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Name: DS17485E-3+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS17485E-3+
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 DS17485E-3+

Part No.:: DS17485E-3+

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS17485E-3+.pdf

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

In Stock:: 447

Quantity:: Add To Cart

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DS17485E-3+ Specifications

Package/Case:
28-TSSOP (0.465, 11.80mm Width)
Packaging:
Tray,Tray
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
MemorySize:
4KB
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
2.7V ~ 3.7V
Voltage-SupplyBattery:
2.5V ~ 3.7V
Current-Timekeeping(Max):
2mA @ 2.7V ~ 3.7V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

DS17485E-3+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS17485E-3+ 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 DS17485E-3+ 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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DS17485E-3+ information

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Basic introduction and simple engineering application of DS17485E-3+

DS17485E-3+ is a real-time clock (RTC) chip manufactured by Maxim Integrated, providing accurate timekeeping functionality for a variety of electronic applications. It integrates a clock/calendar, battery backup, and versatile alarm features, making it suitable for use in devices requiring precise timekeeping capabilities.

Application Scenario:

In a digital alarm clock project, DS17485E-3+ can be utilized to maintain accurate timekeeping and trigger alarm events at specific times.

Circuit Design:

To build a digital alarm clock using DS17485E-3+, follow these steps:

1. RTC Connection:

Connect the DS17485E-3+ chip to the microcontroller or microprocessor used in the project. Utilize the I2C or SPI interface for communication, ensuring proper wiring and addressing.

2. Time Setting:

Implement firmware code to initialize the RTC and set the current time. Utilize the registers and commands provided in the DS17485E-3+ datasheet for accurate time configuration.

3. Alarm Configuration:

Configure alarm registers in the DS17485E-3+ chip to trigger alarm events at specific times. Define alarm conditions, such as hours, minutes, and seconds, along with optional repeat settings.

4. User Interface:

Integrate a user interface, such as buttons and an LCD display, to allow users to set the alarm time and view the current time. Implement firmware routines to handle user input and display updates.

5. Alarm Output:

Connect an output device, such as a buzzer or LED, to indicate when the alarm is triggered. Utilize GPIO pins of the microcontroller to control the alarm output based on the alarm status from the DS17485E-3+ chip.

Considerations:

When designing the digital alarm clock circuit, consider the following factors:

- Power Supply: Ensure stable power is supplied to both the microcontroller and the DS17485E-3+ RTC chip, especially if using battery backup for uninterrupted timekeeping.

- Button Debouncing: Implement debouncing algorithms for user interface buttons to prevent false triggering and ensure reliable alarm setting.

- Alarm Accuracy: Test the alarm functionality to verify its accuracy in triggering events at the specified times, considering factors like clock drift and temperature variations.

- Low Power Operation: Utilize power-saving modes in both the microcontroller and the RTC chip to minimize power consumption, especially in battery-powered applications.

- PCB Layout: Design the PCB layout carefully to minimize noise and interference, ensuring reliable communication between the microcontroller and the DS17485E-3+ chip.

DS17485E-3+ FAQ

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6. What is the process for return or replacement of DS17485E-3+?

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 DS17485E-3+ we delivered, we will accept the replacement or return of the DS17485E-3+ 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 DS17485E-3+.

(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