What is the Additional Feature ?

Name: PT7C43190LEX
Brand: Diodes Incorporated
SKU: PT7C43190LEX
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 PT7C43190LEX

Part No.:: PT7C43190LEX

Manufacturer:: Diodes Incorporated

Package:: 8-TSSOP (0.173, 4.40mm Width)

Datasheet:: PT7C43190LEX.pdf

Description:: IC RTC CALENDAR 3WIRE SER 8TSSOP

In Stock:: 2557

Quantity:: Add To Cart

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PT7C43190LEX Specifications

Package/Case:
8-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
3-Wire Serial
Voltage-Supply:
1.35V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
0.6µA ~ 14µA @ 3V ~ 5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

PT7C43190LEX this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PT7C43190LEX 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 PT7C43190LEX 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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PT7C43190LEX information

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Basic introduction and simple engineering application of PT7C43190LEX

PT7C43190LEX is a real-time clock (RTC) chip designed for accurate timekeeping in various electronic devices. It provides precise timekeeping functions, including time, date, and alarm features, making it suitable for applications requiring time-sensitive operations.

Application Scenario:

In a digital clock project, PT7C43190LEX can be utilized to maintain accurate timekeeping and trigger alarm functionalities.

Circuit Design:

To create a digital clock using PT7C43190LEX, follow these steps:

1. Clock Connection:

Connect PT7C43190LEX to the microcontroller or host system using the Inter-Integrated Circuit (I2C) communication protocol. Wire the SDA and SCL pins of the RTC chip to the corresponding pins of the microcontroller, ensuring proper pull-up resistors are connected.

2. Power Supply:

Provide a stable power supply to PT7C43190LEX to ensure reliable operation. Connect the VCC and GND pins of the RTC chip to the appropriate power rails, and include decoupling capacitors near the power supply pins to filter out noise.

3. Crystal Oscillator:

Connect an external crystal oscillator, typically a 32.768 kHz crystal, to the X1 and X2 pins of PT7C43190LEX. This crystal provides the timing reference for the RTC chip, enabling accurate timekeeping.

4. User Interface:

Integrate a display module, such as a seven-segment LED display or an OLED screen, to visualize the time and date information retrieved from PT7C43190LEX. Utilize the microcontroller's GPIO pins to drive the display and update it with the current time data.

5. Alarm Functionality:

Implement alarm functionality using PT7C43190LEX's built-in alarm features. Configure the alarm registers to trigger an interrupt or set an output pin high when the specified alarm time is reached. This feature enables the digital clock to alert users at predetermined times.

Considerations:

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

- Low Power Consumption: Optimize the system's power consumption by utilizing low-power modes offered by PT7C43190LEX and other components, ensuring prolonged battery life in battery-operated devices.

- Backup Battery: Include a backup battery, such as a coin cell battery, to maintain timekeeping functionality in case of a main power failure. Connect the backup battery to the designated backup power input pin of the RTC chip.

- Time Accuracy: Calibrate the RTC chip periodically to maintain accurate timekeeping, considering factors like crystal oscillator drift and temperature variations that may affect timing accuracy.

- User Interface Design: Design an intuitive user interface for the digital clock, considering factors like readability, user interaction, and accessibility for users with disabilities.

- Firmware Development: Develop firmware for the microcontroller to interact with PT7C43190LEX, including functions for setting the time, reading the current time, handling alarms, and updating the display.

PT7C43190LEX FAQ

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3. Are the PT7C43190LEX price and inventory displayed accurate?

The price and inventory of PT7C43190LEX fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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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 PT7C43190LEX?

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 PT7C43190LEX we delivered, we will accept the replacement or return of the PT7C43190LEX 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 PT7C43190LEX.

(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