DS1233M-5/T&R

Product Overview

Category: Integrated Circuit (IC)

Use: The DS1233M-5/T&R is a versatile integrated circuit primarily used for reset generation and power supply monitoring in electronic systems.

Characteristics: - Reset Generation: The DS1233M-5/T&R generates a reset signal to ensure proper initialization of the system upon power-up or voltage fluctuations. - Power Supply Monitoring: It continuously monitors the power supply voltage and provides an output signal when it falls below a specified threshold. - Low Power Consumption: The IC operates with low power consumption, making it suitable for battery-powered devices. - Small Package Size: The DS1233M-5/T&R comes in a compact package, allowing for easy integration into various electronic systems. - RoHS Compliant: The product is compliant with the Restriction of Hazardous Substances directive, ensuring environmental safety.

Package: The DS1233M-5/T&R is available in a Tape and Reel (T&R) packaging format. This packaging method facilitates automated assembly processes and protects the IC during transportation and storage.

Essence: The DS1233M-5/T&R is an essential component for reliable system operation by providing reset generation and power supply monitoring capabilities.

Packaging/Quantity: The DS1233M-5/T&R is packaged in reels containing a specific quantity of ICs, typically 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage: 4.63V (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Push-Pull
• Quiescent Current: 10µA (typical)

Pin Configuration

The DS1233M-5/T&R features the following pin configuration:

1. VCC: Power Supply Input
2. GND: Ground
3. RESET: Active-Low Reset Output
4. MR: Manual Reset Input

Functional Features

1. Reset Generation: The DS1233M-5/T&R generates a reset signal when the power supply voltage falls below the specified threshold, ensuring proper system initialization.
2. Power Supply Monitoring: It continuously monitors the power supply voltage and provides an output signal indicating a low voltage condition.
3. Manual Reset: The MR pin allows for manual reset initiation, overriding the automatic reset generation.
4. Timeout Period: The IC includes a timeout feature that ensures the reset signal is not held indefinitely in case of a prolonged power supply disturbance.

Advantages and Disadvantages

Advantages: - Reliable System Initialization: Ensures proper system startup by generating a reset signal upon power-up. - Power Supply Protection: Monitors the power supply voltage, preventing system malfunction due to low voltage conditions. - Compact Size: The small package size enables easy integration into various electronic systems. - Low Power Consumption: Operates with low power consumption, suitable for battery-powered devices.

Disadvantages: - Lack of Advanced Features: The DS1233M-5/T&R does not offer advanced functionalities such as adjustable reset thresholds or programmable timeout periods. - Limited Pin Configuration: The IC has a fixed pin configuration, which may restrict its use in certain system designs requiring specific pin arrangements.

Working Principles

The DS1233M-5/T&R operates based on a voltage monitoring circuit that compares the power supply voltage with a predefined threshold. When the voltage falls below this threshold, the IC generates a reset signal to initiate system initialization. The reset signal remains active until the power supply voltage rises above the threshold or a timeout period elapses.

Application Field Plans

The DS1233M-5/T&R finds applications in various electronic systems where reliable reset generation and power supply monitoring are crucial. Some potential application fields include: - Microcontrollers and Microprocessors - Embedded Systems - Industrial Control Systems - Automotive Electronics - Consumer Electronics

Alternative Models

1. DS1233A-5/T&R: Similar to DS1233M-5/T&R, but with adjustable reset threshold voltage.
2. DS1233B-5/T&R: Offers programmable timeout period in addition to reset generation and power supply monitoring.
3. DS1233C-5/T&R: Provides additional features such as watchdog timer functionality for system supervision.

These alternative models offer enhanced functionalities compared to the DS1233M-5/T&R, catering to specific requirements of different applications.

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