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Name: DS1338U-3+T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1338U-3+T&R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc./Maxim Integrated DS1338U-3+T&R

Part No.:: DS1338U-3+T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: DS1338U-3+T&R.pdf

Description:: IC RTC CLK/CALENDAR I2C 8-USOP

In Stock:: 3843

Quantity:: Add To Cart

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DS1338U-3+T&R Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Leap Year, NVSRAM, Square Wave Output
MemorySize:
56B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
2.7V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 3.7V
Current-Timekeeping(Max):
200µA @ 3.3V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1338U-3+T&R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1338U-3+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 DS1338U-3+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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DS1338U-3+T&R information

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Basic introduction and simple engineering application of DS1338U-3+T&R

DS1338U-3+T&R is a real-time clock (RTC) chip manufactured by Maxim Integrated. It is widely used in electronic projects requiring precise timekeeping functionality. The DS1338U-3+T&R features a simple I2C interface, low power consumption, and a battery backup system, making it suitable for a variety of applications.

Application Scenario:

In a digital alarm clock project, the DS1338U-3+T&R can be utilized to maintain accurate timekeeping even when the main power source is disconnected. It ensures that the alarm clock retains the correct time and triggers alarms at predefined intervals.

Circuit Design:

To create a digital alarm clock using DS1338U-3+T&R, follow these steps:

1. Connection to Microcontroller:

Connect the DS1338U-3+T&R to a microcontroller, such as an Arduino or Raspberry Pi, using the I2C communication protocol. Wire the SDA and SCL pins of the RTC chip to the corresponding pins on the microcontroller.

2. Battery Backup:

Provide a backup power source, such as a coin cell battery, to the DS1338U-3+T&R to ensure uninterrupted timekeeping during power outages. Connect the battery to the designated battery input pin on the RTC chip.

3. Setting the Time:

Write a simple program on the microcontroller to initialize the RTC chip and set the current time. Use the microcontroller's I2C library to communicate with the DS1338U-3+T&R and send the appropriate commands to set the hours, minutes, and seconds.

4. Alarm Functionality:

Implement alarm functionality in the microcontroller firmware to trigger events at specific times. Continuously compare the current time from the RTC with the predefined alarm time, and activate external devices, such as buzzers or LEDs, when the alarm condition is met.

5. User Interface:

Design a user interface for the digital alarm clock using buttons or a touchscreen display. Allow users to set alarms, adjust settings, and view the current time. Utilize the microcontroller's GPIO pins to interface with the user input and display components.

Considerations:

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

- Power Consumption: Optimize the firmware and hardware design to minimize power consumption, especially when running on battery backup.

- Accuracy: Ensure that the DS1338U-3+T&R maintains accurate timekeeping over extended periods, considering factors like temperature variations and battery voltage fluctuations.

- User Experience: Design the user interface to be intuitive and user-friendly, providing clear feedback and easy navigation for setting alarms and adjusting settings.

- Alarm Reliability: Test the alarm triggering mechanism thoroughly to ensure reliable operation under various conditions, such as different alarm frequencies and environmental factors.

- Enclosure Design: Consider the physical enclosure design to protect the circuit components and provide convenient access to user controls and display elements.

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3. Are the DS1338U-3+T&R price and inventory displayed accurate?

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6. What is the process for return or replacement of DS1338U-3+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 DS1338U-3+T&R we delivered, we will accept the replacement or return of the DS1338U-3+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 DS1338U-3+T&R.

(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