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MAX817LCPA from MAXIM,MAXIM - Dallas Semiconductor

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MAX817LCPA

Manufacturer: MAXIM

+5V microprocessor supervisory circuit. Reset threshold 4.65V, active-low reset, backup-battery switchover, power-fail comparator, watchdog input, battery freshness seal.

Partnumber Manufacturer Quantity Availability
MAX817LCPA MAXIM 2500 In Stock

Description and Introduction

+5V microprocessor supervisory circuit. Reset threshold 4.65V, active-low reset, backup-battery switchover, power-fail comparator, watchdog input, battery freshness seal. The MAX817LCPA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Factory-set (e.g., 4.63V, 4.38V, 3.08V, 2.93V, 2.63V, 2.32V, etc.)  
- **Reset Timeout Period:** 140ms (min), 280ms (typ)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Quiescent Current:** 6μA (typ)  
- **Output Type:** Active-low, push-pull RESET  

### **Descriptions:**
- The MAX817LCPA monitors system voltage and generates a reset signal when the supply voltage drops below a preset threshold.  
- It ensures proper μP initialization during power-up, power-down, and brownout conditions.  
- The device features a manual reset input for external triggering.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset generation.  
- **Low Power Consumption:** Ideal for battery-powered systems.  
- **Manual Reset Input:** Allows external system reset control.  
- **No External Components Required:** Simplifies circuit design.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures functionality even at low voltages.  

For exact threshold options and additional details, refer to the manufacturer's datasheet.

Application Scenarios & Design Considerations

+5V microprocessor supervisory circuit. Reset threshold 4.65V, active-low reset, backup-battery switchover, power-fail comparator, watchdog input, battery freshness seal.

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