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Name: DS1338U-33
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1338U-33
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 DS1338U-33

Part No.:: DS1338U-33

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1338U-33.pdf

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

In Stock:: 8469

Quantity:: Add To Cart

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DS1338U-33 Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
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:
3V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 3.7V
Current-Timekeeping(Max):
125µA ~ 200µA @ 3.63V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1338U-33 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1338U-33 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-33 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-33 information

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Basic introduction and simple engineering application of DS1338U-33

DS1338U-33 is a real-time clock (RTC) IC with an integrated trickle charger and battery backup, commonly used in embedded systems for timekeeping applications. It features a highly accurate RTC with a temperature-compensated crystal oscillator (TCXO) and a programmable alarm output.

Application Scenario:

In a digital alarm clock project, DS1338U-33 can be utilized to keep track of time accurately and trigger alarm events at specified times.

Circuit Design:

To create a digital alarm clock using DS1338U-33, follow these steps:

1. RTC Connection:

Connect DS1338U-33 to the microcontroller, such as an Arduino or Raspberry Pi, using the I2C interface. Ensure proper pull-up resistors are connected to the SDA and SCL lines for reliable communication.

2. Time Setting:

Utilize the microcontroller to set the current time and alarm thresholds. Interact with DS1338U-33 registers via I2C communication to configure the RTC according to the desired time format and alarm settings.

3. Alarm Triggering:

Program the microcontroller to monitor the RTC's alarm output pin. When the alarm threshold is reached, the microcontroller can activate external devices, such as buzzers or LEDs, to indicate the alarm event.

4. Power Supply:

Ensure a stable power supply is provided to DS1338U-33 and the microcontroller. Connect a backup battery to maintain timekeeping functionality during power outages.

5. User Interface:

Integrate user input controls, such as buttons or a touchscreen, to allow users to set the alarm time and interact with the clock. Use the microcontroller's GPIO pins to interface with these input devices.

Considerations:

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

- Battery Backup: Ensure the backup battery can sustain RTC operation during power interruptions to prevent time loss.

- Alarm Accuracy: Calibrate the RTC to maintain accurate timekeeping and ensure reliable alarm triggering.

- User Experience: Design a user-friendly interface for setting the alarm time and interacting with the clock functionalities.

- Power Consumption: Optimize the firmware and hardware design to minimize power consumption, especially in low-power modes to prolong battery life.

- Alarm Output: Select appropriate external devices for alarm indication, considering factors such as sound volume and visual feedback for user convenience.

DS1338U-33 FAQ

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6. What is the process for return or replacement of DS1338U-33?

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-33 we delivered, we will accept the replacement or return of the DS1338U-33 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-33.

(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