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ISL1208IRT8Z - Renesas Electronics

Description: The ISL1208 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and 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 accurate through 2099, with automatic leap year c

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Symbol
ISL1208IRT8Z - Renesas Electronics - PCB symbol
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PCB Footprints
ISL1208IRT8Z - Renesas Electronics PCB footprint - Small Outline No-lead - Small Outline No-lead - L8.3x3A
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3D Models
ISL1208IRT8Z - Renesas Electronics - 3D model - Small Outline No-lead - L8.3x3A
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ISL1208IRT8Z Details

  • Manufacturer Part Number:

    ISL1208IRT8Z

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TDFN

  • Package Description:

    TDFN-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    L8.3X3A

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Clock Frequency-Max:

    0.032 MHz

  • Information Access Method:

    SERIAL(I2C)

  • Interrupt Capability:

    Y

  • JESD-30 Code:

    S-PDSO-N8

  • JESD-609 Code:

    e3

  • Length:

    3 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:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.12,25

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • RAM (words):

    2

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    0.004 mA

  • 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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time-Min:

    SECONDS

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

    30

  • Volatile:

    NO

  • Width:

    3 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

ISL1208IRT8Z 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 ISL1208IRT8Z 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 adjusted by setting the ST bits in the Control Register 1 (CR1).
  • The ISL1208IRT8Z 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 ISL1208IRT8Z can be interfaced with a microcontroller using a serial interface such as I2C or SPI. The specific interface protocol and pin connections will depend on the microcontroller and application requirements.
  • The ISL1208IRT8Z has a low-power mode that reduces power consumption to approximately 350nA at 3.3V. This mode can be enabled by setting the LP bit in the Control Register 1 (CR1).

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ISL1208IRT8Z Overview

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