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ISL12022IBZ-T7A - 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-T7A - Renesas Electronics - PCB symbol
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ISL12022IBZ-T7A - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - 8 Ld SOIC--
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ISL12022IBZ-T7A - Renesas Electronics - 3D model - Small Outline Packages - 8 Ld SOIC--
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ISL12022IBZ-T7A Details

  • Manufacturer Part Number:

    ISL12022IBZ-T7A

  • 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

  • Temperature Grade:

    INDUSTRIAL

  • 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-T7A Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL12022IBZ-T7A 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 to 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, and to calibrate the RTC regularly. 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-T7A is 32.768 kHz, which is the typical frequency of a watch crystal oscillator.
  • Yes, the ISL12022IBZ-T7A is suitable for battery-powered devices due to its low power consumption. However, it's essential to consider the power consumption of the entire system, including the RTC, and to design the power management system accordingly.
  • The ISL12022IBZ-T7A can be interfaced with a microcontroller using the I2C bus. The device acts as a slave device, and the microcontroller acts as the master. The microcontroller sends commands and data to the ISL12022IBZ-T7A, and the device responds with the requested data.

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ISL12022IBZ-T7A Overview

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