FM3570MT20X

Specialized ICS Overview

The FM3570MT20X is a CPU configuration controller designed for microprocessor VID applications. It functions as a register and multiplexer, enabling programmable control of processor voltage identification signals. The component is housed in a 20-TSSOP surface-mount package. It features an internal non-volatile latch that retains data, requiring approximately 10 ms to update its state and reflect changes on the outputs.

Specialized ICS Feature Summary

• Integrates register and multiplexer functionality for microprocessor VID configuration
• Includes internal non-volatile latch for persistent data retention
• Supports programmable operation for flexible system design

Specialized ICS Applications

• Microprocessor voltage identification (VID) configuration
• CPU configuration controller circuits
• System-on-module voltage setting logic

Specialized ICS Procurement Notes

Verify the exact datasheet version and manufacturer specifications directly from Fairchild Semiconductor or authorized distributors. Confirm package integrity and pinout compatibility with your PCB layout before procurement. Ensure the component meets your specific environmental and operational requirements by checking the official documentation for any updates or revisions.

Specialized ICS Selection Notes

Select this component when a dedicated solution for CPU VID configuration via a register and multiplexer interface is required. Consider the 20-TSSOP package size constraints and the need for non-volatile data retention in your design. Evaluate the 10 ms update time of the internal latch against your system's timing requirements for voltage switching.

Specialized ICS Part Context

This part belongs to the family of specialized ICs for microprocessor support, specifically targeting voltage identification and configuration tasks. It serves as a bridge between system controllers and processor voltage settings, ensuring accurate power delivery during initialization and runtime operations within computing platforms.

Specialized ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference options through official manufacturer channels or authorized distributor databases to ensure functional and pin-compatible alternatives.