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ISL12022MIBZ-TR5421 - Renesas Electronics

Description: The ISL12022MR5421 device is a low power real time clock (RTC) with an embedded temperature sensor and crystal. Device functions include oscillator compensation, clock/calendar, power fail and low battery monitors, brownout indicator, one-time, periodic or polled alarms, intelligent battery backup switching, Battery Reseal™ function and 128 bytes of battery-backed user SRAM. The device is offered in a 20 Ld SOIC module that contains the RTC and an embedded 32. 768kHz quartz crystal. The calibrated oscillato

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ISL12022MIBZ-TR5421 - Renesas Electronics - PCB symbol
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ISL12022MIBZ-TR5421 - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M20.3+
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ISL12022MIBZ-TR5421 Details

  • Manufacturer Part Number:

    ISL12022MIBZ-TR5421

  • Brand Name:

    Renesas

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOICW

  • Pin Count:

    20

  • Manufacturer Package Code:

    M20.3

  • Country Of Origin:

    Malaysia, Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • Clock Frequency-Max:

    0.032 MHz

  • Information Access Method:

    SERIAL(I2C)

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Peak Reflow Temperature (Cel):

    260

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3 V

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Time@Peak Reflow Temperature-Max (s):

    30

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

ISL12022MIBZ-TR5421 Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL12022MIBZ-TR5421 involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the clock signal traces. Additionally, it's recommended to place the device close to the crystal oscillator and use a low-ESR capacitor for the VDD pin.
  • To ensure the accuracy of the RTC, it's essential to use a high-quality crystal oscillator with a low ppm tolerance, maintain a stable power supply voltage, and minimize temperature variations. Additionally, the device should be calibrated periodically to account for any drift in the RTC.
  • The maximum frequency of the clock output of the ISL12022MIBZ-TR5421 is 32.768 kHz, which is the typical frequency used for real-time clock applications.
  • Yes, the ISL12022MIBZ-TR5421 is suitable for battery-powered devices due to its low power consumption. The device has a typical current consumption of 1.5 μA in the timekeeping mode, making it suitable for battery-powered applications.
  • The ISL12022MIBZ-TR5421 can be interfaced with a microcontroller using the I2C bus. The device has a 7-bit slave address, and the microcontroller can read and write data to the device using the I2C protocol.

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ISL12022MIBZ-TR5421 Overview

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