DS1232+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Reset Monitor
• Characteristics: Reliable, versatile, and compact
• Package: DIP (Dual In-line Package)
• Essence: Ensures reliable system reset during power-up, power-down, or brownout conditions
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2.5V to 5.5V
• Reset Threshold Voltage: 2.93V (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Pin Count: 8

Detailed Pin Configuration

1. VCC: Supply voltage input
2. GND: Ground reference
3. RESET: Active-low reset output
4. MR: Manual reset input
5. VBAT: Battery backup input
6. GND: Ground reference
7. RESET: Active-low reset output
8. VCC: Supply voltage input

Functional Features

• Monitors supply voltage and asserts reset when it falls below the threshold
• Provides a debounced manual reset input for external triggering
• Offers battery backup input for monitoring even during power loss
• Generates an active-low reset signal to the system
• Includes a watchdog timer for detecting system malfunctions

Advantages

• Ensures reliable system operation by preventing erratic behavior during power fluctuations
• Compact size allows for easy integration into various electronic devices
• Versatile functionality suits a wide range of applications
• Debounced manual reset input prevents accidental resets
• Battery backup input ensures continuous monitoring during power interruptions

Disadvantages

• Limited reset timeout period may not be suitable for certain applications requiring longer delays
• Lack of adjustable reset threshold voltage may restrict compatibility with specific systems

Working Principles

The DS1232+ operates by continuously monitoring the supply voltage. When the voltage falls below the preset threshold, it asserts an active-low reset signal to the system, initiating a controlled restart. The device also includes a watchdog timer that must be periodically reset to prevent false triggering. In case of power loss, the battery backup input ensures uninterrupted monitoring.

Detailed Application Field Plans

The DS1232+ finds applications in various electronic systems where reliable reset functionality is crucial. Some potential fields of application include: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Industrial automation equipment 4. Communication devices 5. Medical instruments 6. Automotive electronics 7. Power management systems

Alternative Models

For users seeking alternative options, the following models provide similar functionality: 1. DS1233+: Offers adjustable reset timeout period 2. MAX1232: Provides adjustable reset threshold voltage 3. MCP101: Includes additional power-on reset functionality

In conclusion, the DS1232+ is a reliable and versatile reset monitor IC. Its compact size, essential features, and wide range of applications make it a popular choice among designers. However, its limited reset timeout period and fixed reset threshold voltage should be considered when selecting the appropriate model for specific requirements.