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MAX814KCPA from MAXIM,MAXIM - Dallas Semiconductor

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MAX814KCPA

Manufacturer: MAXIM

+-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
MAX814KCPA MAXIM 50 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 MAX814KCPA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX814KCPA  
- **Package:** 8-pin PDIP (Plastic Dual In-Line Package)  
- **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:** Typically 140ms (adjustable with external capacitor)  
- **Operating Temperature Range:** 0°C to +70°C (Commercial grade)  
- **Quiescent Current:** Typically 35μA  

### **Descriptions:**
- The MAX814KCPA monitors microprocessor power supplies, ensuring proper system operation during power-up, power-down, and brownout conditions.  
- It generates a reset signal when the supply voltage drops below a preset threshold, holding the reset active until the voltage stabilizes.  
- Includes manual reset input for external system reset control.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Manual Reset Input:** Allows external pushbutton reset.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reset assertion even at very low voltages.  
- **No External Components Required:** For fixed threshold versions.  
- **Adjustable Reset Threshold:** Available in some variants.  

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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