DS1232N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Watchdog Timer
• Characteristics: Reset generation, power supply monitoring
• Package: DIP (Dual In-line Package)
• Essence: Monolithic CMOS microcontroller supervisory circuit
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Watchdog Timeout Period: Adjustable from 1.6ms to 6.4s
• Active-Low Reset Output
• Push-Pull or Open-Drain Reset Output Options
• Manual Reset Input
• Power-On Reset Delay: 200ms (typical)

Detailed Pin Configuration

The DS1232N IC has the following pin configuration:

1. GND (Ground)
2. RESET (Reset Output)
3. GND (Ground)
4. MR (Manual Reset Input)
5. VCC (Power Supply)
6. VCC (Power Supply)

Functional Features

• Monitors the microcontroller's operation and generates a reset signal if necessary.
• Provides power supply monitoring to ensure stable operation.
• Offers an adjustable watchdog timeout period for flexibility.
• Allows manual reset input for system control.

Advantages and Disadvantages

Advantages: - Reliable reset generation for microcontrollers. - Flexible watchdog timeout period. - Easy integration into existing systems. - Low power consumption.

Disadvantages: - Limited operating temperature range. - Requires external components for proper functionality.

Working Principles

The DS1232N is designed to monitor the operation of a microcontroller. It continuously checks for a valid system response within a set time period using the watchdog timer. If the microcontroller fails to respond within the specified time, the DS1232N generates a reset signal to restart the system. Additionally, it monitors the power supply voltage and generates a reset signal if the voltage falls below a certain threshold.

Detailed Application Field Plans

The DS1232N is commonly used in various applications, including:

1. Embedded Systems: Provides reliable reset generation for microcontrollers in embedded systems.
2. Industrial Control Systems: Ensures stable operation of microcontrollers in industrial control systems.
3. Automotive Electronics: Monitors and resets microcontrollers in automotive electronic systems.
4. Medical Devices: Offers watchdog timer functionality for microcontrollers in medical devices.
5. Home Automation: Provides reset generation and power supply monitoring for microcontrollers in home automation systems.

Detailed and Complete Alternative Models

• DS1232LP: Low-power version with reduced current consumption.
• DS1232LPS: Low-power version with adjustable watchdog timeout period.
• DS1232S: Surface-mount package version for compact designs.
• DS1232SN: Surface-mount package version with extended temperature range.

(Note: The above alternative models are just a few examples. There are other alternatives available from different manufacturers.)

This entry provides an overview of the DS1232N, a monolithic CMOS microcontroller supervisory circuit. It includes information about its category, use, characteristics, package, essence, packaging/quantity, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.