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Name: DS17285E-5
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS17285E-5
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 DS17285E-5

Part No.:: DS17285E-5

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 28-TSSOP (0.465, 11.80mm Width)

Datasheet:: DS17285E-5.pdf

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

In Stock:: 5705

Quantity:: Add To Cart

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DS17285E-5 Specifications

Package/Case:
28-TSSOP (0.465, 11.80mm Width)
Packaging:
Tray,Bag
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
2KB
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 3.7V
Current-Timekeeping(Max):
3mA @ 4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

DS17285E-5 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS17285E-5 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 DS17285E-5 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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DS17285E-5 information

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Basic introduction and simple engineering application of DS17285E-5

DS17285E-5 is a real-time clock (RTC) chip manufactured by Maxim Integrated, designed for precise timekeeping applications in various electronic devices. It integrates a quartz crystal oscillator and provides accurate timekeeping functionality, even in the absence of external power.

Application Scenario:

In a digital alarm clock project, the DS17285E-5 can be utilized to keep track of time and trigger alarm events at specific times set by the user.

Circuit Design:

To create a digital alarm clock using the DS17285E-5, follow these steps:

1. RTC Connection:

Connect the DS17285E-5 to the microcontroller, ensuring proper communication via the I2C or SPI interface. Configure the necessary pins for data and clock signals.

2. Display Interface:

Integrate a display module, such as an LCD or LED matrix, to visualize the current time and alarm settings. Utilize GPIO pins of the microcontroller for interfacing and controlling the display.

3. User Input:

Implement user input controls, such as buttons or a rotary encoder, to set the alarm time and enable/disable alarm functionality. Assign GPIO pins for reading input states and triggering actions.

4. Alarm Output:

Connect an alarm buzzer or speaker to the microcontroller's GPIO pins. When the alarm time matches the current time, trigger the GPIO pin to activate the alarm output.

5. Power Management:

Ensure stable power supply to the DS17285E-5 and the microcontroller. Incorporate voltage regulators and capacitors to filter noise and prevent voltage fluctuations.

Experiment Steps:

To understand the functionality of the DS17285E-5 in a digital alarm clock, perform the following experiment:

1. Hardware Setup:

- Connect the DS17285E-5 to a microcontroller development board following the datasheet guidelines.

- Wire up the display module and user input controls to the development board.

2. Software Configuration:

- Write firmware code to initialize the DS17285E-5 and set the current time.

- Implement functions to read user input for setting the alarm time and enable/disable alarm functionality.

- Create routines to continuously update the display with the current time and handle alarm triggering.

3. Testing:

- Power up the system and verify that the RTC starts counting time accurately.

- Use the user input controls to set different alarm times and ensure proper functionality.

- Test the alarm output by reaching the set alarm time and observing the activation of the alarm buzzer or speaker.

4. Optimization:

- Optimize the firmware code for power efficiency and system responsiveness.

- Fine-tune the alarm triggering mechanism to ensure reliability and accuracy.

5. Documentation:

- Document the hardware connections, firmware implementation, and testing results for future reference.

Considerations:

- Backup Power: Implement backup power sources, such as a coin cell battery, to retain RTC timekeeping during power outages.

- User Interface Design: Design an intuitive user interface for easy alarm time setting and configuration.

- Alarm Sound: Choose an appropriate alarm sound and volume level for user convenience.

- Alarm Snooze Functionality: Incorporate snooze functionality to allow users to temporarily silence the alarm and resume it after a set duration.

- Compliance: Ensure compliance with relevant regulatory standards for electronic devices, especially regarding electromagnetic compatibility (EMC) and safety.

DS17285E-5 FAQ

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3. Are the DS17285E-5 price and inventory displayed accurate?

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6. What is the process for return or replacement of DS17285E-5?

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 DS17285E-5 we delivered, we will accept the replacement or return of the DS17285E-5 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 DS17285E-5.

(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