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MAX805SCSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX805SCSA

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 +-4%. Power-fail comparator. Reset window +-75mV

Partnumber Manufacturer Quantity Availability
MAX805SCSA 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 +-4%. Power-fail comparator. Reset window +-75mV The MAX805SCSA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX805SCSA  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Type:** Microprocessor (μP) Supervisor  
- **Reset Threshold Voltage Options:** 2.63V, 2.93V, 3.08V, 4.38V, 4.63V (factory-set)  
- **Reset Timeout Period:** 140ms (min), 280ms (typ)  
- **Operating Voltage Range:** 1V to 5.5V  
- **Quiescent Current:** 5μA (typ)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX805SCSA monitors the power supply voltage of a microprocessor (μP) or microcontroller (μC) and asserts a reset signal when the voltage drops below a preset threshold. It ensures proper system operation by holding the reset signal active until the supply voltage stabilizes.  

### **Features:**  
- **Low Power Consumption:** Only 5μA typical quiescent current.  
- **Precision Voltage Monitoring:** Factory-trimmed reset threshold options.  
- **Manual Reset Input:** Allows for external reset initiation.  
- **Power-On Reset (POR):** Ensures valid reset at power-up.  
- **Wide Operating Voltage Range:** Works from 1V to 5.5V.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable operation.  
- **Small Package:** 8-pin SOIC for space-constrained applications.  

This information is strictly based on the manufacturer's datasheet and specifications.

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 +-4%. Power-fail comparator. Reset window +-75mV

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