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Name: ISL12027IB27Z
Brand: Renesas Electronics America Inc
SKU: ISL12027IB27Z
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 ISL12027IB27Z

Part No.:: ISL12027IB27Z

Manufacturer:: Renesas Electronics America Inc

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

Datasheet:: ISL12027IB27Z.pdf

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

In Stock:: 3839

Quantity:: Add To Cart

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ISL12027IB27Z Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
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

ISL12027IB27Z this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ISL12027IB27Z 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 ISL12027IB27Z 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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ISL12027IB27Z information

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Basic introduction and simple engineering application of ISL12027IB27Z

ISL12027IB27Z is a real-time clock (RTC) chip manufactured by Renesas Electronics, designed for accurate timekeeping in various electronic systems. It integrates a temperature-compensated crystal oscillator (TCXO) and offers low power consumption, making it suitable for battery-powered applications.

Application Scenario:

In a simple weather station project, ISL12027IB27Z can be utilized to track the current time and date, enabling the system to timestamp weather data accurately.

Circuit Design:

To create a weather station using ISL12027IB27Z, follow these steps:

1. RTC Connection:

Connect the ISL12027IB27Z chip to your microcontroller or single-board computer (SBC) using the Inter-Integrated Circuit (I2C) communication protocol. Wire the SDA and SCL pins of the RTC chip to the corresponding I2C pins of your microcontroller.

2. Power Supply:

Ensure a stable power supply voltage (typically 3.3V or 5V) is provided to the ISL12027IB27Z chip. Connect the VCC pin of the RTC chip to the appropriate voltage source, and make sure to include decoupling capacitors for noise reduction.

3. Crystal Connection:

Connect an external 32.768 kHz crystal oscillator to the X1 and X2 pins of the ISL12027IB27Z chip. This crystal oscillator provides the reference clock for accurate timekeeping.

4. Backup Battery:

Include a backup battery, such as a coin cell battery, to maintain the RTC's timekeeping functionality during power loss or when the main power source is unavailable. Connect the battery to the VBAT pin of the RTC chip.

5. Firmware Integration:

Write firmware code for your microcontroller or SBC to communicate with the ISL12027IB27Z RTC chip via the I2C bus. Implement functions to read and set the current time and date, as well as configure alarm settings if desired.

Experiment Steps:

To understand the functionality of ISL12027IB27Z in a weather station project, follow these experimental steps:

1. Hardware Setup: Connect the ISL12027IB27Z RTC chip to your microcontroller or SBC as per the circuit design described above.

2. Firmware Implementation: Write firmware code to initialize the RTC chip, read the current time and date, and display it on an LCD or serial monitor connected to your microcontroller.

3. Real-Time Clock Test: Power up the system and observe the RTC's ability to maintain accurate timekeeping. Verify that the time displayed matches the actual time.

4. Power Loss Simulation: Temporarily disconnect the main power source to simulate a power outage. Verify that the RTC continues to function using the backup battery and retains the correct time.

5. Alarm Functionality Test: If your weather station project requires alarms for specific events, implement and test the alarm functionality in your firmware code. Set alarms for predefined times and ensure they trigger as expected.

Considerations:

When working with ISL12027IB27Z in your weather station project, consider the following:

- Temperature Compensation: The integrated TCXO helps maintain accurate timekeeping even in varying temperature conditions.

- Power Consumption: Optimize power usage to prolong battery life, especially if the weather station is battery-powered.

- Firmware Robustness: Write robust firmware code to handle communication errors and ensure reliable operation of the RTC chip.

- User Interface: Design a user-friendly interface to display weather data along with the current time and date, enhancing the usability of your weather station.

- Data Logging: Consider adding functionality to log weather data along with timestamps provided by the RTC, enabling long-term data analysis.

ISL12027IB27Z FAQ

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3. Are the ISL12027IB27Z price and inventory displayed accurate?

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6. What is the process for return or replacement of ISL12027IB27Z?

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 ISL12027IB27Z we delivered, we will accept the replacement or return of the ISL12027IB27Z 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 ISL12027IB27Z.

(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