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MAX817MCSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX817MCSA

Manufacturer: MAXIM

+5V microprocessor supervisory circuit. Reset threshold 4.40V, active-low reset, backup-battery switchover, power-fail comparator, watchdog input, battery freshness seal.

Partnumber Manufacturer Quantity Availability
MAX817MCSA MAXIM 3 In Stock

Description and Introduction

+5V microprocessor supervisory circuit. Reset threshold 4.40V, active-low reset, backup-battery switchover, power-fail comparator, watchdog input, battery freshness seal. The MAX817MCSA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor Supervisory Circuit  
- **Package:** 8-Pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (over temperature)  
- **Reset Timeout Period:** Adjustable or fixed (depending on variant)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** Typically 5µA (low power consumption)  

### **Descriptions:**
- The MAX817MCSA monitors system voltage levels and provides a reset signal to the microprocessor if the voltage drops below a preset threshold.  
- It ensures reliable system operation by preventing erratic behavior during power-up, power-down, or brownout conditions.  
- The device is designed for low-power applications and offers precision monitoring for 3V, 3.3V, and 5V systems.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures accurate reset triggering.  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Low Quiescent Current:** Ideal for battery-powered systems.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  
- **Guaranteed Reset Output Valid Down to VCC = 1V:** Ensures reliable operation even at low voltages.  
- **No External Components Required:** Simplifies circuit design.  

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

Application Scenarios & Design Considerations

+5V microprocessor supervisory circuit. Reset threshold 4.40V, active-low reset, backup-battery switchover, power-fail comparator, watchdog input, battery freshness seal.

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