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Name: DS12885N
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS12885N
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 DS12885N

Part No.:: DS12885N

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS12885N.pdf

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

In Stock:: 3792

Quantity:: Add To Cart

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DS12885N Specifications

Package/Case:
24-DIP (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:
-40°C ~ 85°C
MountingType:
Through Hole

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DS12885N information

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Basic introduction and simple engineering application of DS12885N

DS12885N is a real-time clock (RTC) chip commonly used in electronic projects and embedded systems. It provides accurate timekeeping functions and includes features such as calendar functionality, alarm interrupts, and battery backup support.

Application Scenario:

In a digital alarm clock project, DS12885N can be utilized to track the current time, set alarm triggers, and maintain timekeeping accuracy even when the main power source is disconnected.

Circuit Design:

To create a simple digital alarm clock using DS12885N, follow these steps:

1. Component Setup:

Connect the DS12885N chip to the microcontroller board using the Inter-Integrated Circuit (I2C) communication protocol. Ensure proper power and ground connections, as well as pull-up resistors for the I2C bus.

2. Timekeeping:

Initialize the DS12885N chip to set the current time and date. Utilize the provided registers and commands to configure the clock settings according to your requirements.

3. Alarm Configuration:

Set up alarm triggers by programming the alarm registers in the DS12885N chip. Define the desired alarm time and date, along with any recurring patterns if necessary.

4. User Interface:

Implement a user interface using a microcontroller and peripheral components such as buttons, a display, and a buzzer. Allow users to set the alarm time and enable/disable alarms as needed.

5. Alarm Handling:

Configure the microcontroller to monitor the DS12885N chip for alarm interrupts. When an alarm trigger occurs, activate the buzzer to alert the user and display the alarm message on the screen.

6. Power Backup:

Ensure that the DS12885N chip is connected to a backup power source, such as a coin cell battery, to maintain timekeeping functionality during power outages.

Considerations:

When designing the digital alarm clock circuit, consider the following factors:

- Power Consumption: Optimize the circuit design to minimize power consumption, especially when running on battery backup.

- User Interface Design: Create a user-friendly interface with intuitive controls and clear feedback for setting alarms and interacting with the clock functions.

- Error Handling: Implement error-checking routines to handle communication errors or unexpected behavior from the DS12885N chip.

- Time Accuracy: Regularly synchronize the clock with an external time source or provide options for manual adjustment to ensure accurate timekeeping.

- Testing and Calibration: Thoroughly test the digital alarm clock system to verify its functionality, accuracy, and reliability under various conditions.

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6. What is the process for return or replacement of DS12885N?

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 DS12885N we delivered, we will accept the replacement or return of the DS12885N 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 DS12885N.

(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