The DS1813R-5+T is a 5V EconoReset from Dallas Semiconductor (now Maxim Integrated). It's a supervisory circuit designed to monitor the power supply voltage in microprocessor systems. When the supply voltage falls below a certain threshold (typically 4.65V), the DS1813R-5+T asserts a reset signal to the microprocessor, preventing it from operating with corrupted data. It's a crucial component for ensuring reliable system operation and preventing malfunctions due to power supply fluctuations.

Applications

• Microprocessor Systems
• Embedded Systems
• Industrial Control Equipment
• Consumer Electronics
• Medical Devices
• Automotive Electronics

Features

• Precision Voltage Monitoring: Accurately monitors 5V power supplies.
• Reset Output: Provides a reset signal to the microprocessor.
• Low Supply Current: Minimizes power consumption.
• Guaranteed Reset Assertion: Ensures a valid reset signal during power-down.
• Small Package: Allows for compact board designs.
• No External Components Required: Simplifies circuit design.

Benefits

• Prevents System Malfunctions: Protects against data corruption during power fluctuations.
• Ensures Reliable Operation: Guarantees proper system reset during power-up and power-down.
• Simplified Design: Requires no external components, reducing design complexity.
• Low Power Consumption: Minimizes impact on overall system power budget.
• Compact Footprint: Enables smaller and more efficient designs.

Additional Details

The DS1813R-5+T operates by monitoring the 5V power supply and asserting a reset signal when the voltage falls below the specified threshold. The reset signal remains asserted for a certain period after the voltage recovers to ensure that the microprocessor has sufficient time to initialize properly. This device eliminates the need for external components, making it easy to integrate into microprocessor-based systems. Its small size and low power consumption make it an ideal choice for portable and battery-powered applications. The DS1813R-5+T is a reliable and cost-effective solution for ensuring the integrity of microprocessor systems. The device is available in various package options, including surface mount, to suit different manufacturing requirements. Its simple operation and robust performance make it a popular choice for a wide range of electronic applications.