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ISL12026AIBZ-T - Renesas Electronics

Description: The ISL12026 and the ISL12026A devices are micro power real time clocks with timing and crystal compensation, clock/calender, power-fail indicator, two periodic or polled alarms, intelligent battery backup switching, and integrated 512x8-bit EEPROM configured in 16 Bytes per page. 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, month, year and day of the week. Th

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ISL12026AIBZ-T - Renesas Electronics - PCB symbol
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ISL12026AIBZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M8.15-ren4
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ISL12026AIBZ-T Details

  • Manufacturer Part Number:

    ISL12026AIBZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOICN

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    M8.15

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Clock Frequency-Max:

    0.032 MHz

  • Information Access Method:

    SERIAL(I2C)

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    8

  • 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:

    1.75 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3.3 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:

    3.9 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

ISL12026AIBZ-T Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout in the application note AN1443, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The ISL12026AIBZ-T has a built-in crystal oscillator startup timer that can be programmed to ensure the oscillator is stable before the RTC starts. The startup time can be adjusted using the XT1_STARTUP register (0x07h). A typical startup time is around 2-3 seconds.
  • The ISL12026AIBZ-T is rated for operation from -40°C to +85°C, but it's recommended to operate within the -20°C to +70°C range for optimal performance and accuracy.
  • The internal oscillator can be calibrated using the CAL register (0x0Ch). The calibration process involves writing a correction value to the CAL register to adjust the oscillator frequency. Renesas provides a calibration procedure in the datasheet and application notes.
  • The recommended power-up sequence is to apply VDD first, followed by VBAT (if used). This ensures that the internal voltage regulator is stable before the RTC starts. A power-up sequence diagram is provided in the datasheet.

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ISL12026AIBZ-T Overview

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Part Image ISL12026AIBZ-T7 Renesas Electronics Corporation

Real Time Clock, 0 Timer(s), CMOS, PDSO8