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MAX821PUS-T from MAXIM,MAXIM - Dallas Semiconductor

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MAX821PUS-T

Manufacturer: MAXIM

Microprocessor voltage monitor with pin-selectable power-on reset timeout delay (1ms,max, 20ms,min or 100ms,min). Reset threshold(nom) 4.00V. Active-low reset output.

Partnumber Manufacturer Quantity Availability
MAX821PUS-T,MAX821PUST MAXIM 2061 In Stock

Description and Introduction

Microprocessor voltage monitor with pin-selectable power-on reset timeout delay (1ms,max, 20ms,min or 100ms,min). Reset threshold(nom) 4.00V. Active-low reset output. The MAX821PUS-T is a microprocessor supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX821PUS-T  
- **Package:** SOIC-8  
- **Type:** Microprocessor Supervisory Circuit  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (typical)  
- **Reset Timeout Period:** Adjustable or fixed (depending on variant)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Output Type:** Active-Low Reset  

### **Descriptions:**  
The MAX821PUS-T is designed to monitor microprocessor power supplies and provide a reset signal during power-up, power-down, or brownout conditions. It ensures reliable system operation by preventing erratic behavior due to unstable voltage conditions.  

### **Features:**  
- Low quiescent current (typically 5µA)  
- Precision voltage monitoring for 3V, 3.3V, and 5V systems  
- Manual reset input option (if applicable)  
- Guaranteed reset output valid down to VCC = 1V  
- No external components required for basic operation  
- Available in small SOIC-8 package  

For exact details, refer to the official Maxim Integrated datasheet.

Application Scenarios & Design Considerations

Microprocessor voltage monitor with pin-selectable power-on reset timeout delay (1ms,max, 20ms,min or 100ms,min). Reset threshold(nom) 4.00V. Active-low reset output.

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