface signal routing in consumer electronics
• System-level interconnects requiring low-power signal isolation
• Digital signal path selection in embedded control systems

Procurement Notes

Verify the exact suffix 'DBQR' matches your bill of materials, as it denotes specific tape-and-reel packaging and manufacturing lot codes. Confirm that the 3.6-V maximum supply voltage aligns with your system's power rails. Ensure the SSOP-24 footprint matches your PCB layout constraints. Check for any obsolescence notices or lifecycle status updates directly from Texas Instruments before finalizing procurement plans.

Selection Notes

Select this component when designing circuits that require 10-bit parallel data switching under low-voltage conditions. It is suitable for applications needing SSTL_2 compatibility and integrated pull-down functionality. Consider the 24-SSOP package size relative to available board space. Evaluate thermal performance and signal integrity requirements against the device's specified electrical characteristics for optimal system performance.

Part Context

This part belongs to Texas Instruments' CBTLV series of low-voltage bus switches. The series focuses on providing high-speed signal routing with minimal power consumption. The SN74CBTLV3857 variant specifically offers 10-bit width, distinguishing it from narrower 8-bit or wider configurations within the same family. It serves as a critical interconnect solution in modern digital electronics.

Replacement Considerations

Consult official Texas Instruments documentation for verified cross-reference part numbers. Ensure any substitute maintains identical pinout, voltage range, and functional specifications. Verify package compatibility and electrical parameters before implementation.