SN74CBTLV3857DWR

Overview

The SN74CBTLV3857DWR is a digital bus switch IC from Texas Instruments featuring 10-bit FET configuration with pull-down resistors. It operates within a supply voltage range of 3 V to 3.6 V, typically at 3.3 V. The device exhibits a maximum on-resistance of 8 Ohms and a maximum propagation delay of 250 ps. It functions reliably across an operating temperature range of -40°C to +85°C. Packaged in SOIC-24 for surface mount installation, it draws a maximum supply current of 25 uA.

Feature Summary

• Integrates 10-bit low-voltage FET switches with built-in pull-down resistors
• Provides high-speed signal routing with minimal propagation delay
• Supports standard surface mount installation in compact packages

Applications

• Portable equipment requiring low-power signal switching
• Consumer electronics utilizing low-voltage logic interfaces
• Computing products needing efficient bus management

Procurement Notes

Verify the specific ordering suffix DWR confirms the SOIC-24 package and reel packaging format. Ensure the component meets RoHS compliance requirements for your assembly process. Confirm that the 3.3 V nominal supply voltage aligns with your system design specifications before procurement.

Selection Notes

Select this component when a 10-bit wide bus switch is required with integrated pull-down functionality. The low on-resistance and fast propagation delay make it suitable for high-frequency data lines. Verify that the SOIC-24 package dimensions fit your PCB layout constraints and thermal requirements.

Part Context

This part belongs to the SN74CBTLV3857 series of digital bus switches. It is designed for low-voltage applications, offering efficient signal path control. The series supports various interface standards common in modern electronic devices, ensuring compatibility with standard logic families.

FAQ

What is the function of the pull-down resistors?

The integrated pull-down resistors ensure defined logic states when the switches are off, preventing floating inputs.

Is this component automotive qualified?

No, the SN74CBTLV3857DWR is rated for commercial temperatures (-40°C to +85°C) and lacks automotive qualification markings.