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Name: DS12887A+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS12887A+
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 DS12887A+

Part No.:: DS12887A+

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS12887A+.pdf

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

In Stock:: 2589

Quantity:: Add To Cart

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DS12887A+ Specifications

Package/Case:
24-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Active
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

DS12887A+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS12887A+ price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DS12887A+ to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DS12887A+ information

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Basic introduction and simple engineering application of DS12887A+

DS12887A+ is a real-time clock (RTC) chip commonly used in embedded systems to provide accurate timekeeping and calendar functions. It features a built-in lithium battery backup to maintain timekeeping even when the main power is off.

Application Scenario:

In electronic projects requiring precise timekeeping, DS12887A+ can be utilized to timestamp events, schedule tasks, or synchronize operations across multiple devices.

Experiment Setup:

To understand the functionality of DS12887A+ and its integration into a simple project, follow these steps:

1. Circuit Connection:

Connect DS12887A+ to a microcontroller board, such as an Arduino or Raspberry Pi, via the Inter-Integrated Circuit (I2C) interface. Wire the SDA (data) and SCL (clock) pins of DS12887A+ to the corresponding pins on the microcontroller.

2. Power Supply:

Ensure DS12887A+ is powered correctly. Provide a stable power supply within the specified voltage range (typically 3V to 5.5V). The built-in lithium battery should also be connected to maintain timekeeping during power loss.

3. Initialization:

Initialize DS12887A+ by sending appropriate commands through the I2C interface. This includes setting the current time and date, configuring alarm functions, and enabling periodic updates.

4. Timekeeping:

Observe the timekeeping functionality of DS12887A+ by reading the current time and date registers. Verify that the clock continues to run accurately, even after power cycling the system.

5. Alarm Functionality:

Test the alarm functionality by setting an alarm time and configuring the alarm output pin. When the alarm triggers, the specified pin should change state, indicating the alarm event.

6. Data Retention:

Remove the main power source to simulate a power failure. Verify that DS12887A+ continues to maintain accurate timekeeping using the backup lithium battery. Reapply power and confirm that the clock resumes operation seamlessly.

Considerations:

When working with DS12887A+, consider the following factors:

- I2C Communication: Ensure proper I2C bus configuration and address assignment to communicate with DS12887A+ effectively.

- Battery Maintenance: Monitor the status of the backup lithium battery periodically and replace it as needed to prevent data loss during extended power outages.

- Time Format: Pay attention to the time and date format used by DS12887A+ (e.g., binary-coded decimal or 24-hour clock) to interpret the data correctly.

- Integration with Microcontroller: Understand the register-level interface of DS12887A+ to interface it seamlessly with your microcontroller platform of choice.

- Data Backup: Implement mechanisms to periodically save important timekeeping data to non-volatile memory to safeguard against unexpected power loss scenarios.

DS12887A+ FAQ

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3. Are the DS12887A+ price and inventory displayed accurate?

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6. What is the process for return or replacement of DS12887A+?

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 DS12887A+ we delivered, we will accept the replacement or return of the DS12887A+ 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 DS12887A+.

(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