DS1232LPS+T&R

Product Overview

• Category: Integrated Circuit
• Use: Reset Generator
• Characteristics: Low Power, Precision Voltage Monitor
• Package: 8-Lead SOIC (Small Outline Integrated Circuit)
• Essence: Provides a precise reset signal to microprocessors and other digital systems
• Packaging/Quantity: Tape & Reel (T&R), 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage Options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V, 2.06V
• Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
• Active-Low RESET Output
• Push-Pull RESET Output Stage
• Low Power Consumption: typically 20µA
• Power-On Reset Delay: 100ms (typical)

Detailed Pin Configuration

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

Functional Features

• Generates a reset signal when the supply voltage drops below a specified threshold
• Monitors the supply voltage continuously
• Provides a manual reset input for external reset control
• Offers a push-pull reset output for direct interfacing with microcontrollers
• Allows battery backup operation through the VBAT pin
• Low power consumption ensures minimal impact on overall system power budget

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems
• Precise reset threshold voltage options cater to different application requirements
• Multiple reset timeout period options provide flexibility in system design
• Push-pull reset output simplifies interfacing with microcontrollers
• Low power consumption contributes to energy-efficient designs

Disadvantages

• Limited number of reset threshold voltage options may not cover all possible scenarios
• Single package option may not suit all form factor requirements

Working Principles

The DS1232LPS+T&R is designed to monitor the supply voltage of a digital system. When the voltage drops below a specified threshold, it generates a reset signal to ensure proper system operation. The device continuously monitors the supply voltage and provides a manual reset input for external control. It also offers a push-pull reset output, which can directly interface with microcontrollers. The low power consumption of the DS1232LPS+T&R ensures minimal impact on the overall power budget of the system.

Detailed Application Field Plans

The DS1232LPS+T&R is widely used in various applications where a reliable reset signal is required. Some common application fields include:

1. Microcontroller Systems: The DS1232LPS+T&R ensures proper initialization and reliable operation of microcontroller-based systems.
2. Embedded Systems: It provides a reset function for embedded systems, ensuring stable operation after power-up or voltage fluctuations.
3. Industrial Control Systems: The DS1232LPS+T&R helps maintain the integrity of industrial control systems by providing a reset signal when necessary.
4. Communication Equipment: It ensures the proper functioning of communication equipment by generating a reset signal during power fluctuations or system failures.
5. Automotive Electronics: The DS1232LPS+T&R is used in automotive electronics to provide a reliable reset signal for critical systems.

Detailed and Complete Alternative Models

1. DS1232LP+: Similar to DS1232LPS+T&R, but without tape and reel packaging.
2. DS1232L: Provides the same functionality as DS1232LPS+T&R in a different package (8-Lead PDIP).
3. DS1232: An earlier version of the DS1232LPS+T&R with slightly different specifications.

These alternative models offer similar features and can be considered based on specific application requirements.

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