What is the Additional Feature ?

Name: PT7C43390LEX
Brand: Diodes Incorporated
SKU: PT7C43390LEX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

Cart ( )

lmages are for reference only See Product Specifications

Diodes Incorporated PT7C43390LEX

Part No.:: PT7C43390LEX

Manufacturer:: Diodes Incorporated

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

Datasheet:: PT7C43390LEX.pdf

Description:: IC RTC CLK/CALENDAR I2C TSSOP

In Stock:: 3140

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

PT7C43390LEX Specifications

Package/Case:
8-TSSOP, 8-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
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
1.3V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
0.65µA ~ 0.7µA @ 3V ~ 5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

PT7C43390LEX this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PT7C43390LEX 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 PT7C43390LEX to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

PT7C43390LEX information

Views：

Basic introduction and simple engineering application of PT7C43390LEX

PT7C43390LEX is a real-time clock (RTC) chip commonly used in electronic projects and embedded systems to keep track of time accurately. It offers features such as low power consumption, battery backup, and a wide operating temperature range.

Application Scenario:

In a digital alarm clock project, PT7C43390LEX can be utilized to maintain accurate timekeeping functionality, ensuring the alarm activates at the specified time.

Circuit Design:

To implement a digital alarm clock using PT7C43390LEX, follow these steps:

1. Clock Connection:

Connect the clock crystal (32.768 kHz) to the appropriate pins of PT7C43390LEX to provide the clock source for accurate timekeeping.

2. Power Supply:

Ensure a stable power supply is provided to PT7C43390LEX, considering its low power requirements. Utilize voltage regulators and capacitors to filter noise and ensure reliable operation.

3. Microcontroller Interface:

Interface PT7C43390LEX with a microcontroller, such as an Arduino or Raspberry Pi, using the I2C or SPI communication protocol. Establish communication between the microcontroller and the RTC chip to set and read the current time.

4. Alarm Configuration:

Program the microcontroller to set the desired alarm time by writing to the alarm registers of PT7C43390LEX. Implement logic to trigger an alarm signal when the current time matches the set alarm time.

5. User Interface:

Integrate user interface components, such as an LCD display or LED indicators, to provide visual feedback of the current time and alarm status. Utilize GPIO pins of the microcontroller to control and display information.

Experiment Steps:

To create a simple digital alarm clock prototype using PT7C43390LEX, follow these steps:

1. Hardware Setup: Connect the clock crystal to the appropriate pins of PT7C43390LEX. Ensure proper power supply connections and establish communication with a microcontroller using I2C or SPI.

2. Software Configuration: Write a program for the microcontroller to initialize PT7C43390LEX, set the current time, and configure the alarm functionality. Implement logic to check the current time against the alarm time and trigger an alarm signal.

3. User Interface Integration: Connect an LCD display or LEDs to the microcontroller to display the current time and alarm status. Write code to update the display based on the time retrieved from PT7C43390LEX and alarm trigger events.

4. Testing: Test the digital alarm clock prototype by setting different alarm times and verifying the alarm functionality. Ensure the clock accurately maintains time and triggers alarms as expected.

Considerations:

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

- Power Efficiency: Optimize power consumption to prolong battery life, especially in battery-operated applications.

- Accuracy: Calibrate the clock crystal and periodically synchronize with an external time source for accurate timekeeping.

- User Experience: Design an intuitive user interface for setting the alarm time and providing feedback to the user.

- Alarm Reliability: Implement robust alarm logic to ensure alarms are triggered reliably under various operating conditions.

- Circuit Layout: Pay attention to the layout of the circuit board to minimize signal interference and ensure reliable operation of PT7C43390LEX and other components.

PT7C43390LEX FAQ

1. How to order PT7C43390LEX on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that PT7C43390LEX is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PT7C43390LEX. All suppliers must pass our qualification reviews before they can publish their products including PT7C43390LEX on icwhale.com; we pay more attention to the channels and quality of PT7C43390LEX products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the PT7C43390LEX price and inventory displayed accurate?

The price and inventory of PT7C43390LEX fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

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 PT7C43390LEX?

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 PT7C43390LEX we delivered, we will accept the replacement or return of the PT7C43390LEX 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 PT7C43390LEX.

(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