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MAX809REXR+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX809REXR+T

Manufacturer: MAXIM

3-Pin Microprocessor Reset Circuits

Partnumber Manufacturer Quantity Availability
MAX809REXR+T MAXIM 2200 In Stock

Description and Introduction

3-Pin Microprocessor Reset Circuits The MAX809REXR+T is a microprocessor reset circuit manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Reset Threshold Voltage Options:** Available in multiple variants (e.g., 2.63V, 3.08V, 4.38V, etc.).  
- **Operating Voltage Range:** 1.2V to 5.5V.  
- **Reset Timeout Period:** 140ms (minimum).  
- **Quiescent Current:** 5µA (typical).  
- **Output Type:** Active-low, push-pull.  
- **Temperature Range:** -40°C to +85°C.  
- **Package:** SOT-23-3.  

### **Descriptions:**  
- The MAX809REXR+T is a **low-power voltage monitor** designed to reset microprocessors during power-up, power-down, or brownout conditions.  
- It ensures reliable system operation by holding the reset signal active until the supply voltage stabilizes.  
- The device features a manual reset input (if applicable in some variants).  

### **Features:**  
- **Precision Monitoring:** Accurate voltage supervision for microcontrollers.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **No External Components Required:** Simplifies circuit design.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures proper reset even at low voltages.  
- **Small Form Factor:** SOT-23-3 package for space-constrained designs.  

For exact threshold voltage and additional details, refer to the **MAXIM datasheet** or product page.

Application Scenarios & Design Considerations

3-Pin Microprocessor Reset Circuits

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