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ISL1219IUZ-T - Renesas Electronics

Description: The ISL1219 device is a low power real time clock with Event Detect and Time Stamp function, timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and 2 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, month, year and day of the week. The calendar is

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ISL1219IUZ-T - Renesas Electronics - PCB symbol
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PCB Footprints
ISL1219IUZ-T - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M10.118
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ISL1219IUZ-T - Renesas Electronics - 3D model - Small Outline Packages - M10.118
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ISL1219IUZ-T Details

  • Manufacturer Part Number:

    ISL1219IUZ-T

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Pin Count:

    10

  • Manufacturer Package Code:

    M10.118

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Date Of Intro:

    2018-07-18

  • Manufacturer:

    Renesas Electronics Corporation

  • Clock Frequency-Max:

    0.032 MHz

  • Information Access Method:

    SERIAL(I2C)

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    2

  • Packing Method:

    TR

  • 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

ISL1219IUZ-T Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout in the ISL1219IUZ-T evaluation board user manual, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The ISL1219IUZ-T has a built-in temperature compensation circuit, but it's still important to follow proper PCB design and layout practices to minimize thermal gradients. Additionally, consider using a high-accuracy crystal oscillator and implementing temperature compensation algorithms in the system software.
  • The maximum allowable crystal load capacitance for the ISL1219IUZ-T is 20pF. Exceeding this value may affect the oscillator's start-up time and stability.
  • Yes, the ISL1219IUZ-T is designed to work with a battery-backed clock (BBR) or supercapacitor. The device has a built-in switch to disconnect the oscillator circuit during battery-backup mode, minimizing power consumption.
  • Renesas provides a troubleshooting guide in the ISL1219IUZ-T datasheet, which includes steps to check the oscillator circuit, crystal, and PCB layout. Additionally, consider using an oscilloscope to measure the oscillator output and verify its frequency and amplitude.

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ISL1219IUZ-T Overview

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