The MAX809JW is a precision microprocessor (μP) reset circuit developed by NXP Semiconductors, designed to monitor power supplies in μP and digital systems. It provides a significant level of system reliability and accuracy required for managing the power-on reset function of a μP when power is initially applied to a system.

Key Features

• Reset Threshold Voltage: The device has a preset threshold voltage that ensures a proper reset signal is provided to the μP during power-up, power-down, or brown-out conditions.
• Reset Timeout: It offers a 140 ms minimum power-on reset timeout which gives the system adequate time to stabilize before the processor starts operating.
• Low Power Consumption: Designed for low power consumption, the MAX809JW is ideal for use in portable and battery-operated equipment.
• Wide Operating Temperature Range: The device is functional over a broad temperature range, making it suitable for various industrial applications.

Applications

The MAX809JW is versatile and can be used in a variety of applications, including:

• Computers and Controllers
• Intelligent Instruments
• Portable/Battery-Powered Equipment
• Embedded Systems

Package and Quality

This reset circuit comes in a compact SOT-23 package, which is beneficial for space-constrained applications. It is also RoHS compliant, ensuring adherence to environmental standards and regulations.

Technical Specifications

With its robust design and reliable performance, the MAX809JW from NXP is a dependable choice for system designers looking to ensure the integrity of their μP systems during power variations.