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Name: PT7C4339UEX
Brand: Diodes Incorporated
SKU: PT7C4339UEX
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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Diodes Incorporated PT7C4339UEX

Part No.:: PT7C4339UEX

Manufacturer:: Diodes Incorporated

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

Datasheet:: PT7C4339UEX.pdf

Description:: IC RTC CAL I2C/2-WIRE SER 8MSOP

In Stock:: 2425

Quantity:: Add To Cart

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PT7C4339UEX Specifications

Package/Case:
8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
3V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 3.7V
Current-Timekeeping(Max):
250µA @ 3V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

PT7C4339UEX this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PT7C4339UEX 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 PT7C4339UEX 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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PT7C4339UEX information

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Basic introduction and simple engineering application of PT7C4339UEX

PT7C4339UEX is a real-time clock (RTC) module commonly used in electronic projects and embedded systems for timekeeping applications. It provides accurate timekeeping functionality, making it suitable for a wide range of applications.

Application Scenario:

In a digital alarm clock project, PT7C4339UEX can be utilized to track and display the current time, set alarms, and trigger alarm events.

Circuit Design:

To create a digital alarm clock using PT7C4339UEX, follow these steps:

1. RTC Module Connection:

Connect PT7C4339UEX to the microcontroller's I2C bus. Typically, this involves connecting the module's SDA (data) and SCL (clock) pins to the corresponding pins on the microcontroller, such as pins PB8 and PB9 on an STM32 microcontroller.

2. Display Integration:

Integrate a display module, such as an LCD or OLED display, to visualize the current time and alarm settings. Utilize appropriate communication protocols, such as SPI or I2C, to interface the display with the microcontroller.

3. User Input:

Include user input components, such as buttons or a rotary encoder, to allow users to set the time and alarms. Connect these input devices to GPIO pins on the microcontroller and implement firmware logic to handle user interactions.

4. Alarm Functionality:

Implement alarm functionality using PT7C4339UEX's alarm registers. Configure the desired alarm time and date in the module's registers, and use interrupts to trigger alarm events when the current time matches the set alarm time.

5. Power Supply:

Ensure the circuit has a stable power supply to provide power to the microcontroller, RTC module, and display components. Use voltage regulators and decoupling capacitors to maintain stable voltage levels and minimize noise.

Considerations:

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

- Backup Power Source: PT7C4339UEX typically includes a backup battery to maintain timekeeping functionality during power outages. Ensure the backup battery is properly connected and has sufficient capacity for extended operation.

- Display Compatibility: Choose a display module that is compatible with the microcontroller and easy to interface with. Consider factors such as resolution, size, and available libraries or drivers for seamless integration.

- User Interface Design: Design an intuitive user interface to allow easy time and alarm setting. Consider implementing features such as button debouncing and long-press detection for improved user experience.

- Alarm Accuracy: Test the alarm functionality thoroughly to ensure accurate triggering at the specified time. Consider factors such as interrupt latency and clock drift to optimize alarm accuracy.

- Power Consumption: Optimize the firmware and hardware design to minimize power consumption, especially in low-power modes when the device is idle. This helps prolong battery life and reduce energy consumption.

PT7C4339UEX FAQ

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3. Are the PT7C4339UEX price and inventory displayed accurate?

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of PT7C4339UEX?

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 PT7C4339UEX we delivered, we will accept the replacement or return of the PT7C4339UEX 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 PT7C4339UEX.

(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