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ISL1208IU8Z-T7A - 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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ISL1208IU8Z-T7A - Renesas Electronics - PCB symbol
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PCB Footprints
ISL1208IU8Z-T7A - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M8.118
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ISL1208IU8Z-T7A - Renesas Electronics - 3D model - Small Outline Packages - M8.118
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ISL1208IU8Z-T7A Details

  • Manufacturer Part Number:

    ISL1208IU8Z-T7A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    MSOP

  • Package Description:

    MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    M8.118

  • Country Of Origin:

    Thailand

  • 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:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • 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:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.2

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • RAM (words):

    2

  • Seated Height-Max:

    1.1 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 (Sn) - annealed

  • Terminal Form:

    GULL WING

  • 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

ISL1208IU8Z-T7A Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL1208IU8Z-T7A involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the distance between the IC and the crystal oscillator. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure the accuracy of the clock output, it's essential to use a high-quality crystal oscillator with a low equivalent series resistance (ESR) and a high-quality capacitor with a low equivalent series inductance (ESL). Additionally, the PCB layout should be designed to minimize noise and interference.
  • The maximum frequency deviation of the ISL1208IU8Z-T7A is ±20 ppm over the operating temperature range of -40°C to 85°C.
  • The ISL1208IU8Z-T7A can be configured for a specific clock frequency by selecting the appropriate crystal oscillator frequency and configuring the internal clock divider. The datasheet provides a clock frequency selection table to help with this process.
  • The power consumption of the ISL1208IU8Z-T7A is typically 1.5 mA at 3.3V and 1.2 mA at 2.5V, depending on the operating frequency and output load.

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ISL1208IU8Z-T7A Overview

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