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MAX693EJE from MAX,MAXIM - Dallas Semiconductor

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MAX693EJE

Manufacturer: MAX

Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX693EJE MAX 4 In Stock

Description and Introduction

Microprocessor Supervisory Circuits The MAX693EJE is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Here are the key specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
Maxim Integrated  

### **Specifications:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5%  
- **Reset Timeout Period:** Adjustable (200ms min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 8-pin SOIC (EJE)  
- **Low Supply Current:** 40μA (typical)  

### **Descriptions:**  
The MAX693EJE is a low-power μP supervisory circuit designed to monitor system power supplies and provide a reset signal to the microprocessor during power-up, power-down, or brownout conditions. It ensures reliable system operation by preventing code execution errors during unstable voltage conditions.  

### **Features:**  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Battery Backup Switchover:** Automatically switches to backup battery when main power fails.  
- **Low-Voltage Detection:** Monitors VCC and asserts reset if voltage falls below threshold.  
- **Power-Fail Comparator:** Provides early warning for impending power loss.  
- **Watchdog Timer:** Resets the μP if software fails to toggle within a set time.  

For detailed electrical characteristics and application notes, refer to the official Maxim Integrated datasheet.

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuits

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