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MAX703CSA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX703CSA+

Manufacturer: MAXIM

Low-Cost Microprocessor Supervisory Circuits with Battery Backup

Partnumber Manufacturer Quantity Availability
MAX703CSA+,MAX703CSA MAXIM 750 In Stock

Description and Introduction

Low-Cost Microprocessor Supervisory Circuits with Battery Backup The MAX703CSA+ is a low-power CMOS supervisory circuit manufactured by Maxim Integrated. Below are the specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX703CSA+  
- **Type:** Microprocessor Supervisory Circuit  
- **Package:** 8-Pin SOIC  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (for 4.65V threshold)  
- **Reset Timeout Period:** Adjustable (typically 200ms)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Quiescent Current:** 5µA (typical)  
- **Manual Reset Input:** Yes (active-low)  
- **Watchdog Timer:** Yes (1.6s nominal timeout)  

### **Description:**  
The MAX703CSA+ is a microprocessor (µP) supervisory circuit designed to monitor power supply voltages and provide reset signals to ensure proper system operation. It includes a watchdog timer, manual reset input, and a precision voltage monitor to detect power failures or brownout conditions.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures reliable µP reset during power-up, power-down, and brownout conditions.  
- **Low Power Consumption:** 5µA typical supply current extends battery life.  
- **Watchdog Timer:** Monitors µP activity; resets the system if the µP fails to toggle the watchdog input.  
- **Manual Reset Input:** Allows for external pushbutton reset control.  
- **Adjustable Reset Timeout:** Configurable via an external capacitor.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  
- **Space-Saving Package:** Available in an 8-pin SOIC for compact designs.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Low-Cost Microprocessor Supervisory Circuits with Battery Backup

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