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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
    Active
  • 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 either 12-hour or 24-hour format.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. Integrated Oscillator: The DS12C887A+ includes an integrated 32.768 kHz quartz crystal oscillator, eliminating the need for an external oscillator circuit. This simplifies the design and reduces component count.Application Scenarios: 1. Embedded Systems: The DS12C887A+ is commonly used in embedded systems that require accurate timekeeping, such as industrial automation, data loggers, and control systems. It ensures precise timestamping and scheduling of events.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 operations and software applications.3. Consumer Electronics: The DS12C887A+ is utilized in consumer electronics devices like digital cameras, set-top boxes, and home appliances that require timekeeping functionality. It enables accurate time display and synchronization.4. Medical Equipment: Medical devices often rely on accurate timekeeping for scheduling tasks, recording events, and synchronization. The DS12C887A+ can be used in medical equipment like patient monitors, infusion pumps, and diagnostic instruments.5. Automotive Systems: The chip finds application in automotive systems, including dashboard clocks, car audio systems, and GPS navigation units. It ensures accurate time display and synchronization with other vehicle systems.Overall, the DS12C887A+ offers reliable real-time clock functionality, non-volatile data storage, and alarm capabilities, making it suitable for a wide range of applications requiring accurate timekeeping and data persistence.
DS12C887A+ Relevant information