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Name: ISL12028IV30AZ-T
Brand: Renesas Electronics America Inc
SKU: ISL12028IV30AZ-T
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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Renesas Electronics America Inc ISL12028IV30AZ-T

Part No.:: ISL12028IV30AZ-T

Manufacturer:: Renesas Electronics America Inc

Package:: 14-TSSOP (0.173, 4.40mm Width)

Datasheet:: ISL12028IV30AZ-T.pdf

Description:: IC RTC CLK/CALENDAR I2C 14-TSSOP

In Stock:: 3087

Quantity:: Add To Cart

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ISL12028IV30AZ-T Specifications

Package/Case:
14-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Supervisor, Watchdog Timer
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
2.7V ~ 5.5V
Voltage-SupplyBattery:
1.8V ~ 5.5V
Current-Timekeeping(Max):
10µA ~ 20µA @ 2.7V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

ISL12028IV30AZ-T this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ISL12028IV30AZ-T 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 ISL12028IV30AZ-T 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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ISL12028IV30AZ-T information

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Basic introduction and simple engineering application of ISL12028IV30AZ-T

ISL12028IV30AZ-T is a real-time clock (RTC) chip with integrated crystal and battery backup, commonly used in electronic devices for timekeeping and timestamping functionalities.

Application Scenario:

In digital devices, ISL12028IV30AZ-T can be utilized for accurate timekeeping and event logging, such as in data loggers or IoT devices where precise timestamping is crucial.

Circuit Design:

To implement an RTC function using ISL12028IV30AZ-T, follow these steps:

1. Connection Setup:

Connect the ISL12028IV30AZ-T chip to the microcontroller or host system using the I2C communication protocol. Ensure proper connections for SDA (data) and SCL (clock) lines.

2. Power Supply:

Provide a stable power supply to ISL12028IV30AZ-T and ensure proper decoupling capacitors are used to minimize noise and ensure reliable operation.

3. Crystal Connection:

Connect the integrated crystal oscillator pins of ISL12028IV30AZ-T to the crystal load capacitors to ensure proper oscillation frequency and accuracy.

4. Battery Backup:

Connect a backup battery, such as a coin cell battery, to the designated pins of ISL12028IV30AZ-T to maintain timekeeping functionality during power loss or system shutdown.

5. Initialization:

Initialize the ISL12028IV30AZ-T chip by writing the current date and time values to its registers upon system startup. Ensure proper configuration of alarm settings and other features as per project requirements.

Experiment:

To understand the functionality of ISL12028IV30AZ-T practically, follow these experiment steps:

1. Circuit Setup:

Connect ISL12028IV30AZ-T to an Arduino microcontroller using the I2C interface. Ensure all connections are secure and correct.

2. Power Supply:

Provide power to the circuit, ensuring that the voltage levels are within the specified operating range of ISL12028IV30AZ-T.

3. Initialization:

Write a simple Arduino sketch to initialize the RTC chip, setting the current date and time. Verify the initialization by reading back the values from the RTC registers.

4. Timekeeping:

Modify the sketch to continuously read the current time from ISL12028IV30AZ-T and display it on a serial monitor or an attached LCD screen.

5. Alarm Functionality:

Implement an alarm feature in the sketch to trigger an event, such as turning on an LED, when a specific time is reached. Test the alarm functionality by setting different alarm times.

Considerations:

When working with ISL12028IV30AZ-T, consider the following:

- Power Supply Stability: Ensure a stable power supply to prevent RTC malfunctions or data loss.

- Crystal Accuracy: Use high-quality crystals and proper load capacitors to maintain accurate timekeeping over long periods.

- Backup Battery Life: Choose a backup battery with sufficient capacity to maintain RTC operation for extended periods during power outages.

- I2C Communication: Check for proper I2C bus configuration and address settings to avoid communication errors with the RTC chip.

- Error Handling: Implement error-checking mechanisms in the firmware to handle any communication or initialization errors gracefully.

ISL12028IV30AZ-T FAQ

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3. Are the ISL12028IV30AZ-T price and inventory displayed accurate?

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6. What is the process for return or replacement of ISL12028IV30AZ-T?

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 ISL12028IV30AZ-T we delivered, we will accept the replacement or return of the ISL12028IV30AZ-T 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 ISL12028IV30AZ-T.

(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