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MAX690SESA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX690SESA+

Manufacturer: MAXIM

3.0V/3.3V Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX690SESA+,MAX690SESA MAXIM 18 In Stock

Description and Introduction

3.0V/3.3V Microprocessor Supervisory Circuits The MAX690SESA+ is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage (VCC):** 1.2V to 5.5V  
- **Reset Threshold Voltage Options:** 4.65V, 4.40V, 3.08V, 2.93V, 2.63V, 2.32V  
- **Reset Timeout Period:** 140ms (min), 280ms (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (150mil)  
- **Quiescent Current:** 12μA (typical)  
- **Manual Reset Input:** Active-low (MR)  
- **Watchdog Timer:** 1.6s (typical)  

### **Descriptions:**  
The MAX690SESA+ monitors the power supply voltage of a microprocessor and provides a reset signal if the voltage drops below a preset threshold. It includes a watchdog timer, manual reset input, and power-fail comparator for enhanced system reliability.  

### **Features:**  
- Precision voltage monitoring for μP systems  
- Low quiescent current (12μA)  
- Power-fail comparator for early warning  
- Watchdog timer with 1.6s timeout  
- Manual reset input (MR)  
- Guaranteed reset output valid down to VCC = 1V  
- No external components required  

This device is commonly used in embedded systems, industrial controls, and battery-powered applications requiring reliable power monitoring.

Application Scenarios & Design Considerations

3.0V/3.3V Microprocessor Supervisory Circuits

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