DS1232LPSN+T&R

Product Overview

• Category: Integrated Circuit (IC)
• Use: Reset Generator
• Characteristics: Low Power, Precision Timing, Small Package Size
• Package: T&R (Tape and Reel)
• Essence: Provides a reliable reset signal to microprocessors and other digital systems
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

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
• Package Type: 8-pin SOIC (Small Outline Integrated Circuit)

Detailed Pin Configuration

1. VCC: Supply Voltage Input
2. GND: Ground
3. RESET: Active-Low Reset Output
4. MR: Manual Reset Input
5. VBAT: Battery Backup Input
6. GND: Ground
7. GND: Ground
8. GND: Ground

Functional Features

• Generates a reset signal when the supply voltage drops below the reset threshold
• Monitors the supply voltage to prevent erratic operation of microprocessors
• Provides a manual reset input for external control
• Includes a battery backup input for power failure detection
• Low power consumption for efficient operation

Advantages

• Reliable reset generation for microprocessors and digital systems
• Precision timing ensures accurate reset signals
• Small package size saves board space
• Wide operating voltage range allows compatibility with various systems

Disadvantages

• Limited timeout period may not be suitable for all applications requiring longer reset times
• Manual reset input requires external control circuitry

Working Principles

The DS1232LPSN+T&R is designed to monitor the supply voltage of a digital system. When the voltage drops below the reset threshold, the IC generates an active-low reset signal. This ensures that the microprocessor or digital system starts in a known state after power-up or voltage fluctuations.

The IC also includes a manual reset input (MR) which allows external control to initiate a reset. Additionally, the battery backup input (VBAT) enables detection of power failures and triggers a reset if necessary.

Detailed Application Field Plans

The DS1232LPSN+T&R is widely used in various applications where reliable reset generation is crucial. Some common application fields include:

1. Embedded Systems: Provides reset functionality for microcontrollers, ensuring proper initialization upon power-up.
2. Communication Equipment: Ensures stable operation of network devices by resetting them in case of power disturbances.
3. Industrial Automation: Resets programmable logic controllers (PLCs) and other automation systems to maintain system integrity.
4. Medical Devices: Guarantees proper functioning of medical equipment by initiating a reset when voltage levels are unstable.
5. Automotive Electronics: Monitors and resets electronic control units (ECUs) in vehicles to prevent malfunctions.

Detailed and Complete Alternative Models

• DS1232LP+: Similar to DS1232LPSN+T&R but available in a different package (DIP-8)
• MAX1232: Reset generator with similar features from Maxim Integrated
• MCP809: Low-power reset generator from Microchip Technology

(Note: The list of alternative models can be expanded based on availability and specific requirements.)

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