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MAX804SCSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX804SCSA

Manufacturer: MAXIM

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.925V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2%

Partnumber Manufacturer Quantity Availability
MAX804SCSA MAXIM 3400 In Stock

Description and Introduction

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.925V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2% The MAX804SCSA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Series:** MAX804  
- **Package:** 8-SOIC (150 mil)  
- **Type:** Voltage Monitor  
- **Number of Voltages Monitored:** 1  
- **Output Type:** Active-Low, Push-Pull  
- **Reset Threshold Voltage:** 4.63V (typical)  
- **Reset Timeout Period:** 200ms (minimum)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Quiescent Current:** 12μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The MAX804SCSA is a low-power microprocessor voltage monitor designed to ensure proper system operation during power-up, power-down, and brownout conditions.  
- It monitors the supply voltage and asserts a reset signal if the voltage falls below a preset threshold.  
- The device features a manual reset input for additional system control.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Low Power Consumption:** 12μA typical supply current.  
- **Manual Reset Input:** Allows external reset triggering.  
- **200ms Minimum Reset Pulse Width:** Guarantees proper system initialization.  
- **Wide Operating Voltage Range (1.2V to 5.5V):** Suitable for various applications.  
- **No External Components Required:** Simplifies design.  
- **Push-Pull RESET Output:** Eliminates the need for a pull-up resistor.  

This device is commonly used in embedded systems, industrial controls, and battery-powered applications requiring reliable power monitoring.

Application Scenarios & Design Considerations

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.925V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2%

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