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ISL12022IBZ-T - Renesas Electronics

Description: The ISL12022 device is a low power real time clock with an embedded Temp sensor for oscillator compensation, clock/calendar, power fail, low battery monitor, brownout indicator, single periodic or polled alarms, intelligent battery-backup switching, Battery Reseal™ function and 128 bytes of battery-backed user SRAM. The oscillator uses an external, low-cost 32. 768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The device has calendar registers for date,

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ISL12022IBZ-T - Renesas Electronics - PCB symbol
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ISL12022IBZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 8 Ld SOIC_
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ISL12022IBZ-T Details

  • Manufacturer Part Number:

    ISL12022IBZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOICN

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    M8.15

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6

  • Clock Frequency-Max:

    0.032 MHz

  • Information Access Method:

    SERIAL(I2C)

  • Interrupt Capability:

    Y

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    8

  • On Chip Data RAM Width:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • RAM (words):

    128

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time-Min:

    SECONDS

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

    30

  • Volatile:

    YES

  • Width:

    3.9 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

ISL12022IBZ-T Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL12022IBZ-T involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the crystal oscillator. Additionally, it's recommended to use a low-ESR capacitor for the VCC pin and to minimize the length of the clock signal traces.
  • To ensure the accuracy of the RTC, it's essential to use a high-quality crystal oscillator with a low ppm tolerance, and to calibrate the RTC regularly using an external time reference. Additionally, the device should be operated within the recommended temperature range, and the power supply should be stable and noise-free.
  • The maximum frequency of the clock output of the ISL12022IBZ-T is 32.768 kHz, which is the typical frequency of a watch crystal oscillator.
  • Yes, the ISL12022IBZ-T is suitable for battery-powered devices due to its low power consumption and low voltage operation. However, it's essential to consider the power consumption of the entire system and to implement power-saving techniques to maximize battery life.
  • The ISL12022IBZ-T can be interfaced with a microcontroller using a serial interface such as I2C or SPI. The device provides a 400 kHz I2C interface and a 2 MHz SPI interface, allowing for easy communication with a microcontroller.

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ISL12022IBZ-T Overview

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