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ISL1208IU8-TK
Product Overview
Category
ISL1208IU8-TK belongs to the category of Real-Time Clocks (RTCs).
Use
The ISL1208IU8-TK is used as a clock/calendar device in various electronic systems. It provides accurate timekeeping and calendar functions.
Characteristics
- High accuracy timekeeping
- Low power consumption
- Small package size
- I2C interface for easy integration
- Battery backup for continuous operation during power loss
Package
ISL1208IU8-TK is available in an 8-pin, ultra-thin microDFN package.
Essence
The essence of ISL1208IU8-TK lies in its ability to provide precise timekeeping and calendar functions with low power consumption and a compact form factor.
Packaging/Quantity
ISL1208IU8-TK is typically packaged in reels or tubes. The exact quantity per package depends on the manufacturer's specifications.
Specifications
- Supply Voltage: 1.8V to 5.5V
- Timekeeping Accuracy: ±5ppm (at 25°C)
- Operating Temperature Range: -40°C to +85°C
- I2C Bus Frequency: Up to 400kHz
- Battery Backup Voltage: 1.3V to 5.5V
Detailed Pin Configuration
The ISL1208IU8-TK has the following pin configuration:
- VBAT - Battery Backup Input
- GND - Ground
- SDA - I2C Serial Data
- SCL - I2C Serial Clock
- IRQ - Interrupt Output
- VCC - Power Supply
- NC - No Connection
- X1 - Crystal Oscillator Input
Functional Features
- Real-time clock with calendar functions
- Alarm and timer functions
- Battery backup for continuous operation during power loss
- Programmable square wave output
- Automatic leap year compensation
Advantages and Disadvantages
Advantages
- High accuracy timekeeping
- Low power consumption
- Compact package size
- Easy integration with I2C interface
- Battery backup ensures uninterrupted operation
Disadvantages
- Limited temperature range (-40°C to +85°C)
- Requires an external crystal oscillator for clock input
Working Principles
The ISL1208IU8-TK utilizes an internal oscillator and a real-time counter to keep track of time. It communicates with the host system through the I2C interface, allowing for easy configuration and retrieval of time and date information. The device can be powered by either the main power supply or a backup battery, ensuring continuous operation even during power outages.
Detailed Application Field Plans
The ISL1208IU8-TK is widely used in various applications that require accurate timekeeping and calendar functions. Some common application fields include:
- Consumer Electronics: Used in digital cameras, portable media players, and smartwatches to provide accurate time and date information.
- Industrial Automation: Integrated into industrial control systems for precise timing and scheduling of operations.
- Automotive: Incorporated into automotive systems for time-sensitive functions such as event logging and data synchronization.
- Medical Devices: Utilized in medical equipment for accurate time stamping of patient data and synchronization of medical procedures.
Detailed and Complete Alternative Models
- DS3231 - Real-Time Clock Module with I2C Interface
- PCF8563 - CMOS Real-Time Clock/Calendar with I2C Interface
- MCP7940N - I2C Real-Time Clock/Calendar with SRAM
These alternative models offer similar functionality to the ISL1208IU8-TK and can be considered as alternatives based on specific requirements.
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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням ISL1208IU8-TK у технічних рішеннях
Sure! Here are 10 common questions and answers related to the application of ISL1208IU8-TK in technical solutions:
Q: What is ISL1208IU8-TK? A: ISL1208IU8-TK is a real-time clock (RTC) module manufactured by Renesas Electronics. It provides accurate timekeeping and calendar functions for various technical applications.
Q: What are the key features of ISL1208IU8-TK? A: The key features of ISL1208IU8-TK include low power consumption, I2C interface, alarm functionality, battery backup, programmable square wave output, and tamper detection.
Q: How can ISL1208IU8-TK be used in technical solutions? A: ISL1208IU8-TK can be used in various technical solutions that require accurate timekeeping, such as industrial automation systems, data loggers, medical devices, smart meters, and IoT applications.
Q: Does ISL1208IU8-TK require an external power supply? A: Yes, ISL1208IU8-TK requires an external power supply for normal operation. It can operate from a wide voltage range of 1.8V to 5.5V.
Q: Can ISL1208IU8-TK operate without a battery backup? A: No, ISL1208IU8-TK requires a battery backup to retain time and date information during power loss. It supports a wide range of coin cell batteries for backup power.
Q: Is ISL1208IU8-TK compatible with microcontrollers and other digital systems? A: Yes, ISL1208IU8-TK is designed to be easily interfaced with microcontrollers and other digital systems. It uses the I2C communication protocol for data transfer.
Q: Can ISL1208IU8-TK generate alarms or interrupts? A: Yes, ISL1208IU8-TK has built-in alarm functionality that can be programmed to generate interrupts or trigger external events at specific times or dates.
Q: Does ISL1208IU8-TK support temperature compensation for accurate timekeeping? A: Yes, ISL1208IU8-TK includes an integrated temperature sensor and compensation circuitry to ensure accurate timekeeping even in varying temperature conditions.
Q: Can ISL1208IU8-TK detect tampering or unauthorized access? A: Yes, ISL1208IU8-TK features tamper detection circuitry that can detect physical intrusion attempts and trigger an alarm or tamper event.
Q: Are there any development tools or software libraries available for ISL1208IU8-TK? A: Yes, Renesas provides development tools, evaluation boards, and software libraries to assist in the integration and programming of ISL1208IU8-TK into technical solutions.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.