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MAX804TCSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX804TCSA

Manufacturer: MAXIM

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 3.075V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2%

Partnumber Manufacturer Quantity Availability
MAX804TCSA MAXIM 3400 In Stock

Description and Introduction

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 3.075V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2% The MAX804TCSA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor (μP) Supervisory Circuit  
- **Package:** 8-Pin SOIC (TCSA denotes the package type)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (e.g., 2.63V, 3.08V, 4.38V, etc., depending on variant)  
- **Reset Timeout Period:** Typically 140ms (adjustable in some variants)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** Low (typically a few microamps)  

### **Descriptions:**
- The MAX804TCSA monitors system voltage and provides a reset signal to the microprocessor if the voltage drops below a preset threshold.  
- It ensures proper system operation by holding the microprocessor in reset until the supply voltage stabilizes.  
- Available in fixed or adjustable threshold versions for flexibility in different applications.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Manual Reset Input:** Allows for external reset control.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reset integrity even at very low voltages.  
- **Small Form Factor:** 8-pin SOIC package saves board space.  
- **Wide Operating Voltage Range:** Supports various logic levels (1.2V to 5.5V).  

For exact threshold values and other specific parameters, refer to the official Maxim Integrated datasheet for the MAX804TCSA.

Application Scenarios & Design Considerations

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 3.075V. Active-high reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2%

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