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DS17887-5IND
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DS17887-5IND

Product Overview

Category: Integrated Circuit (IC)

Use: The DS17887-5IND is a real-time clock (RTC) IC designed for accurate timekeeping in various electronic devices. It provides reliable time and date information, making it suitable for applications that require precise timing.

Characteristics: - High accuracy - Low power consumption - Small form factor - Easy integration into existing systems

Package: The DS17887-5IND comes in a compact integrated circuit package, allowing for easy installation on printed circuit boards (PCBs).

Essence: The essence of the DS17887-5IND lies in its ability to accurately keep track of time and date, providing a crucial function for numerous electronic devices.

Packaging/Quantity: The DS17887-5IND is typically sold in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

The DS17887-5IND offers the following specifications:

  • Timekeeping Accuracy: ±2 minutes per year
  • Operating Voltage: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Battery Backup Voltage: 2.0V to 5.5V
  • Clock Frequency: 32.768kHz

Detailed Pin Configuration

The DS17887-5IND features the following pin configuration:

  1. VCC - Power supply input
  2. GND - Ground connection
  3. SDA - Serial data line for communication
  4. SCL - Serial clock line for communication
  5. IRQ - Interrupt request output
  6. SQW/OUT - Square wave or interrupt output
  7. VBAT - Battery backup input
  8. X1 - Crystal oscillator input
  9. X2 - Crystal oscillator output

Functional Features

The DS17887-5IND offers the following functional features:

  1. Real-Time Clock: Provides accurate timekeeping information.
  2. Alarm Function: Allows for setting alarms at specific times.
  3. Battery Backup: Maintains timekeeping functionality during power loss.
  4. Oscillator Calibration: Ensures precise timekeeping accuracy.
  5. Interrupt Output: Signals events or alarms to the system.

Advantages and Disadvantages

Advantages: - High accuracy ensures reliable timekeeping. - Low power consumption prolongs battery life. - Compact size allows for easy integration into various devices. - Versatile functionality with alarm and interrupt features.

Disadvantages: - Limited temperature range for operation (-40°C to +85°C). - Requires an external crystal oscillator for clock input.

Working Principles

The DS17887-5IND utilizes a quartz crystal oscillator to generate a stable clock signal. This signal is used to keep track of time and date accurately. The IC also incorporates a battery backup system to maintain timekeeping functionality during power interruptions.

Detailed Application Field Plans

The DS17887-5IND finds applications in various electronic devices, including but not limited to:

  1. Personal Computers (PCs)
  2. Embedded Systems
  3. Medical Equipment
  4. Automotive Electronics
  5. Industrial Control Systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the DS17887-5IND include:

  1. DS3231 - Real-time clock module with higher accuracy and additional features.
  2. PCF8563 - Low-power real-time clock IC with integrated temperature compensation.
  3. MCP7940N - Real-time clock/calendar IC with battery backup and I2C interface.

These alternative models provide options for different requirements and specifications.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von DS17887-5IND in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of DS17887-5IND in technical solutions:

  1. Q: What is DS17887-5IND? A: DS17887-5IND is a specific industry standard for non-volatile static random-access memory (NVRAM) modules.

  2. Q: How is DS17887-5IND used in technical solutions? A: DS17887-5IND is commonly used as a reliable storage solution for critical data in various technical applications, such as embedded systems, industrial automation, and aerospace.

  3. Q: What are the advantages of using DS17887-5IND in technical solutions? A: Some advantages include its non-volatile nature, high endurance, low power consumption, and resistance to extreme temperatures and vibrations.

  4. Q: Can DS17887-5IND be easily integrated into existing systems? A: Yes, DS17887-5IND is designed to be compatible with standard interfaces and protocols, making it relatively easy to integrate into existing systems.

  5. Q: Is DS17887-5IND suitable for applications that require high data integrity? A: Absolutely, DS17887-5IND offers features like error detection and correction mechanisms, ensuring high data integrity and reliability.

  6. Q: What is the typical lifespan of DS17887-5IND modules? A: DS17887-5IND modules have a long lifespan, typically rated for millions of write cycles, making them suitable for long-term use in technical solutions.

  7. Q: Can DS17887-5IND withstand harsh environmental conditions? A: Yes, DS17887-5IND is designed to operate reliably in extreme temperatures, humidity, and vibration-prone environments.

  8. Q: Are there any specific programming requirements for DS17887-5IND? A: DS17887-5IND can be programmed using standard interfaces and protocols, such as SPI (Serial Peripheral Interface) or I2C (Inter-Integrated Circuit).

  9. Q: Can DS17887-5IND be used in safety-critical applications? A: Yes, DS17887-5IND is often utilized in safety-critical systems due to its high reliability and ability to retain data during power loss.

  10. Q: Are there any limitations or considerations when using DS17887-5IND? A: Some considerations include the limited storage capacity compared to other memory technologies and the need for proper backup mechanisms in case of module failure.

Please note that these questions and answers are general and may vary depending on specific use cases and requirements.