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MAX791CSE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX791CSE+

Manufacturer: MAXIM

Microprocessor Supervisory Circuit

Partnumber Manufacturer Quantity Availability
MAX791CSE+,MAX791CSE MAXIM 40 In Stock

Description and Introduction

Microprocessor Supervisory Circuit The **MAX791CSE+** is a microprocessor supervisory circuit manufactured by **Maxim Integrated**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor Supervisor  
- **Package:** 16-SOIC (150 mil)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Voltage:** Adjustable or fixed options  
- **Reset Timeout Period:** Adjustable (typically 200ms)  
- **Watchdog Timer:** Yes, programmable  
- **Backup Battery Switchover:** Yes  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX791CSE+ is a highly integrated microprocessor supervisory circuit designed to monitor power supply voltages, manage system resets, and provide battery backup switching. It ensures reliable system operation by generating a reset signal during power-up, power-down, or brownout conditions. It also includes a watchdog timer to detect software lockups.

### **Features:**
- **Power Supply Monitoring:** Monitors VCC for undervoltage conditions.  
- **Reset Output:** Active-low or active-high reset signal.  
- **Watchdog Timer:** Prevents system lockups by requiring periodic toggling.  
- **Battery Backup Switching:** Automatically switches to backup battery during power failure.  
- **Manual Reset Input:** Allows external reset triggering.  
- **Low Quiescent Current:** Minimizes power consumption in battery backup mode.  
- **Adjustable Reset Threshold:** Customizable for different voltage levels.  

This device is commonly used in embedded systems, industrial controls, and battery-powered applications requiring reliable power management.  

*(Note: Always refer to the official datasheet for detailed specifications and application notes.)*

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuit

Alternative Part Number

  • ADM8696ARWZ --: Pin-compatible microprocessor supervisory circuit with reset, watchdog, and battery switchover functions, direct functional replacement for the MAX791 family.
  • LTC1232CS8 --: Microprocessor supervisory circuit offering reset and watchdog functions in a similar SOIC package, suitable as a functional substitute.
  • DS1232LPS --: Low-power microprocessor monitor with reset and watchdog timing, commonly used as an alternative supervisory IC in similar applications.

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