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Name: DS1390U-33+T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1390U-33+T&R
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 DS1390U-33+T&R

Part No.:: DS1390U-33+T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

Datasheet:: DS1390U-33+T&R.pdf

Description:: IC RTC CLK/CALENDAR SPI 10-USOP

In Stock:: 25060

Quantity:: Add To Cart

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DS1390U-33+T&R Specifications

Package/Case:
10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, Trickle-Charger
MemorySize:
-
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
2.97V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 5.5V
Current-Timekeeping(Max):
175µA @ 2.97V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1390U-33+T&R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1390U-33+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 DS1390U-33+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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DS1390U-33+T&R information

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Basic introduction and simple engineering application of DS1390U-33+T&R

DS1390U-33+T&R is a real-time clock (RTC) chip manufactured by Maxim Integrated, providing accurate timekeeping and clock/calendar functionality. It operates over a wide voltage range and features low power consumption, making it suitable for various embedded applications.

Basic Introduction:

The DS1390U-33+T&R RTC chip integrates a quartz crystal oscillator, which ensures precise timekeeping even in harsh environmental conditions. It communicates with the host microcontroller via a simple I2C interface, allowing easy integration into existing designs.

Application in Simple Projects:

In a basic project, DS1390U-33+T&R can be utilized to timestamp events or trigger actions based on specific time intervals. Let's consider a simple alarm clock project using DS1390U-33+T&R.

Experiment Steps:

1. Circuit Setup:

Connect DS1390U-33+T&R to your microcontroller using the I2C bus. Ensure proper pull-up resistors (typically 4.7kΩ) are connected to the SDA and SCL lines. Additionally, provide power (VCC) and ground (GND) connections to the chip.

2. Initialization:

Initialize the I2C communication protocol on your microcontroller. Send commands to configure DS1390U-33+T&R for the desired time and date settings. Set an alarm time for the desired wake-up time.

3. Main Loop:

In the main loop of your microcontroller firmware, continuously poll DS1390U-33+T&R to check the current time. Compare the current time with the set alarm time. If they match, trigger the alarm action, such as activating a buzzer or turning on an LED.

4. Alarm Action:

When the alarm is triggered, perform the desired action based on your project requirements. For example, if it's an alarm clock, sound the buzzer to wake the user up.

5. Snooze Functionality:

Implement a snooze functionality by allowing the user to postpone the alarm for a specified duration. Upon snooze activation, reset the alarm time to a later time, providing the user with additional sleep time.

Considerations:

- Power Backup: Ensure that DS1390U-33+T&R is powered by a backup battery to maintain timekeeping functionality during power outages.

- Accuracy Calibration: Periodically calibrate the RTC to compensate for any drift in the crystal oscillator frequency, ensuring accurate timekeeping over extended periods.

- Interrupt Handling: Implement efficient interrupt handling routines in your firmware to respond promptly to alarm triggers while minimizing power consumption.

- User Interface: Enhance the user interface by adding features such as setting the alarm time via buttons or displaying the current time on an LCD screen.

- Error Handling: Implement robust error-handling mechanisms to handle communication errors or RTC malfunctioning scenarios gracefully.

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6. What is the process for return or replacement of DS1390U-33+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 DS1390U-33+T&R we delivered, we will accept the replacement or return of the DS1390U-33+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 DS1390U-33+T&R.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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