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DS12887A+

DS12887A+

Manufacturer No:

DS12887A+

Description:

IC RTC CLK/CALENDAR PAR 24EDIP

Datasheet:

Datasheet

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DS12887A+ Specifications

  • Type
    Parameter
  • Mounting Type
    Through Hole
  • Operating Temperature
    0°C ~ 70°C
  • Voltage - Supply
    4.5V ~ 5.5V
  • Interface
    Parallel
  • Date Format
    YY-MM-DD-dd
  • Time Format
    HH:MM:SS (12/24 hr)
  • Features
    Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
  • Type
    Clock/Calendar
  • DigiKey Programmable
    Not Verified
  • Product Status
    Active
  • Packaging
    Tube
  • Series
    -
The DS12887A+ is an integrated circuit chip that serves as a real-time clock (RTC) and calendar with non-volatile RAM (NVRAM). Here are some advantages and application scenarios of the DS12887A+:Advantages: 1. Real-time clock functionality: The DS12887A+ provides accurate timekeeping capabilities, including seconds, minutes, hours, day, date, month, and year. It can handle leap years and adjust for months with fewer than 31 days. 2. Non-volatile RAM: The chip includes 114 bytes of NVRAM, which can be used to store critical data even when the power is turned off. This feature ensures data integrity and eliminates the need for an external battery backup. 3. Battery backup switch-over circuitry: The DS12887A+ has built-in circuitry that automatically switches to the backup battery when the main power supply is lost. This ensures uninterrupted timekeeping and data retention during power outages. 4. Low power consumption: The chip is designed to operate with low power consumption, making it suitable for battery-powered devices or applications where power efficiency is crucial.Application scenarios: 1. Embedded systems: The DS12887A+ is commonly used in embedded systems that require accurate timekeeping, such as industrial automation, medical devices, and automotive applications. It ensures precise scheduling, event logging, and time synchronization. 2. Personal computers: The chip can be found in older personal computers as part of the motherboard's RTC circuitry. It provides the system with the current time and date, which is essential for various system functions like file timestamps, scheduled tasks, and system event logging. 3. Data loggers: The DS12887A+ can be used in data logging applications where time-stamped data needs to be recorded. It ensures accurate timekeeping for data synchronization and allows for the retrieval of time-specific information from the logged data. 4. Alarm systems: The chip can be utilized in alarm systems to maintain accurate time for event scheduling, time-based triggers, and logging of alarm events. The NVRAM feature ensures that alarm event logs are not lost during power failures.Overall, the DS12887A+ integrated circuit chip offers reliable real-time clock functionality and NVRAM storage, making it suitable for a wide range of applications that require accurate timekeeping and data retention capabilities.
DS12887A+ Relevant information