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MAX820MCSE from MAXIM,MAXIM - Dallas Semiconductor

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MAX820MCSE

Manufacturer: MAXIM

Microprocessor and non-volatile metory supervisory circuit. Reset threshold 4.37V. Reset and low-line threshold accuracy +-2%

Partnumber Manufacturer Quantity Availability
MAX820MCSE MAXIM 1241 In Stock

Description and Introduction

Microprocessor and non-volatile metory supervisory circuit. Reset threshold 4.37V. Reset and low-line threshold accuracy +-2% The MAX820MCSE is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX820MCSE  
- **Package:** 16-SOIC (150 mils)  
- **Type:** Microprocessor Supervisor  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (typical)  
- **Reset Timeout Period:** Adjustable or fixed (depends on variant)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX820MCSE is a precision voltage monitor designed to ensure proper operation of microprocessors and digital systems. It provides a reset signal to the μP when the supply voltage drops below a preset threshold, preventing erratic behavior during power-up, power-down, or brownout conditions.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset operation with tight threshold accuracy.  
- **Low Quiescent Current:** Typically 5μA, making it suitable for battery-powered applications.  
- **Manual Reset Input:** Allows for external pushbutton reset control.  
- **Power-Fail Comparator:** Provides early warning of impending power loss.  
- **Wide Operating Voltage Range:** Supports systems from 1.2V to 5.5V.  
- **Guaranteed Reset Output Valid Down to VCC = 1V:** Ensures proper reset even at very low voltages.  

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

Application Scenarios & Design Considerations

Microprocessor and non-volatile metory supervisory circuit. Reset threshold 4.37V. Reset and low-line threshold accuracy +-2%

Alternative Part Number

  • ADM8691ARNZ --: Pin-compatible microprocessor supervisory circuit with reset and watchdog functions, direct functional replacement for the MAX820 series.
  • DS1232LPS --: Microprocessor supervisor with reset and watchdog in the same function class, widely used as a drop-in substitute.
  • TPS3705-33DR --: Supervisory circuit offering reset and watchdog timing functions suitable for replacing the MAX820 in monitoring applications.
  • ADM8691ARWZ --: Supervisory/MPU reset IC with similar voltage monitoring and reset functions; Analog Devices is the current owner of Maxim products, so it is a close functional replacement.
  • MC33064D-5G --: Simple 5V voltage supervisor/reset IC in SOIC, offering basic reset functionality at lower cost when full feature set is not required.

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