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Name: ISL12026IBZ
Brand: Renesas Electronics America Inc
SKU: ISL12026IBZ
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 ISL12026IBZ

Part No.:: ISL12026IBZ

Manufacturer:: Renesas Electronics America Inc

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: ISL12026IBZ.pdf

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

In Stock:: 2596

Quantity:: Add To Cart

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ISL12026IBZ Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Leap Year
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

ISL12026IBZ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ISL12026IBZ 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 ISL12026IBZ 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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ISL12026IBZ information

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Basic introduction and simple engineering application of ISL12026IBZ

ISL12026IBZ is a real-time clock (RTC) chip designed by Intersil, offering precise timekeeping and alarm functionality. It is commonly used in various electronic devices requiring accurate timekeeping, such as digital watches, data loggers, and embedded systems.

Application Scenario:

In a digital watch project, ISL12026IBZ can be utilized to keep track of time and trigger alarms for specific events, such as reminders or notifications.

Circuit Design:

To implement a digital watch using ISL12026IBZ, follow these steps:

1. Clock Connection:

Connect the crystal oscillator, typically a 32.768 kHz crystal, to the X1 and X2 pins of ISL12026IBZ to provide the clock signal for accurate timekeeping.

2. Power Supply:

Ensure a stable power supply voltage, typically 3.3V or 5V, is provided to the VCC pin of ISL12026IBZ. Utilize decoupling capacitors to minimize noise and ensure reliable operation.

3. Microcontroller Interface:

Connect the I2C interface of ISL12026IBZ to the microcontroller's I2C bus. Configure the microcontroller to communicate with ISL12026IBZ for setting the time, reading the current time, and configuring alarms.

4. User Interface:

Integrate a user interface, such as buttons and an LCD display, to interact with the digital watch. Use GPIO pins of the microcontroller to interface with these components for user input and displaying time information.

5. Firmware Development:

Write firmware for the microcontroller to interface with ISL12026IBZ via the I2C bus. Implement functionalities for setting the time, reading the time, and handling alarm triggers. Ensure efficient algorithms for timekeeping and alarm management.

Experiment:

To experiment with ISL12026IBZ in a digital watch project, follow these steps:

Step 1: Hardware Setup

- Connect a 32.768 kHz crystal oscillator to the X1 and X2 pins of ISL12026IBZ.
- Connect VCC to a stable power supply voltage (e.g., 3.3V or 5V) and ensure proper decoupling capacitors are in place.
- Interface the I2C lines (SDA and SCL) of ISL12026IBZ with the microcontroller's I2C bus.

Step 2: Firmware Development

- Write firmware code for the microcontroller to initialize the I2C communication with ISL12026IBZ.
- Implement functions to set the current time and configure alarms based on user input.
- Develop routines to read the current time from ISL12026IBZ and update the display accordingly.

Step 3: User Interface Integration

- Connect buttons to the microcontroller for user input to set the time and configure alarms.
- Integrate an LCD display to show the current time and alarm status.
- Implement logic to update the display with real-time information obtained from ISL12026IBZ.

Step 4: Testing and Debugging

- Test the digital watch prototype under various conditions to ensure accurate timekeeping and alarm triggering.
- Debug any issues encountered during testing, such as incorrect time display or alarm malfunction.
- Optimize firmware code for better performance and reliability.

Considerations:

- Crystal Selection: Choose a high-quality 32.768 kHz crystal oscillator for accurate timekeeping.
- Power Supply Stability: Ensure the power supply voltage remains stable to prevent time drift and RTC malfunctions.
- I2C Communication: Handle I2C communication errors and implement error-checking mechanisms for reliable data exchange.
- User Experience: Design a user-friendly interface for easy time setting and alarm configuration.
- Battery Backup: Consider adding a battery backup system to retain timekeeping data in case of power loss.

ISL12026IBZ FAQ

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3. Are the ISL12026IBZ price and inventory displayed accurate?

The price and inventory of ISL12026IBZ 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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6. What is the process for return or replacement of ISL12026IBZ?

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 ISL12026IBZ we delivered, we will accept the replacement or return of the ISL12026IBZ 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 ISL12026IBZ.

(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