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Name: DS1340U-18
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1340U-18
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-18

Part No.:: DS1340U-18

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1340U-18.pdf

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

In Stock:: 2081

Quantity:: Add To Cart

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DS1340U-18 Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
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:
1.71V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 3.7V
Current-Timekeeping(Max):
100µA @ 1.89V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1340U-18 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1340U-18 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-18 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-18 information

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Basic introduction and simple engineering application of DS1340U-18

DS1340U-18 is a low-power real-time clock (RTC) chip designed by Maxim Integrated, providing accurate timekeeping functionality for various electronic systems. It features a simple serial interface, consumes minimal power, and operates over a wide temperature range.

Application Scenario:

In a digital alarm clock project, DS1340U-18 can be utilized to maintain accurate timekeeping and trigger alarm events at specific times.

Circuit Design:

To implement a digital alarm clock using DS1340U-18, follow these steps:

1. RTC Connection:

Connect DS1340U-18 to the microcontroller's serial interface, such as I2C or SPI, ensuring proper wiring and addressing. Configure the necessary communication protocol and register settings for interfacing with the RTC.

2. Timekeeping:

Initialize DS1340U-18 with the current date and time upon system startup. Implement routines to periodically update the RTC with accurate time information, adjusting for drift and leap years as necessary.

3. Alarm Functionality:

Configure alarm registers within DS1340U-18 to trigger an interrupt or set a flag when the specified alarm time is reached. Utilize the microcontroller to handle the alarm event, such as activating a buzzer or displaying a notification on an LCD screen.

4. User Interface:

Integrate user input components, such as buttons or a keypad, to set the alarm time and adjust clock settings. Utilize the microcontroller's GPIO pins to interface with these input devices and update DS1340U-18 accordingly.

5. Power Management:

Implement power-saving features to minimize DS1340U-18's power consumption during idle periods. Utilize the chip's low-power modes and consider adding a backup battery to maintain timekeeping functionality during power outages.

Considerations:

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

- Clock Accuracy: Ensure DS1340U-18 provides sufficient accuracy for timekeeping requirements, considering factors such as crystal oscillator stability and temperature variations.

- Interrupt Handling: Implement robust interrupt handling routines to respond to alarm events promptly and reliably.

- User Experience: Design a user-friendly interface for setting alarms and interacting with the digital alarm clock, considering factors such as button layout and menu navigation.

- Power Supply: Provide stable power to both DS1340U-18 and the microcontroller, considering voltage regulation and noise filtering to ensure reliable operation.

- Testing and Validation: Thoroughly test the digital alarm clock system to verify its functionality, including alarm triggering accuracy, timekeeping precision, and user interface responsiveness.

DS1340U-18 FAQ

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6. What is the process for return or replacement of DS1340U-18?

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-18 we delivered, we will accept the replacement or return of the DS1340U-18 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-18.

(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