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Name: DS1340U-3+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1340U-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 DS1340U-3+

Part No.:: DS1340U-3+

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1340U-3+.pdf

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

In Stock:: 3421

Quantity:: Add To Cart

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DS1340U-3+ Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Leap Year, Trickle-Charger
MemorySize:
-
TimeFormat:
HH:MM:SS (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):
125µA @ 3.3V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1340U-3+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1340U-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 DS1340U-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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DS1340U-3+ information

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Basic introduction and simple engineering application of DS1340U-3+

DS1340U-3+ is a real-time clock (RTC) chip manufactured by Maxim Integrated, providing accurate timekeeping and calendar functions. It operates with low power consumption, making it suitable for battery-powered devices and applications requiring precise timekeeping.

Introduction:

The DS1340U-3+ RTC chip integrates a temperature-compensated crystal oscillator (TCXO) and a 32.768kHz quartz crystal, ensuring accurate timekeeping over a wide temperature range. It communicates with the host microcontroller via a simple I2C interface, making it easy to integrate into various projects.

Application Scenario:

In a digital alarm clock project, the DS1340U-3+ can be utilized to maintain accurate timekeeping and trigger alarms at specified times. Let's explore how to incorporate this RTC chip into the alarm clock circuit:

1. RTC Connection:

Connect the DS1340U-3+ to the microcontroller, ensuring proper I2C connections. The DS1340U-3+ typically has SDA (Serial Data) and SCL (Serial Clock) pins, which should be connected to corresponding pins on the microcontroller.

2. Initialization:

Initialize the DS1340U-3+ RTC chip in the microcontroller firmware. This involves setting the current time and date, configuring alarm settings, and enabling periodic timekeeping interrupts.

3. User Interface:

Integrate a user interface with the microcontroller, such as buttons and an LCD display. Use the microcontroller's GPIO pins to read user input and display time information and alarm status on the LCD.

4. Alarm Functionality:

Implement alarm functionality using the DS1340U-3+ RTC chip. Set the desired alarm time in the DS1340U-3+ registers and configure the microcontroller to respond to the alarm interrupt by triggering an audible alarm or turning on an LED.

5. Power Management:

Optimize power management to minimize power consumption when the alarm clock is not in use. Utilize the low-power features of the DS1340U-3+ and implement sleep modes in the microcontroller to conserve battery life.

Experiment:

To better understand the functionality of the DS1340U-3+ RTC chip, you can conduct the following experiment:

Experiment Setup:

1. Connect the DS1340U-3+ RTC chip to an Arduino or similar microcontroller development board using the I2C interface.

2. Write a simple Arduino sketch to initialize the RTC chip, set the current time, and configure an alarm for a few minutes ahead.

3. Connect an LED to one of the microcontroller's GPIO pins to serve as the alarm indicator.

4. Upload the sketch to the microcontroller and observe the LED behavior. The LED should turn on when the alarm time is reached, indicating that the alarm functionality is working correctly.

Conclusion:

Incorporating the DS1340U-3+ RTC chip into projects such as digital alarm clocks enhances timekeeping accuracy and enables advanced features like alarm functionality. By following the provided guidelines and conducting experiments, students and beginners can gain hands-on experience with this versatile RTC chip.

DS1340U-3+ FAQ

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6. What is the process for return or replacement of DS1340U-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 DS1340U-3+ we delivered, we will accept the replacement or return of the DS1340U-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 DS1340U-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