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ISL1208IB8Z-TKR5291
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ISL1208IB8Z-TKR5291

Product Overview

Category

ISL1208IB8Z-TKR5291 belongs to the category of Real-Time Clocks (RTCs).

Use

This product is primarily used for timekeeping and calendar functions in various electronic devices.

Characteristics

  • High accuracy timekeeping
  • Low power consumption
  • Small form factor
  • Integrated crystal oscillator
  • I2C interface for easy integration

Package

ISL1208IB8Z-TKR5291 comes in an 8-pin SOIC package.

Essence

The essence of this product lies in its ability to provide accurate timekeeping and calendar functions with minimal power consumption.

Packaging/Quantity

ISL1208IB8Z-TKR5291 is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Timekeeping Accuracy: ±5ppm
  • Operating Temperature Range: -40°C to +85°C
  • I2C Bus Frequency: Up to 400kHz
  • Battery Backup Voltage: 1.8V to 5.5V

Detailed Pin Configuration

  1. VCC - Power supply input
  2. GND - Ground
  3. SDA - I2C data line
  4. SCL - I2C clock line
  5. SQW/INT - Square wave output or interrupt pin
  6. VBAT - Battery backup input
  7. NC - No connection
  8. NC - No connection

Functional Features

  • Real-time clock with calendar functions
  • Alarm and timer functions
  • Automatic leap year compensation
  • Power-fail detection and switch circuitry
  • Programmable square wave output
  • Battery backup support

Advantages and Disadvantages

Advantages

  • High accuracy timekeeping
  • Low power consumption
  • Small form factor for space-constrained designs
  • Integrated crystal oscillator simplifies design
  • I2C interface allows easy integration with microcontrollers

Disadvantages

  • Limited quantity availability per reel (2500 units)
  • Requires an external battery for backup operation

Working Principles

ISL1208IB8Z-TKR5291 utilizes a built-in crystal oscillator to generate accurate timekeeping signals. It communicates with the host microcontroller through the I2C interface, allowing the microcontroller to read and write time and calendar data. The device also features power-fail detection circuitry, which switches to battery backup mode in case of a power failure.

Detailed Application Field Plans

ISL1208IB8Z-TKR5291 finds applications in various electronic devices that require precise timekeeping and calendar functions. Some potential application fields include:

  1. Consumer Electronics: Smartphones, tablets, digital cameras
  2. Industrial Automation: Programmable logic controllers (PLCs), industrial timers
  3. Automotive: Dashboard clocks, infotainment systems
  4. Medical Devices: Patient monitoring systems, medical equipment with time-sensitive operations
  5. IoT Devices: Smart home automation systems, wearable devices

Detailed and Complete Alternative Models

  1. DS3231 - Real-Time Clock Module with I2C Interface
  2. PCF8563 - Ultra-Low Power Real-Time Clock with I2C-Bus Interface
  3. MCP7940N - I2C Real-Time Clock/Calendar with SRAM and Battery Switchover

These alternative models offer similar functionality and can be considered as alternatives to ISL1208IB8Z-TKR5291.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät ISL1208IB8Z-TKR5291 :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of ISL1208IB8Z-TKR5291 in technical solutions:

Q1: What is ISL1208IB8Z-TKR5291? A1: ISL1208IB8Z-TKR5291 is a real-time clock (RTC) module with an integrated crystal, which provides accurate timekeeping for various technical applications.

Q2: What are the key features of ISL1208IB8Z-TKR5291? A2: Some key features include low power consumption, I2C interface, alarm functionality, battery backup, and temperature compensation.

Q3: How can ISL1208IB8Z-TKR5291 be used in technical solutions? A3: It can be used as a timekeeping component in devices such as industrial automation systems, medical equipment, data loggers, smart meters, and more.

Q4: Does ISL1208IB8Z-TKR5291 require an external crystal? A4: No, it has an integrated crystal, eliminating the need for an external one.

Q5: Can ISL1208IB8Z-TKR5291 operate on battery power? A5: Yes, it has a built-in battery backup feature that allows it to continue timekeeping even when the main power source is disconnected.

Q6: How accurate is the timekeeping of ISL1208IB8Z-TKR5291? A6: It offers high accuracy with typical timekeeping error of only a few seconds per month.

Q7: Can ISL1208IB8Z-TKR5291 generate alarms? A7: Yes, it has programmable alarm functionality that can trigger interrupts or other actions based on specific time or date conditions.

Q8: Is ISL1208IB8Z-TKR5291 compatible with microcontrollers? A8: Yes, it uses the I2C interface, which is widely supported by microcontrollers and other digital devices.

Q9: Does ISL1208IB8Z-TKR5291 have temperature compensation? A9: Yes, it has an integrated temperature sensor that compensates for temperature variations to maintain accurate timekeeping.

Q10: Can ISL1208IB8Z-TKR5291 be easily soldered onto a PCB? A10: Yes, it comes in a small surface-mount package (SOIC-8) that can be easily soldered onto a PCB using standard soldering techniques.

Please note that these answers are general and may vary depending on the specific technical requirements and implementation of ISL1208IB8Z-TKR5291 in different applications.