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ISL12058IRTZ - Renesas Electronics

Description: The ISL12058 device is a low power real time clock with clock/calendar, and alarm function. 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 accurate through 2099, with automatic leap year correction.

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ISL12058IRTZ - Renesas Electronics - PCB symbol
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PCB Footprints
ISL12058IRTZ - Renesas Electronics PCB footprint - Small Outline No-lead - Small Outline No-lead - L8.3x3I
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3D Models
ISL12058IRTZ - Renesas Electronics - 3D model - Small Outline No-lead - L8.3x3I
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ISL12058IRTZ Details

  • Manufacturer Part Number:

    ISL12058IRTZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TDFN

  • Pin Count:

    8

  • Manufacturer Package Code:

    L8.3X3I

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Peak Reflow Temperature (Cel):

    260

  • Terminal Finish:

    Matte Tin (Sn) - annealed

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

    30

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

ISL12058IRTZ Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in the application note AN1443, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The ISL12058IRTZ has a built-in crystal oscillator startup timer that can be programmed to ensure the oscillator is stable before the RTC starts counting. The startup time can be set using the STS bits in the Control Register 1 (CR1).
  • The ISL12058IRTZ is rated for operation from -40°C to +85°C, but it's recommended to derate the operating temperature range based on the specific application and environmental conditions.
  • The ISL12058IRTZ has a built-in battery switch and a separate VBAT pin for connecting a battery. To implement a battery-backed RTC, connect a battery to the VBAT pin and configure the device to switch to battery power when the main power supply is removed.
  • The internal oscillator on the ISL12058IRTZ has a typical accuracy of ±10 ppm at 25°C, but this can vary depending on the specific device and operating conditions. For higher accuracy, an external crystal oscillator can be used.

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ISL12058IRTZ Overview

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