Maxim Integrated DS1819CR-20+T&R Product Overview

The DS1819CR-20+T&R from Maxim Integrated is a robust microprocessor (µP) supervisory circuit that provides an efficient solution for monitoring power supply and microprocessor activity. This device is an essential component for ensuring the reliable operation of microprocessor systems by providing a reset signal to the µP during power-up, power-down, and brown-out conditions.

Key Features

• Reset Threshold Voltage: The DS1819CR-20+T&R features a precise factory-trimmed threshold voltage of 2.88V, which is suitable for operation with 3.3V power supplies.
• Reset Timeout: It offers a minimum power-on reset pulse width of 250ms, ensuring that the µP has adequate time to initialize after power-up.
• Temperature Range: This device operates over an extended temperature range of -40°C to +85°C, making it suitable for various industrial applications.
• Form Factor: The DS1819CR-20+T&R comes in a compact SOT-23-3 package, which is ideal for space-constrained applications.
• Supply Voltage: It supports a supply voltage range from 2.7V to 5.5V, providing versatility across different system voltages.
• Packaging: The product is available in tape and reel packaging, denoted by the T&R suffix, facilitating efficient assembly for high-volume production.

Applications

The DS1819CR-20+T&R is designed for use in a variety of applications where reliable system operation is critical. These include:

• Computers and servers
• Embedded systems
• Industrial controllers
• Portable/battery-powered equipment

Product Advantages

Integrating the DS1819CR-20+T&R into system designs offers several advantages such as enhanced system reliability through active monitoring of the power supply, automatic reset during fault conditions, and minimal external components due to its integrated features. Its small footprint and wide operating temperature range make it a versatile choice for designers looking to maintain system integrity across diverse applications and environments.

Maxim Integrated's commitment to quality ensures that the DS1819CR-20+T&R supervisory circuit meets the high standards required for critical system monitoring applications, making it a trusted choice for engineers and designers worldwide.