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MAX809SEUR from MAXIM,MAXIM - Dallas Semiconductor

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MAX809SEUR

Manufacturer: MAXIM

3-Pin Microprocessor Reset Circuits

Partnumber Manufacturer Quantity Availability
MAX809SEUR MAXIM 33455 In Stock

Description and Introduction

3-Pin Microprocessor Reset Circuits The MAX809SEUR 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  
- **Series:** MAX809  
- **Package:** SOT-143-4  
- **Type:** Voltage Monitor  
- **Output Type:** Active-Low, Push-Pull  
- **Number of Voltages Monitored:** 1  
- **Reset Threshold Voltage:** 2.93V (for MAX809SEUR-T)  
- **Reset Timeout Period:** 140ms (min)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Quiescent Current:** 6μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX809SEUR is a low-power microprocessor voltage monitor designed to monitor system power supplies and provide a reset signal to the μP during power-up, power-down, or brownout conditions. It ensures proper system operation by holding the μP in reset until the supply voltage stabilizes.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Low Power Consumption:** Only 6μA typical supply current.  
- **No External Components Required:** Simplifies circuit design.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reset assertion even at very low voltages.  
- **Push-Pull RESET Output:** No external pull-up resistor needed.  
- **140ms Minimum Reset Pulse Width:** Provides sufficient time for system stabilization.  
- **Available in Multiple Threshold Voltages:** Options for different system requirements.  

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

Application Scenarios & Design Considerations

3-Pin Microprocessor Reset Circuits

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