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Name: DS12885Q+T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS12885Q+T&R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc./Maxim Integrated DS12885Q+T&R

Part No.:: DS12885Q+T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 28-LCC (J-Lead)

Datasheet:: DS12885Q+T&R.pdf

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

In Stock:: 2274

Quantity:: Add To Cart

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DS12885Q+T&R Specifications

Package/Case:
28-LCC (J-Lead)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
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

DS12885Q+T&R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS12885Q+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 DS12885Q+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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DS12885Q+T&R information

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Basic introduction and simple engineering application of DS12885Q+T&R

DS12885Q+T&R is a real-time clock (RTC) module manufactured by Maxim Integrated, designed to provide accurate timekeeping and calendar functions in various electronic systems. This integrated circuit (IC) incorporates a quartz crystal oscillator and non-volatile memory to maintain time and date information even in the absence of power.

Basic Introduction:

The DS12885Q+T&R RTC module features a serial interface for communication with microcontrollers, making it suitable for integration into projects requiring precise timekeeping capabilities. It operates over a wide temperature range and offers low-power consumption, making it ideal for battery-powered devices and embedded systems.

Application Scenario:

In a digital alarm clock project, DS12885Q+T&R can be utilized to accurately maintain the current time and date, ensuring reliable alarm functionality.

Project Implementation:

To create a digital alarm clock using DS12885Q+T&R, follow these steps:

1. Circuit Setup:

Connect the DS12885Q+T&R module to a microcontroller development board, such as Arduino or Raspberry Pi, using the serial interface (e.g., I2C or SPI). Ensure proper wiring and connection to power and ground.

2. Time Initialization:

Write a firmware program to initialize the DS12885Q+T&R module and set the current time and date. Utilize the appropriate communication protocol and library functions to communicate with the RTC module.

3. Alarm Configuration:

Implement alarm functionality in the firmware code to trigger events at specific times. Utilize the alarm registers of the DS12885Q+T&R module to set alarm conditions and configure interrupt handling in the microcontroller.

4. User Interface:

Integrate user interface components, such as an LCD display and push buttons, to interact with the alarm clock. Use the microcontroller's GPIO pins to control the display and handle user input for setting alarms and adjusting time settings.

5. Alarm Activation:

Implement firmware logic to check the current time against the set alarm conditions. When the alarm conditions are met, trigger the alarm output, such as activating a buzzer or turning on an LED indicator.

Experiment Steps:

1. Connect the DS12885Q+T&R module to an Arduino board via the I2C interface, ensuring proper wiring of SDA and SCL lines.

2. Install the necessary Arduino libraries for I2C communication and RTC functionality.

3. Write a sketch to initialize the RTC module, set the current time, and configure an alarm for demonstration purposes.

4. Connect an LCD display to the Arduino board and display the current time retrieved from the DS12885Q+T&R module.

5. Implement a simple alarm function that activates an LED when the alarm time is reached.

6. Test the alarm functionality by setting different alarm times and verifying the LED activation.

Considerations:

- Power Backup: Ensure a reliable power source or backup battery for the DS12885Q+T&R module to maintain timekeeping during power outages.

- Accuracy Calibration: Periodically calibrate the RTC module to compensate for any drift in the crystal oscillator frequency and maintain accurate timekeeping.

- User Interface Design: Design a user-friendly interface for setting alarms and adjusting time settings to enhance usability.

- Alarm Notification: Implement multiple alarm options, such as sound alarms and visual indicators, to accommodate different user preferences.

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6. What is the process for return or replacement of DS12885Q+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 DS12885Q+T&R we delivered, we will accept the replacement or return of the DS12885Q+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 DS12885Q+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