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DS12C887A

DS12C887A

Manufacturer No:

DS12C887A

Description:

IC RTC CLK/CALENDAR PAR 24EDIP

Datasheet:

Datasheet

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DS12C887A 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
    Obsolete
  • Packaging
    Tube
  • Series
    -
The DS12C887A is a real-time clock (RTC) integrated circuit chip manufactured by Maxim Integrated. It offers several advantages and finds application in various scenarios. Some of the advantages and application scenarios of the DS12C887A are:Advantages: 1. Real-Time Clock: The DS12C887A provides accurate timekeeping functionality, including seconds, minutes, hours, day, date, month, and year information. It can operate in both 12-hour and 24-hour formats.2. Non-Volatile RAM: The chip incorporates 114 bytes of non-volatile RAM (NVRAM) that can be used to store critical data even when the power is turned off. This feature is useful for applications requiring data persistence.3. Battery Backup: The DS12C887A has a built-in power sense circuitry that automatically switches to a backup power source (typically a battery) when the main power supply is disconnected. This ensures uninterrupted timekeeping and data retention during power outages.4. Alarm Functionality: The chip supports two programmable time-of-day alarms, which can be used to trigger specific actions or events at predefined times. This feature is beneficial in applications requiring scheduled operations.5. I2C Interface: The DS12C887A communicates with the host microcontroller or system through an I2C (Inter-Integrated Circuit) serial interface. This interface allows for easy integration with various microcontrollers and simplifies the communication protocol.Application Scenarios: 1. Embedded Systems: The DS12C887A is commonly used in embedded systems that require accurate timekeeping, such as industrial automation, home automation, and IoT devices. It ensures synchronized operations and time-stamping of events.2. Data Logging: The non-volatile RAM of the DS12C887A makes it suitable for applications involving data logging, such as temperature monitoring systems, energy meters, and environmental monitoring devices. The RTC chip can store critical data even during power interruptions.3. Alarm Systems: The alarm functionality of the DS12C887A is useful in alarm systems, where specific actions need to be triggered at predefined times. It can be employed in security systems, wake-up alarms, and event scheduling applications.4. Medical Devices: The accurate timekeeping and battery backup features of the DS12C887A make it suitable for medical devices that require precise timing, such as patient monitoring systems, drug dispensers, and medical equipment with time-sensitive operations.5. Consumer Electronics: The DS12C887A can be found in various consumer electronics devices, including digital cameras, set-top boxes, and audio/video recorders. It ensures accurate time display and synchronization of operations.Overall, the DS12C887A offers reliable real-time clock functionality, non-volatile data storage, and alarm capabilities, making it a versatile choice for applications requiring accurate timekeeping and data persistence.
DS12C887A Relevant information