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MAX809SEXR+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX809SEXR+T

Manufacturer: MAXIM

3-Pin Microprocessor Reset Circuits

Partnumber Manufacturer Quantity Availability
MAX809SEXR+T MAXIM 1796 In Stock

Description and Introduction

3-Pin Microprocessor Reset Circuits The **MAX809SEXR+T** is a microprocessor reset circuit manufactured by **Maxim Integrated (now part of Analog Devices)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:**  
  - 2.63V, 2.93V, 3.08V, 4.38V, 4.63V (factory-set)  
- **Reset Timeout Period:** 140ms (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-3  
- **Output Type:** Active-low, push-pull  
- **Quiescent Current:** 5µA (typical)  

### **Descriptions:**
- The MAX809SEXR+T is a low-power voltage monitor designed to provide a reset signal to microprocessors or other digital systems during power-up, power-down, or brownout conditions.  
- It ensures reliable system operation by holding the reset signal active until the supply voltage stabilizes.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures accurate reset thresholds.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **No External Components Required:** Simplifies circuit design.  
- **Guaranteed Reset Output Valid Down to VCC = 1V:** Ensures proper reset even at low voltages.  
- **Small Form Factor:** Available in a compact SOT-23-3 package.  

This device is commonly used in embedded systems, industrial controls, and consumer electronics for reliable power management.

Application Scenarios & Design Considerations

3-Pin Microprocessor Reset Circuits

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