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MAX814KESA from MAX,MAXIM - Dallas Semiconductor

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MAX814KESA

Manufacturer: MAX

+-1% accuracy, low-power, microprocessor supervisory circuit. Reset trip threshold (min) 4.75V (max) 4.85V, push-pull active-low reset output, push-pull active-high reset output, manual reset, power-fail monitor, low-line detector.

Partnumber Manufacturer Quantity Availability
MAX814KESA MAX 30 In Stock

Description and Introduction

+-1% accuracy, low-power, microprocessor supervisory circuit. Reset trip threshold (min) 4.75V (max) 4.85V, push-pull active-low reset output, push-pull active-high reset output, manual reset, power-fail monitor, low-line detector. The MAX814KESA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX814KESA  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (e.g., 4.63V, 4.38V, 3.08V, etc.)  
- **Reset Timeout Period:** 140ms (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 6μA (typical)  

### **Descriptions:**
- The MAX814KESA monitors microprocessor power supplies and provides a reset signal if the voltage drops below a preset threshold.  
- It ensures proper system operation by holding the microprocessor in reset until the supply voltage stabilizes.  
- Suitable for battery-powered and low-voltage systems due to its low power consumption.  

### **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 portable and battery-operated devices.  
- **Watchdog Timer:** Optional watchdog function for system fault detection.  
- **Debounced Manual Reset Input:** Prevents false triggering.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable operation even at low voltages.  

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

Application Scenarios & Design Considerations

+-1% accuracy, low-power, microprocessor supervisory circuit. Reset trip threshold (min) 4.75V (max) 4.85V, push-pull active-low reset output, push-pull active-high reset output, manual reset, power-fail monitor, low-line detector.

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