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MAX691AEWE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX691AEWE+

Manufacturer: MAXIM

Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX691AEWE+,MAX691AEWE MAXIM 1 In Stock

Description and Introduction

Microprocessor Supervisory Circuits The **MAX691AEWE+** is a microprocessor (μP) supervisory circuit manufactured by **Maxim Integrated**. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor Supervisory Circuit  
- **Package:** 16-SOIC (0.295", 7.50mm Width)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Voltage Options:** Adjustable or Fixed (Factory Set)  
- **Reset Timeout Period:** 200ms (Typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Watchdog Timer:** Yes (Programmable)  
- **Manual Reset Input:** Yes  
- **Battery Backup Switch:** Yes  
- **Low Quiescent Current:** Typically 5μA  

### **Descriptions:**
The MAX691AEWE+ is designed to monitor power supply voltages in microprocessor-based systems. It ensures proper system operation by generating a reset signal during power-up, power-down, or brownout conditions. It includes a watchdog timer, manual reset input, and battery backup switching for CMOS RAM or real-time clock (RTC) backup.

### **Features:**
- **Voltage Monitoring:** Monitors VCC for undervoltage conditions.  
- **Battery Backup Switching:** Automatically switches to backup battery when primary power fails.  
- **Watchdog Timer:** Resets the system if the watchdog is not toggled within a set time.  
- **Manual Reset Input:** Allows for external system reset.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Adjustable Reset Threshold:** Can be configured for different voltage levels.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuits

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