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Name: DS1286+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1286+
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 DS1286+

Part No.:: DS1286+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 28-DIP Module (0.61, 15.49mm), 23 Leads

Datasheet:: DS1286+.pdf

Description:: IC RTC CLK/CALENDAR PAR 28-EDIP

In Stock:: 2921

Quantity:: Add To Cart

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DS1286+ Specifications

Package/Case:
28-DIP Module (0.61, 15.49mm), 23 Leads
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer
MemorySize:
50B
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.4V ~ 3.5V
Current-Timekeeping(Max):
7mA @ 5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

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DS1286+ information

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Basic introduction and simple engineering application of DS1286+

DS1286+ is a real-time clock (RTC) chip developed by Maxim Integrated, designed to provide accurate timekeeping functionality for various electronic devices. It integrates a clock/calendar, battery backup, and programmable alarms, making it ideal for applications requiring precise timekeeping, such as data logging systems, digital clocks, and industrial automation equipment.

Application Scenario:

In this tutorial, we'll explore a simple project using the DS1286+ RTC chip to create a digital clock with alarm functionality using an Arduino microcontroller.

Project Setup:

To build the digital clock with alarm using DS1286+, follow these steps:

1. Hardware Connections:

Connect the DS1286+ chip to the Arduino microcontroller using the I2C protocol. Wire the SDA pin of the DS1286+ to the Arduino's SDA pin and the SCL pin to the Arduino's SCL pin. Ensure proper power connections and add a backup battery to maintain timekeeping during power loss.

2. Arduino Sketch:

Write an Arduino sketch to interface with the DS1286+ chip. Use the Arduino Wire library to communicate with the RTC chip over the I2C bus. Implement functions to set the current time, read the time, and configure alarm settings.

3. Digital Clock Display:

Connect an LCD display to the Arduino to show the current time read from the DS1286+ chip. Use appropriate libraries and functions to display the time in hours, minutes, and seconds format.

4. Alarm Functionality:

Implement alarm functionality in the Arduino sketch using the DS1286+ chip's programmable alarm feature. Set the desired alarm time and configure the Arduino to trigger an action, such as activating a buzzer or flashing an LED, when the alarm time is reached.

5. Testing:

Test the digital clock with alarm functionality by setting different alarm times and verifying that the alarm triggers correctly. Ensure that the clock maintains accurate timekeeping even after power cycles or when running on backup battery power.

Considerations:

When working with the DS1286+ chip in this project, consider the following:

- Power Supply: Ensure stable power to the RTC chip and Arduino to prevent timekeeping errors.

- I2C Communication: Verify proper communication between the DS1286+ chip and Arduino by checking for correct wiring and addressing.

- Alarm Accuracy: Test the accuracy of the alarm triggering to ensure reliability in real-world applications.

- Backup Battery: Install a backup battery to maintain timekeeping during power outages or when the main power source is disconnected.

- User Interface: Consider adding buttons or a user interface to the Arduino to allow users to set the time and configure alarm settings easily.

DS1286+ FAQ

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6. What is the process for return or replacement of DS1286+?

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 DS1286+ we delivered, we will accept the replacement or return of the DS1286+ 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 DS1286+.

(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