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ISL12022MIBZ-T - Renesas Electronics

Description: The ISL12022M 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. Backup battery current draw is less than 1. 6µA over the temperature range. The device is offered in a 20 Ld SOIC module that contains the

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ISL12022MIBZ-T - Renesas Electronics - PCB symbol
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ISL12022MIBZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M20.3
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ISL12022MIBZ-T - Renesas Electronics - 3D model - Small Outline Packages - M20.3
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ISL12022MIBZ-T Details

  • Manufacturer Part Number:

    ISL12022MIBZ-T

  • 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

  • YTEOL:

    6

  • Additional Feature:

    ALSO OPERATES WITH 5 V NOMINAL

  • Clock Frequency-Max:

    0.032 MHz

  • Information Access Method:

    SERIAL(I2C)

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

ISL12022MIBZ-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL12022MIBZ-T involves keeping the crystal oscillator circuitry close to the IC, using a ground plane to reduce noise, and minimizing the length of the clock signal traces. Additionally, it's recommended to use a 0.1uF decoupling capacitor between VDD and GND pins.
  • To ensure the accuracy of the RTC, it's essential to use a high-quality crystal oscillator with a frequency tolerance of ±20 ppm or better. Additionally, the IC should be operated within the recommended temperature range, and the battery voltage should be maintained above 2.0V.
  • The maximum allowed voltage on the battery input pin (VBAT) of the ISL12022MIBZ-T is 3.6V. Exceeding this voltage may damage the IC.
  • Yes, the ISL12022MIBZ-T can be used with a rechargeable battery. However, it's essential to ensure that the battery charger circuitry is designed to prevent overcharging, which can damage the IC.
  • The ISL12022MIBZ-T has a built-in POR and BOR circuitry. To handle these reset events, it's recommended to use an external capacitor on the VDD pin to filter out noise and ensure a clean power-on reset. Additionally, the system should be designed to handle the reset events by re-initializing the IC and reloading the RTC values.

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ISL12022MIBZ-T Overview

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