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DS1687-5IND+
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DS1687-5IND+ Product Overview

Introduction

The DS1687-5IND+ is a versatile integrated circuit belonging to the category of real-time clock (RTC) modules. This product is widely used in various electronic devices and systems to provide accurate timekeeping and timestamp functionality.

Basic Information Overview

  • Category: Real-Time Clock Module
  • Use: Accurate timekeeping and timestamp functionality
  • Characteristics: Low power consumption, high accuracy, compact size
  • Package: Integrated circuit
  • Essence: Timekeeping and timestamping
  • Packaging/Quantity: Varies by manufacturer

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Clock Accuracy: ±2 minutes per month at 25°C
  • Operating Temperature Range: -40°C to +85°C
  • Interface: I2C or SPI
  • Battery Backup: Built-in battery backup for continuous timekeeping

Detailed Pin Configuration

The DS1687-5IND+ features a standard pin configuration with specific pins dedicated to power supply, ground, I2C/SPI interface, and other functionalities. The detailed pinout can be found in the product datasheet.

Functional Features

  • Accurate timekeeping and timestamping
  • Battery backup for uninterrupted operation
  • I2C/SPI interface for easy integration with microcontrollers
  • Alarm functionality for event scheduling

Advantages and Disadvantages

Advantages

  • High accuracy in timekeeping
  • Low power consumption
  • Compact size for easy integration
  • Versatile interface options

Disadvantages

  • Limited temperature range compared to some industrial applications
  • May require external crystal for enhanced accuracy in certain scenarios

Working Principles

The DS1687-5IND+ utilizes an internal oscillator and a battery backup system to maintain accurate timekeeping even during power loss. It communicates with the host system through the I2C or SPI interface, allowing seamless integration into various electronic devices.

Detailed Application Field Plans

The DS1687-5IND+ finds extensive application in: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

  1. DS3231: Offers higher temperature range and improved accuracy
  2. MCP7940N: Provides similar functionality with additional EEPROM storage
  3. PCF85263A: Suitable for low-power applications with extended battery life

In conclusion, the DS1687-5IND+ real-time clock module offers reliable timekeeping and timestamp functionality for a wide range of electronic applications, making it a valuable component in modern electronic designs.

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  1. What is DS1687-5IND+?

    • DS1687-5IND+ is a real-time clock (RTC) and nonvolatile controller manufactured by Maxim Integrated. It combines a 3V lithium battery, quartz crystal, and support circuitry in a single package.

  2. How is DS1687-5IND+ typically used in technical solutions?

    • DS1687-5IND+ is commonly used in embedded systems, industrial automation, medical devices, and other applications that require accurate timekeeping and nonvolatile storage of critical data.

  3. What are the key features of DS1687-5IND+?

    • The key features of DS1687-5IND+ include a real-time clock/calendar, 114 bytes of nonvolatile RAM, programmable alarms, power-fail control circuitry, and a 32.768kHz crystal oscillator.

  4. How does DS1687-5IND+ handle power failures?

    • DS1687-5IND+ includes power-fail control circuitry that automatically switches to the backup battery during power outages, ensuring continuous operation and data retention.

  5. Can DS1687-5IND+ be interfaced with microcontrollers or processors?

    • Yes, DS1687-5IND+ can be easily interfaced with microcontrollers or processors using standard serial communication protocols such as I2C or SPI.

  6. What is the typical operating voltage range for DS1687-5IND+?

    • DS1687-5IND+ operates within a voltage range of 2.97V to 3.63V, making it suitable for use with a wide variety of electronic systems.

  7. Does DS1687-5IND+ support temperature compensation for the real-time clock?

    • Yes, DS1687-5IND+ incorporates temperature compensation to ensure accurate timekeeping across varying environmental conditions.

  8. Can DS1687-5IND+ be used in battery-powered devices?

    • Yes, DS1687-5IND+ is designed to minimize power consumption, making it suitable for use in battery-powered devices where energy efficiency is crucial.

  9. Is DS1687-5IND+ compatible with industry-standard timekeeping formats?

    • Yes, DS1687-5IND+ supports industry-standard timekeeping formats, including seconds, minutes, hours, day of the week, date, month, and year.

  10. Are there any application notes or reference designs available for integrating DS1687-5IND+ into technical solutions?

    • Yes, Maxim Integrated provides comprehensive application notes, reference designs, and technical support to assist engineers in seamlessly integrating DS1687-5IND+ into their designs.