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MAX690TCSA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX690TCSA+

Manufacturer: MAXIM

3.0V/3.3V Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX690TCSA+,MAX690TCSA MAXIM 12 In Stock

Description and Introduction

3.0V/3.3V Microprocessor Supervisory Circuits The MAX690TCSA+ is a microprocessor (µP) supervisory circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Manufacturer**:  
- **MAXIM** (Maxim Integrated, now part of Analog Devices)  

### **Specifications**:  
- **Supply Voltage Range**: 1.2V to 5.5V  
- **Reset Threshold Accuracy**: ±1.5% (over temperature)  
- **Reset Timeout Period**: 200ms (min)  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package**: 8-pin SOIC (Small Outline Integrated Circuit)  
- **Low Quiescent Current**: 35µA (typical)  
- **Manual Reset Input**: Active-low (MR)  
- **Watchdog Timer**: 1.6s timeout (typical)  
- **Power-Fail Comparator**: Monitors VCC for early warning  

### **Descriptions**:  
- The MAX690TCSA+ is designed to monitor power supply voltages in µP and digital systems.  
- It ensures proper system operation by generating a reset signal when the supply voltage drops below a preset threshold.  
- Includes a watchdog timer to detect software lockups and a power-fail comparator for early warning of power loss.  

### **Features**:  
- **Precision Voltage Monitoring**: Ensures reliable µP reset during power fluctuations.  
- **Low Power Consumption**: Suitable for battery-powered applications.  
- **Manual Reset Input**: Allows external pushbutton reset.  
- **Watchdog Timer**: Resets the system if software fails to toggle the watchdog input.  
- **Power-Fail Comparator**: Provides early warning for power loss.  
- **Wide Operating Voltage Range**: Supports 1.2V to 5.5V systems.  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

3.0V/3.3V Microprocessor Supervisory Circuits

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