DS1232S+T&R

Product Overview

Category

The DS1232S+T&R belongs to the category of integrated circuits (ICs) specifically designed for power supply monitoring and reset functions.

Use

This product is primarily used in electronic systems where a reliable reset function is required to ensure proper operation upon power-up or system failure.

Characteristics

• Power supply monitoring: The DS1232S+T&R monitors the voltage level of the power supply and generates a reset signal when the voltage falls below a certain threshold.
• Reset generation: It provides a reset signal to the microcontroller or other digital logic devices, ensuring a controlled restart of the system.
• Low power consumption: The DS1232S+T&R operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide range of input voltages, typically from 2.7V to 5.5V.
• Temperature range: The DS1232S+T&R is designed to operate reliably across a temperature range of -40°C to +85°C.

Package

The DS1232S+T&R is available in a surface-mount package, commonly known as SOIC-8 (Small Outline Integrated Circuit), which facilitates easy integration onto printed circuit boards.

Essence

The essence of the DS1232S+T&R lies in its ability to monitor the power supply voltage and generate a reset signal, ensuring the reliable operation of electronic systems.

Packaging/Quantity

The DS1232S+T&R is typically packaged in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage: 4.55V (typical)
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 10μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The DS1232S+T&R has the following pin configuration:

1. GND: Ground connection
2. VCC: Power supply voltage input
3. RESET: Reset output signal
4. GND: Ground connection
5. GND: Ground connection
6. GND: Ground connection
7. GND: Ground connection
8. VCC: Power supply voltage input

Functional Features

Power Supply Monitoring

The DS1232S+T&R continuously monitors the power supply voltage. If the voltage falls below the reset threshold, it triggers a reset signal.

Reset Generation

Upon detecting a low voltage condition, the DS1232S+T&R generates a reset signal that can be used to restart the microcontroller or other digital logic devices in a controlled manner.

Power-On Reset

The DS1232S+T&R provides a power-on reset function, ensuring that the system starts in a known state upon power-up.

Manual Reset Input

In addition to automatic reset generation, the DS1232S+T&R also features a manual reset input. When this input is asserted, it forces a reset regardless of the power supply voltage level.

Advantages and Disadvantages

Advantages

• Reliable power supply monitoring and reset generation
• Low power consumption
• Wide operating voltage range
• Compact surface-mount package for easy integration

Disadvantages

• Lack of adjustable reset threshold voltage
• Limited timeout period for reset generation

Working Principles

The DS1232S+T&R operates based on a voltage comparator circuit that compares the power supply voltage with a fixed threshold. When the voltage drops below the threshold, the reset signal is generated. The timeout period ensures that the reset signal remains active for a specific duration to allow the system to stabilize before normal operation resumes.

Detailed Application Field Plans

The DS1232S+T&R finds applications in various electronic systems, including but not limited to: - Microcontroller-based systems - Embedded systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the DS1232S+T&R include: - MAX1232 - MCP120 - TPS3808 - ADM803

These alternatives can be considered based on specific requirements such as voltage range, package type, or additional features.

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