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Name: DS12887
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS12887
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated DS12887

Part No.:: DS12887

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 24-DIP Module (0.600, 15.24mm)

Datasheet:: DS12887.pdf

Description:: IC RTC CLK/CALENDAR PAR 24-EDIP

In Stock:: 2489

Quantity:: Add To Cart

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DS12887 Specifications

Package/Case:
24-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
114B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 4V
Current-Timekeeping(Max):
15mA @ 4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

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DS12887 information

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Basic introduction and simple engineering application of DS12887

DS12887 is a real-time clock (RTC) integrated circuit commonly used in electronic devices for timekeeping applications. It combines a battery-backed binary or BCD (binary-coded decimal) real-time clock with a calendar, alarm, and 114 bytes of non-volatile static RAM (NVRAM) for data storage.

Application Scenario:

In various electronic projects, DS12887 can be utilized for tasks requiring accurate timekeeping and date management, such as data logging systems, digital clocks, and automated scheduling devices.

Experiment Setup:

To understand the functionality of DS12887, conduct the following experiment:

1. Hardware Connection:

Connect DS12887 to a microcontroller board or a standalone development board. Ensure proper wiring of the power supply, ground, and communication interface pins (typically, SDA and SCL for I2C communication).

2. Initialization:

Initialize the RTC by setting the current time and date. This can be done through software commands sent to DS12887 via the communication interface.

3. Timekeeping:

Observe the real-time clock functionality by reading the time and date from DS12887 periodically. Display this information on an output device like an LCD or serial monitor.

4. Alarm Configuration:

Set up alarms using the alarm registers in DS12887. Configure specific times for the alarms to trigger and program actions to be taken when they do.

5. Data Storage:

Utilize the non-volatile static RAM (NVRAM) of DS12887 to store small amounts of data. Demonstrate reading from and writing to this memory space.

Considerations:

- Power Backup: Ensure a reliable power backup mechanism, such as a coin cell battery, is connected to DS12887 to maintain timekeeping and data retention during power loss.

- Communication Protocol: Familiarize yourself with the I2C communication protocol if using DS12887 in an I2C bus configuration.

- Data Format: Understand the binary or BCD format used for time and date representation in DS12887 to properly interpret and manipulate the data.

- Error Handling: Implement error-checking mechanisms in your code to handle communication errors or invalid data returned by DS12887.

- Integration: Integrate DS12887 into your project's firmware or software architecture effectively to leverage its timekeeping and data storage capabilities seamlessly.

DS12887 FAQ

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3. Are the DS12887 price and inventory displayed accurate?

The price and inventory of DS12887 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of DS12887?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS12887 we delivered, we will accept the replacement or return of the DS12887 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS12887.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations