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MAX690ACSA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX690ACSA+T

Manufacturer: MAXIM

Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX690ACSA+T,MAX690ACSAT MAXIM 633 In Stock

Description and Introduction

Microprocessor Supervisory Circuits The MAX690ACSA+T is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Series:** MAX690  
- **Package/Case:** SOIC-8  
- **Type:** Supervisory Circuit  
- **Output Type:** Active-Low, Push-Pull  
- **Number of Voltages Monitored:** 1  
- **Reset Threshold Voltage:** 4.65V (typical)  
- **Reset Timeout Period:** 200ms (typical)  
- **Operating Supply Voltage:** 1.2V to 5.5V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Manual Reset Input:** Yes  
- **Watchdog Timer:** Yes (1.6s typical timeout)  
- **Battery Backup Switching:** Yes  

### **Descriptions:**  
The MAX690ACSA+T is a low-power microprocessor supervisory circuit designed to monitor system power supply voltages. It ensures proper system operation by generating a reset signal if the supply voltage drops below a preset threshold. It includes a watchdog timer, manual reset input, and battery backup switching capability.  

### **Features:**  
- **Voltage Monitoring:** Monitors VCC for undervoltage conditions.  
- **Reset Output:** Active-low RESET signal during power-up, power-down, or brownout conditions.  
- **Watchdog Timer:** Prevents system lock-up by requiring periodic toggling.  
- **Manual Reset Input:** Allows external pushbutton reset.  
- **Battery Backup Switching:** Automatically switches to backup battery when VCC fails.  
- **Low Supply Current:** Typically 35μA.  
- **Wide Operating Voltage Range:** 1.2V to 5.5V.  

This information is strictly factual and based on manufacturer specifications.

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuits

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