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MAX815NESA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX815NESA+

Manufacturer: MAXIM

±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX815NESA+ MAXIM 3000 In Stock

Description and Introduction

±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits The MAX815NESA+ is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX815NESA+  
- **Type:** Microprocessor Supervisor  
- **Package:** 8-SOIC (150mil)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or Fixed (1.6V, 2.32V, 2.93V, 3.08V, 4.38V, 4.63V)  
- **Reset Timeout Period:** 140ms (min), 280ms (typ)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Manual Reset Input:** Yes (active-low)  
- **Watchdog Timer:** Yes (1.6s timeout)  
- **Power-On Reset (POR) Delay:** Included  
- **Quiescent Current:** 40μA (typ)  

### **Descriptions:**  
The MAX815NESA+ is a low-power microprocessor supervisor that monitors system voltage and provides a reset signal to the μP during power-up, power-down, or brownout conditions. It includes a watchdog timer, manual reset input, and an adjustable or fixed reset threshold.  

### **Features:**  
- **Voltage Monitoring:** Ensures proper μP operation by generating a reset when VCC falls below the threshold.  
- **Watchdog Timer:** Detects software lockups with a 1.6s timeout.  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Low Power Consumption:** 40μA typical supply current.  
- **Wide Operating Voltage:** Supports 1.2V to 5.5V systems.  
- **Power-On Reset Delay:** Ensures stable power before releasing reset.  
- **Industrial Temperature Range:** Operates from -40°C to +85°C.  

This device is commonly used in embedded systems, industrial controls, and battery-powered applications requiring reliable power monitoring.

Application Scenarios & Design Considerations

±1% Accuracy, Low-Power, +3V and +5V µP Supervisory Circuits

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