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Name: ISL12022IBZ-T7A
Brand: Renesas Electronics America Inc
SKU: ISL12022IBZ-T7A
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Renesas Electronics America Inc ISL12022IBZ-T7A

Part No.:: ISL12022IBZ-T7A

Manufacturer:: Renesas Electronics America Inc

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

Datasheet:: ISL12022IBZ-T7A.pdf

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

In Stock:: 3183

Quantity:: Add To Cart

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ISL12022IBZ-T7A Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, Daylight Savings, Leap Year, SRAM
MemorySize:
128B
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):
14µA ~ 15µA @ 3V ~ 5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

ISL12022IBZ-T7A this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ISL12022IBZ-T7A 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 ISL12022IBZ-T7A 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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ISL12022IBZ-T7A information

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Basic introduction and simple engineering application of ISL12022IBZ-T7A

ISL12022IBZ-T7A is a real-time clock (RTC) module manufactured by Intersil, offering precise timekeeping functionality for various applications. It integrates a complete clock/calendar function with an alarm and a watchdog timer.

Introduction:

The ISL12022IBZ-T7A RTC module is commonly utilized in embedded systems, IoT devices, and consumer electronics where accurate timekeeping is crucial. Its compact size, low power consumption, and high accuracy make it ideal for battery-powered applications.

Application Scenario:

In a digital alarm clock project, the ISL12022IBZ-T7A can serve as the core timekeeping component. It not only keeps track of time but also triggers alarms at specific times, providing a reliable wake-up mechanism.

Circuit Design:

To create a digital alarm clock using the ISL12022IBZ-T7A, follow these steps:

1. RTC Module Connection:

Connect the ISL12022IBZ-T7A module to the microcontroller's I2C interface. Ensure proper pull-up resistors are connected to the SDA and SCL lines for reliable communication.

2. Alarm Configuration:

Configure the alarm registers of the ISL12022IBZ-T7A to set the desired alarm time. This can be done through the microcontroller by writing to the appropriate registers via I2C communication.

3. Display Interface:

Integrate a display interface, such as an LCD or LED display, to show the current time and alarm settings. Utilize GPIO pins of the microcontroller to control the display and update the information as needed.

4. User Input:

Provide user input functionality, such as buttons or a keypad, to set the alarm time and toggle alarm settings. Configure GPIO pins as inputs and implement debouncing algorithms to ensure reliable operation.

5. Alarm Output:

Connect a buzzer or a speaker to the microcontroller's GPIO pins to produce audible alarm signals when the alarm triggers. Ensure the output pins can supply sufficient current to drive the alarm device.

Experiment Steps:

Step 1: Connect the ISL12022IBZ-T7A module to the microcontroller's I2C interface following the datasheet pinout.

Step 2: Write a test code to initialize the RTC module and set the current time.

Step 3: Implement alarm configuration functions in the code to set the alarm time.

Step 4: Develop a user interface to interact with the alarm settings using buttons or a keypad.

Step 5: Connect and configure the display to show the current time and alarm settings.

Step 6: Test the alarm functionality by setting an alarm time and verifying that the alarm triggers correctly.

Considerations:

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

- Power Supply: Ensure stable power is supplied to both the microcontroller and the ISL12022IBZ-T7A module to prevent time drift.

- User Experience: Design a user-friendly interface with intuitive controls for setting and toggling alarm settings.

- Alarm Accuracy: Verify the accuracy of the alarm trigger relative to the set time and investigate any discrepancies.

- Low Power Mode: Utilize low power modes available in both the microcontroller and the RTC module to extend battery life in portable applications.

- Real-Time Clock Backup: Implement backup power or non-volatile memory to retain timekeeping data in case of power loss.

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3. Are the ISL12022IBZ-T7A price and inventory displayed accurate?

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6. What is the process for return or replacement of ISL12022IBZ-T7A?

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 ISL12022IBZ-T7A we delivered, we will accept the replacement or return of the ISL12022IBZ-T7A 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 ISL12022IBZ-T7A.

(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