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Name: ISL1219IUZ-T
Brand: Renesas Electronics America Inc
SKU: ISL1219IUZ-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 ISL1219IUZ-T

Part No.:: ISL1219IUZ-T

Manufacturer:: Renesas Electronics America Inc

Package:: 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

Datasheet:: ISL1219IUZ-T.pdf

Description:: IC RTC EVENT REC I2C 10-MSOP

In Stock:: 2544

Quantity:: Add To Cart

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ISL1219IUZ-T Specifications

Package/Case:
10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Time Event Recorder
Features:
Alarm, Leap Year, SRAM
MemorySize:
2B
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):
4µA ~ 6µA @ 3V ~ 5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

ISL1219IUZ-T this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ISL1219IUZ-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 ISL1219IUZ-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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ISL1219IUZ-T information

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Basic introduction and simple engineering application of ISL1219IUZ-T

ISL1219IUZ-T is a real-time clock (RTC) chip manufactured by Intersil, offering accurate timekeeping and alarm functionality. It is commonly used in electronic devices requiring precise timekeeping capabilities, such as IoT devices, wearable gadgets, and data loggers.

Application Scenario:

In a smart wearable device, ISL1219IUZ-T can be utilized to track time and trigger specific events, such as sending notifications or recording activity data at predetermined intervals.

Circuit Design:

To implement a simple timekeeping system using ISL1219IUZ-T, follow these steps:

1. RTC Connection:

Connect ISL1219IUZ-T to the microcontroller or host system via the I2C or SPI interface. Ensure proper connections for SDA (serial data) and SCL (serial clock) lines, as well as power and ground pins.

2. Crystal Oscillator:

Connect an external crystal oscillator to the XTAL1 and XTAL2 pins of ISL1219IUZ-T to provide the clock source for accurate timekeeping. Choose a crystal with the appropriate frequency (typically 32.768 kHz).

3. Backup Power:

Provide a backup power source, such as a coin cell battery, to maintain timekeeping functionality during power outages or when the main power source is disconnected. Connect the backup power to the VBAT pin of ISL1219IUZ-T.

4. Initialization:

Write initialization code to configure ISL1219IUZ-T according to the desired timekeeping and alarm settings. Initialize the RTC registers, set the current time and date, and configure alarm triggers if needed.

5. Timekeeping Integration:

Integrate the RTC functionality into the firmware of the microcontroller or host system. Implement functions to read the current time, update the time periodically, and handle alarm interrupts.

Experiment Steps:

To demonstrate the functionality of ISL1219IUZ-T, perform the following experiment:

1. Hardware Setup: Connect ISL1219IUZ-T to a microcontroller development board or a Raspberry Pi using I2C or SPI communication. Connect the crystal oscillator and backup power source as described above.

2. Firmware Development: Write firmware code to initialize ISL1219IUZ-T, set the current time to a known value, and configure an alarm to trigger after a specific duration.

3. Timekeeping Test: Power up the system and verify that ISL1219IUZ-T accurately tracks time. Read the current time from the RTC registers periodically and compare it with the system time to ensure synchronization.

4. Alarm Trigger Test: Trigger the alarm by waiting for the specified duration. When the alarm triggers, verify that the appropriate interrupt is generated, and handle it in the firmware code.

5. Power Loss Simulation: Simulate a power loss scenario by disconnecting the main power source while the backup power is connected. Ensure that ISL1219IUZ-T continues to keep time using the backup power.

Considerations:

When working with ISL1219IUZ-T, consider the following factors:

- Crystal Accuracy: Choose a high-quality crystal oscillator with good frequency stability to ensure accurate timekeeping.

- Backup Power Capacity: Select a backup power source with sufficient capacity to maintain timekeeping for the desired duration during power outages.

- Communication Protocol: Understand the communication protocol (I2C or SPI) supported by ISL1219IUZ-T and configure the microcontroller accordingly.

- Interrupt Handling: Implement robust interrupt handling mechanisms in firmware to respond to RTC alarms and ensure timely execution of scheduled tasks.

- Power Consumption: Optimize power consumption in the system by utilizing low-power modes of ISL1219IUZ-T when possible and minimizing unnecessary wake-ups.

ISL1219IUZ-T FAQ

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We have a professional and experienced quality control team to strictly verify and test the ISL1219IUZ-T. All suppliers must pass our qualification reviews before they can publish their products including ISL1219IUZ-T on icwhale.com; we pay more attention to the channels and quality of ISL1219IUZ-T products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the ISL1219IUZ-T price and inventory displayed accurate?

The price and inventory of ISL1219IUZ-T 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 ISL1219IUZ-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 ISL1219IUZ-T we delivered, we will accept the replacement or return of the ISL1219IUZ-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 ISL1219IUZ-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