DS1232LPU/T&R

Product Overview

The DS1232LPU/T&R is a supervisory circuit designed to monitor power supply voltage levels and provide a reset signal to the microcontroller in the event of a power failure or voltage drop. This device falls under the category of integrated circuits and is commonly used in various electronic systems to ensure reliable operation.

Basic Information

• Category: Integrated Circuits
• Use: Power supply voltage monitoring and reset signal generation
• Characteristics: Low power consumption, small form factor, and high reliability
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Ensures stable operation of microcontrollers by monitoring power supply voltage levels
• Packaging/Quantity: Tape and Reel packaging, quantity varies based on supplier

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Reset Threshold Voltage: 4.65V
• Reset Timeout Period: 140ms (min)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10μA (typical)

Detailed Pin Configuration

1. VCC: Power Supply Input
2. GND: Ground
3. RESET: Reset Output
4. RESET IN: Reset Input
5. MR: Manual Reset Input
6. GND: Ground
7. NC: No Connection
8. VCC: Power Supply Input

Functional Features

• Monitors power supply voltage
• Generates a reset signal when voltage drops below the threshold
• Provides manual reset capability
• Low power consumption

Advantages and Disadvantages

Advantages

• Ensures reliable operation of microcontrollers
• Low quiescent current
• Small form factor

Disadvantages

• Limited to specific supply voltage range
• Requires careful consideration of reset timeout period for different applications

Working Principles

The DS1232LPU/T&R operates by continuously monitoring the power supply voltage. When the voltage drops below the preset threshold, it triggers the reset output, which can be used to reset the connected microcontroller. The device also features a manual reset input for additional control.

Detailed Application Field Plans

The DS1232LPU/T&R is widely used in embedded systems, industrial automation, automotive electronics, and consumer electronics. It is particularly valuable in applications where maintaining the integrity of the microcontroller's operation is critical, such as in safety-critical systems and data logging devices.

Detailed and Complete Alternative Models

• MAX1232
• TC54

In conclusion, the DS1232LPU/T&R is an essential component in ensuring the reliable operation of microcontrollers in various electronic systems. Its low power consumption, small form factor, and robust functionality make it a popular choice among designers seeking to enhance the stability and resilience of their electronic designs.

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