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MAX821SUS-T from MAX,MAXIM - Dallas Semiconductor

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MAX821SUS-T

Manufacturer: MAX

4-Pin レP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay

Partnumber Manufacturer Quantity Availability
MAX821SUS-T,MAX821SUST MAX 7500 In Stock

Description and Introduction

4-Pin レP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay The MAX821SUS-T is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Factory-set (1.6V, 2.2V, 2.7V, 3.0V, 4.2V, 4.5V)  
- **Reset Timeout Period:** 140ms (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-143  
- **Low Quiescent Current:** 5μA (typ)  

### **Descriptions:**  
The MAX821SUS-T monitors system voltage and provides a reset signal to the microprocessor when the supply voltage drops below a preset threshold. It ensures reliable system operation by preventing erratic behavior during power-up, power-down, or brownout conditions.  

### **Features:**  
- **Precision Voltage Monitoring** for reliable reset operation  
- **Low Power Consumption** (5μA typical)  
- **No External Components Required**  
- **Guaranteed Reset Valid Down to VCC = 1V**  
- **Small SOT-143 Package** for space-constrained applications  

This device is commonly used in battery-powered systems, embedded controllers, and critical microprocessor-based applications.  

(Source: Maxim Integrated datasheet)

Application Scenarios & Design Considerations

4-Pin レP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay

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