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MAX804RESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX804RESA

Manufacturer: MAXIM

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.625V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2%

Partnumber Manufacturer Quantity Availability
MAX804RESA MAXIM 2500 In Stock

Description and Introduction

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.625V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2% The MAX804RESA is a microprocessor reset circuit manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Voltage Monitor / Reset Circuit  
- **Reset Threshold Options:** Adjustable or factory-set (e.g., 2.63V, 3.08V, 4.38V, etc.)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Timeout Period:** Typically 140ms (minimum)  
- **Output Type:** Active-low, push-pull  
- **Package:** 8-pin SOIC (MAX804RESA)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The MAX804RESA is a precision voltage monitor designed to provide a reset signal to microprocessors or other digital systems when the supply voltage drops below a preset threshold.  
- It ensures proper system operation by holding the reset signal active until the supply voltage stabilizes.  
- Available in fixed or adjustable threshold versions.  

### **Features:**  
- **Low Power Consumption:** Typically 5µA supply current.  
- **Manual Reset Input:** Allows external reset control.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable operation even at low voltages.  
- **No External Components Required:** Simplifies circuit design.  
- **Hysteresis:** Prevents oscillation near the threshold voltage.  
- **Space-Saving Package:** Available in SOIC-8 for compact designs.  

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

Application Scenarios & Design Considerations

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.625V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2%

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