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MAX814LESA

Manufacturer: MAXIM

+-1% accuracy, low-power, microprocessor supervisory circuit. Reset trip threshold (min) 4.65V (max) 4.75V, push-pull active-low reset output, push-pull active-high reset output, manual reset, power-fail monitor, low-line detector.

Partnumber Manufacturer Quantity Availability
MAX814LESA MAXIM 342 In Stock

Description and Introduction

+-1% accuracy, low-power, microprocessor supervisory circuit. Reset trip threshold (min) 4.65V (max) 4.75V, push-pull active-low reset output, push-pull active-high reset output, manual reset, power-fail monitor, low-line detector. The MAX814LESA 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:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** 4.38V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V (factory-set)  
- **Reset Timeout Period:** 140ms (min), 280ms (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Quiescent Current:** 10μA (typical)  

### **Descriptions:**  
The MAX814LESA is a low-power μP supervisory circuit designed to monitor system power supplies. It ensures proper system operation by generating a reset signal when the supply voltage drops below a preset threshold. It is commonly used in embedded systems, industrial controls, and battery-powered applications.  

### **Features:**  
- **Precision Voltage Monitoring:** Guarantees reset assertion at factory-set thresholds.  
- **Manual Reset Input:** Allows for external pushbutton reset control.  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable operation even at low voltages.  
- **Small Package:** 8-pin SOIC for space-constrained applications.  

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

Application Scenarios & Design Considerations

+-1% accuracy, low-power, microprocessor supervisory circuit. Reset trip threshold (min) 4.65V (max) 4.75V, push-pull active-low reset output, push-pull active-high reset output, manual reset, power-fail monitor, low-line detector.

Alternative Part Number

  • ADM706SARZ --: Supervisor IC with reset and watchdog functions in SOIC-8, functionally similar to the MAX814 and widely available.
  • TPS3705-33DR --: Voltage supervisor with reset output in SOIC-8, suitable replacement for supply monitoring applications.
  • MC33064D-5G --: Undervoltage sensing circuit in SOIC-8, provides reset functionality comparable to the original supervisor.
  • ADM708SARZ --: Pin-compatible microprocessor supervisory circuit with similar reset and watchdog functions, widely available and a common drop-in replacement.

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