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MAX693ACSE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX693ACSE+

Manufacturer: MAXIM

Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX693ACSE+,MAX693ACSE MAXIM 300 In Stock

Description and Introduction

Microprocessor Supervisory Circuits The MAX693ACSE+ 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:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Type:** μP Supervisory Circuit  
- **Package:** 16-pin Narrow SOIC (SO)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (for 5V operation)  
- **Reset Timeout Period:** Adjustable (typically 200ms)  
- **Watchdog Timer:** Yes (programmable timeout)  
- **Manual Reset Input:** Yes (active-low)  
- **Battery Backup Switch:** Yes (for CMOS RAM)  
- **Operating Temperature Range:** 0°C to +70°C (Commercial)  
- **Low Quiescent Current:** Typically 50μA  

### **Descriptions:**  
The MAX693ACSE+ is a microprocessor supervisory IC designed to monitor system power supplies and ensure proper μP operation. It includes a reset generator, watchdog timer, and battery backup switch for CMOS RAM. The device provides reliable system monitoring by asserting a reset signal if the supply voltage drops below a preset threshold.  

### **Features:**  
- **Voltage Monitoring:** Monitors VCC and generates a reset signal if it falls below the threshold.  
- **Watchdog Timer:** Prevents system lockup by requiring periodic toggling from the μP.  
- **Battery Backup Switching:** Automatically switches to backup battery power when VCC fails.  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Low Power Consumption:** Ideal for battery-operated systems.  
- **Adjustable Reset Timeout:** Configurable reset delay.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  

For detailed electrical characteristics and application circuits, refer to the official datasheet from Maxim Integrated (Analog Devices).

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuits

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