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MAX690RESA+ from N/A

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MAX690RESA+

Manufacturer: N/A

3.0V/3.3V Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX690RESA+ N/A 2500 In Stock

Description and Introduction

3.0V/3.3V Microprocessor Supervisory Circuits The MAX690RESA+ is a microprocessor supervisory circuit manufactured by N/A. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage (VCC):** 1.2V to 5.5V  
- **Reset Threshold Voltage Options:** 4.65V, 4.40V, 3.08V, 2.93V, 2.63V, 2.32V (factory-set)  
- **Reset Timeout Period:** 200ms (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

### **Descriptions:**
- The MAX690RESA+ monitors the power supply voltage of a microprocessor and provides a reset signal if the voltage drops below a preset threshold.  
- It ensures proper system operation by holding the microprocessor in reset during power-up, power-down, and brownout conditions.  

### **Features:**
- **Low Power Consumption:** Typically 25µA supply current  
- **Manual Reset Input:** Allows external pushbutton reset  
- **Power-Fail Comparator:** Provides early warning of power failure  
- **Watchdog Timer:** Resets the system if software fails to toggle within a set time  
- **Battery Backup Support:** Switches to backup battery when VCC fails  
- **Guaranteed Reset Output Valid to VCC = 1V**  

This information is based solely on the available technical data for the MAX690RESA+.

Application Scenarios & Design Considerations

3.0V/3.3V Microprocessor Supervisory Circuits
Partnumber Manufacturer Quantity Availability
MAX690RESA+,MAX690RESA MAXIM 22 In Stock

Description and Introduction

3.0V/3.3V Microprocessor Supervisory Circuits The MAX690RESA+ is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX690RESA+  
- **Package:** 8-pin SOIC  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Voltage Options:** Adjustable or fixed (factory-set)  
- **Reset Timeout Period:** Typically 200ms (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 5μA (typical)  
- **Watchdog Timer:** Yes (1.6s nominal timeout)  
- **Manual Reset Input:** Yes (active-low)  
- **Battery Backup Switch:** Yes (for CMOS RAM or real-time clock)  

### **Descriptions:**
- The MAX690RESA+ is a low-power μP supervisory circuit designed to monitor power supply voltages in microprocessor-based systems.  
- It provides reset signals to the μP during power-up, power-down, or brownout conditions.  
- Includes a watchdog timer to detect software lockups and a manual reset input for user-initiated resets.  
- Features a backup battery switch to maintain power to critical components during main power failure.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset generation.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Watchdog Timer:** Helps recover from system crashes.  
- **Battery Backup Switching:** Seamlessly switches to backup power.  
- **Manual Reset Capability:** Allows external reset triggering.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

3.0V/3.3V Microprocessor Supervisory Circuits

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