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Name: DS12885S
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS12885S
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 DS12885S

Part No.:: DS12885S

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 24-SOIC (0.295, 7.50mm Width)

Datasheet:: DS12885S.pdf

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

In Stock:: 589

Quantity:: Add To Cart

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DS12885S Specifications

Package/Case:
24-SOIC (0.295, 7.50mm Width)
Packaging:
Tube,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:
Surface Mount

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DS12885S information

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Basic introduction and simple engineering application of DS12885S

DS12885S is a real-time clock (RTC) integrated circuit commonly used in electronic projects and systems requiring accurate timekeeping functionality. It provides precise timing information, including hours, minutes, seconds, and calendar date, making it suitable for applications such as data logging, scheduling, and time-sensitive operations.

Application Scenario:

In a simple project, DS12885S can be utilized to create a digital clock with alarm functionality. This project will involve interfacing the RTC with a microcontroller and displaying the time on an LCD screen, along with the capability to set alarms.

Project Implementation:

To create a digital clock with alarm using DS12885S, follow these steps:

1. Hardware Setup:

Connect the DS12885S RTC module to a microcontroller board, such as Arduino, using the I2C or SPI interface. Ensure proper wiring of the SDA (data) and SCL (clock) lines, as well as power and ground connections.

2. Library Installation:

Download and install the appropriate RTC library for your microcontroller platform. Libraries are available for popular development boards like Arduino, Raspberry Pi, and STM32.

3. Initialization:

Initialize the RTC module in your microcontroller code by configuring the date, time, and alarm settings. This typically involves sending commands and data to the RTC chip via the I2C or SPI interface.

4. Time Display:

Display the current time retrieved from the DS12885S RTC on an LCD screen connected to the microcontroller. Format the time information (hours, minutes, seconds) as required for your project.

5. Alarm Functionality:

Implement alarm functionality by setting alarm triggers in the RTC module. When the specified time matches the current time, trigger an alarm signal to alert the user, such as activating a buzzer or flashing LEDs.

6. User Interface:

Enhance the user interface by adding buttons or a keypad to set the clock time and alarm settings. Use the microcontroller's digital inputs to detect user input and update the RTC configuration accordingly.

7. Testing and Debugging:

Test the digital clock with alarm system thoroughly to ensure accurate timekeeping and reliable alarm triggering. Debug any issues with the hardware connections, code logic, or RTC configuration.

Considerations:

- Power Supply: Ensure stable power supply to the DS12885S RTC module and microcontroller to prevent timing inaccuracies or data loss.

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

- Interrupt Handling: Configure interrupt routines in the microcontroller code to handle RTC alarms and update the display or trigger external events promptly.

- User Interface Design: Design a user-friendly interface for setting the clock time and alarm settings, considering factors such as button layout, menu navigation, and feedback mechanisms.

- Alarm Output Options: Provide flexibility in alarm output options, allowing users to choose between audible alarms, visual alerts, or external notifications via connected devices.

DS12885S FAQ

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3. Are the DS12885S price and inventory displayed accurate?

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6. What is the process for return or replacement of DS12885S?

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 DS12885S we delivered, we will accept the replacement or return of the DS12885S 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 DS12885S.

(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