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MAX814NESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX814NESA

Manufacturer: MAXIM

+-1% accuracy, low-power, microprocessor supervisory circuit. Reset trip threshold (min) 4.50V (max) 4.60V, push-pull active-low reset output, push-pull active-high reset output, manual reset, power-fail monitor, low-line detector.

Partnumber Manufacturer Quantity Availability
MAX814NESA MAXIM 45 In Stock

Description and Introduction

+-1% accuracy, low-power, microprocessor supervisory circuit. Reset trip threshold (min) 4.50V (max) 4.60V, push-pull active-low reset output, push-pull active-high reset output, manual reset, power-fail monitor, low-line detector. The **MAX814NESA** is a microprocessor (μP) supervisory circuit manufactured by **Maxim Integrated**. Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor (μP) Supervisory Circuit  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (factory-set)  
- **Reset Timeout Period:** Typically 140ms (adjustable)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** Low (typically 5µA)  

### **Descriptions:**
- The **MAX814NESA** monitors system voltage and provides a reset signal to the microprocessor when the supply voltage drops below a preset threshold.  
- It ensures proper system initialization by holding the microprocessor in reset until the supply voltage stabilizes.  
- Suitable for battery-powered and low-voltage applications due to its wide operating range.  

### **Features:**
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Power-On Reset (POR):** Guarantees a reset pulse upon power-up.  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **Watchdog Timer:** Monitors software execution (optional in some variants).  
- **Adjustable Reset Threshold:** Customizable via external resistors.  
- **Small Footprint:** 8-pin SOIC package for space-constrained designs.  

The **MAX814NESA** is commonly used in embedded systems, industrial controls, and portable electronics to ensure reliable operation under varying power conditions.

Application Scenarios & Design Considerations

+-1% accuracy, low-power, microprocessor supervisory circuit. Reset trip threshold (min) 4.50V (max) 4.60V, push-pull active-low reset output, push-pull active-high reset output, manual reset, power-fail monitor, low-line detector.

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