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Name: DS14285S
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS14285S
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 DS14285S

Part No.:: DS14285S

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS14285S.pdf

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

In Stock:: 2359

Quantity:: Add To Cart

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DS14285S Specifications

Package/Case:
24-SOIC (0.295, 7.50mm Width)
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 ~ 3.6V
Current-Timekeeping(Max):
0.5µA @ 4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

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DS14285S information

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Basic introduction and simple engineering application of DS14285S

DS14285S is a real-time clock (RTC) module with integrated temperature compensation and a battery backup feature, commonly used in embedded systems for precise timekeeping applications. It provides accurate timekeeping and calendar functions, making it suitable for various applications requiring time-sensitive operations.

Application Scenario:

In a digital alarm clock project, DS14285S can be utilized to maintain accurate timekeeping and trigger alarm events at specific times.

Circuit Design:

To create a digital alarm clock using DS14285S, follow these steps:

1. RTC Module Integration:

Connect the DS14285S module to the microcontroller's I2C bus. Ensure proper pull-up resistors are used for the I2C lines, SDA and SCL, to facilitate communication between the microcontroller and the RTC module.

2. Time Setting:

Implement firmware to communicate with the DS14285S module and set the current time and date. Utilize the provided registers and commands to configure the RTC module according to the desired time zone and daylight saving time settings.

3. Alarm Configuration:

Program the DS14285S module to trigger alarm events at specific times. Configure the alarm registers to set the desired alarm time and date, along with any recurring alarm settings.

4. User Interface:

Integrate user interface components, such as buttons and an LCD display, to interact with the digital alarm clock. Use GPIO pins of the microcontroller to read user input and display time and alarm information on the LCD.

5. Alarm Activation:

Implement firmware logic to monitor the current time and compare it with the set alarm time. When the alarm time matches the current time, activate the alarm signal, such as a buzzer or LED indicator, to notify the user.

Considerations:

When designing the digital alarm clock, consider the following:

- Power Backup: Ensure the RTC module is powered by a backup battery to maintain timekeeping functionality during power outages or when the main power source is disconnected.

- User Interface Design: Design an intuitive user interface to set the time, configure alarms, and interact with the alarm clock easily.

- Alarm Accuracy: Test the alarm triggering mechanism to ensure accurate alarm activation at the specified times.

- Low Power Consumption: Optimize the firmware and hardware design to minimize power consumption, especially when the alarm clock is in standby mode.

- System Integration: Integrate the digital alarm clock seamlessly into the desired application environment, considering factors like enclosure design and mounting options.

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6. What is the process for return or replacement of DS14285S?

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 DS14285S we delivered, we will accept the replacement or return of the DS14285S 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 DS14285S.

(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