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MAX819MESA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX819MESA+

Manufacturer: MAXIM

+5V Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX819MESA+,MAX819MESA MAXIM 8 In Stock

Description and Introduction

+5V Microprocessor Supervisory Circuits The **MAX819MESA+** is a microprocessor (μP) supervisory circuit manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** 8-SOIC (150mil)  
- **Type:** Voltage Monitor / Supervisor  
- **Number of Voltages Monitored:** 1  
- **Threshold Voltage:** Adjustable or Fixed (depends on variant)  
- **Reset Timeout Period:** Adjustable or Fixed (typically 140ms or 200ms)  
- **Operating Voltage Range:** Typically **1.6V to 5.5V**  
- **Reset Output:** Active-Low or Active-High (depends on variant)  
- **Operating Temperature Range:** **-40°C to +85°C**  

### **Descriptions:**  
- The **MAX819MESA+** ensures proper system operation by monitoring the power supply voltage and generating a reset signal if the voltage falls below a preset threshold.  
- It is commonly used in **microprocessor-based systems**, embedded controllers, and portable devices to prevent erratic operation during power-up, power-down, or brownout conditions.  
- The device includes a manual reset input for external system control.  

### **Features:**  
- **Precision Voltage Monitoring** – Ensures reliable reset operation.  
- **Low Power Consumption** – Suitable for battery-powered applications.  
- **Manual Reset Input** – Allows external triggering of a reset.  
- **Guaranteed Reset Assertion Down to VCC = 1V** – Ensures reset signal integrity even at low voltages.  
- **Small Form Factor** – Available in an 8-pin SOIC package.  

For exact threshold voltages and timing, refer to the **datasheet** for the specific variant.

Application Scenarios & Design Considerations

+5V Microprocessor Supervisory Circuits

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