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MAX693CWE from MAXIM,MAXIM - Dallas Semiconductor

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MAX693CWE

Manufacturer: MAXIM

Microprocessor supervisory circuit.

Partnumber Manufacturer Quantity Availability
MAX693CWE MAXIM 232 In Stock

Description and Introduction

Microprocessor supervisory circuit. The MAX693CWE is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX693CWE  
- **Package:** 16-pin Wide SOIC (SO-16)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (typical)  
- **Reset Timeout Period:** Adjustable (typically 200ms)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Low Quiescent Current:** 40µA (typical)  

### **Descriptions:**
The MAX693CWE is a low-power μP supervisory circuit designed to monitor system power supplies and provide reset signals to microprocessors during power-up, power-down, or brownout conditions. It ensures reliable system operation by preventing erratic behavior due to unstable voltage conditions.

### **Features:**
- **Power-Fail Comparator:** Detects impending power failure and provides early warning.  
- **Manual Reset Input:** Allows for external reset control via a pushbutton or logic signal.  
- **Watchdog Timer:** Monitors microprocessor activity and triggers a reset if the system fails to respond.  
- **Battery Backup Support:** Includes a backup supply input for battery switchover during power loss.  
- **Adjustable Reset Threshold:** User-configurable via external resistors.  
- **Low-Power Operation:** Suitable for battery-powered applications.  
- **Hysteresis on Reset Threshold:** Ensures noise immunity.  

This device is commonly used in embedded systems, industrial controls, and portable electronics where reliable power monitoring is critical.

Application Scenarios & Design Considerations

Microprocessor supervisory circuit.

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