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Name: DS14285S+T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS14285S+T&R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc./Maxim Integrated DS14285S+T&R

Part No.:: DS14285S+T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS14285S+T&R.pdf

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

In Stock:: 3224

Quantity:: Add To Cart

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DS14285S+T&R Specifications

Package/Case:
24-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR)
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

DS14285S+T&R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS14285S+T&R 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 DS14285S+T&R 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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DS14285S+T&R information

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Basic introduction and simple engineering application of DS14285S+T&R

DS14285S+T&R is a real-time clock (RTC) module manufactured by Maxim Integrated, providing accurate timekeeping and alarm functions. It integrates a quartz crystal and a temperature-compensated RTC, ensuring precise timekeeping even in extreme temperature environments.

Introduction:

DS14285S+T&R is widely used in various electronic devices requiring accurate timekeeping, such as digital clocks, data loggers, and medical devices. Its small form factor and low power consumption make it suitable for battery-powered applications.

Application Scenario:

In a digital alarm clock project, DS14285S+T&R can be utilized to maintain accurate time and trigger alarm events at specified intervals.

Project Setup:

To create a digital alarm clock using DS14285S+T&R, follow these steps:

1. Hardware Setup:

Connect DS14285S+T&R module to a microcontroller board, such as Arduino, using the I2C communication protocol. Ensure proper wiring of SDA (data) and SCL (clock) lines between the module and the microcontroller.

2. Initialization:

Initialize the DS14285S+T&R module in the microcontroller firmware by configuring the I2C communication settings and setting the initial time and date.

3. Timekeeping:

Continuously read the time registers of DS14285S+T&R to keep track of the current time. Implement logic to update the time display periodically, such as every second or minute.

4. Alarm Functionality:

Set up alarm registers in DS14285S+T&R to trigger an alarm event at a specific time. When the alarm condition is met, generate an interrupt or activate a buzzer to notify the user.

5. User Interface:

Integrate a user interface, such as an LCD display or LEDs, to show the current time and alarm status. Utilize microcontroller GPIO pins to control the display components.

Experiment:

To understand the functionality of DS14285S+T&R, perform the following experiment:

1. Circuit Connection:

Connect DS14285S+T&R module to an Arduino board following the datasheet pinout. Use jumper wires to connect SDA and SCL pins to Arduino's corresponding pins (A4 and A5 for most Arduino models).

2. Firmware Development:

Write Arduino firmware to initialize the RTC module and continuously read the time registers. Display the current time on an LCD display connected to Arduino.

3. Alarm Setup:

Implement an alarm function in the firmware to trigger a buzzer when a predefined time is reached. Use the alarm registers of DS14285S+T&R to set the alarm time.

4. Testing:

Upload the firmware to Arduino and power on the circuit. Verify that the RTC module maintains accurate timekeeping and triggers the alarm correctly at the specified time.

Considerations:

When working with DS14285S+T&R, consider the following:

- Power Supply: Ensure stable power supply voltage to the RTC module to prevent clock drift and maintain accurate timekeeping.

- Backup Battery: Install a backup battery to retain timekeeping functionality in case of main power loss.

- I2C Communication: Properly configure the I2C bus speed and address settings to enable communication between the RTC module and the microcontroller.

- Alarm Accuracy: Test the accuracy of alarm triggering under various conditions to ensure reliable operation.

- User Interface Design: Design a user-friendly interface to interact with the alarm clock, providing clear indications of time and alarm status.

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6. What is the process for return or replacement of DS14285S+T&R?

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+T&R we delivered, we will accept the replacement or return of the DS14285S+T&R 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+T&R.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations