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ISL12020MIRZ - Renesas Electronics

Description: Low Power RTC with Battery Backed SRAM, Integrated ±5ppm Temperature Compensation and Auto Daylight Saving ISL12020M The ISL12020M device is a low power Real Time Clock (RTC) with an embedded temperature sensor and crystal. Device functions include oscillator compensation, clock/calendar, power fail and low battery monitors, brownout indicator, one-time, periodic or polled alarms, intelligent battery backup switching, Battery Reseal™ function and 128 bytes of battery-backed user SRAM. The device is offered

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ISL12020MIRZ - Renesas Electronics - PCB symbol
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PCB Footprints
ISL12020MIRZ - Renesas Electronics PCB footprint - Other - Other - L20.5.5x4.0
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ISL12020MIRZ - Renesas Electronics - 3D model - Other - L20.5.5x4.0
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ISL12020MIRZ Details

  • Manufacturer Part Number:

    ISL12020MIRZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DFN

  • Package Description:

    DFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    L20.5.5X4.0

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Date Of Intro:

    2017-11-22

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6.2

  • Clock Frequency-Max:

    0.032 MHz

  • Information Access Method:

    SERIAL(I2C)

  • Interrupt Capability:

    Y

  • JESD-30 Code:

    R-PDSO-N20

  • JESD-609 Code:

    e3

  • Length:

    5.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    20

  • On Chip Data RAM Width:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSON

  • Package Equivalence Code:

    SOLCC20,.16,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    260

  • RAM (words):

    128

  • Seated Height-Max:

    1.3 mm

  • 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)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Time-Min:

    SECONDS

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

    30

  • Volatile:

    NO

  • Width:

    4 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

ISL12020MIRZ Frequently Asked Questions (FAQs)

  • A good PCB layout for the ISL12020MIRZ involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the crystal oscillator. Additionally, it's recommended to use a low-ESR capacitor for the VDD pin and to minimize the length of the clock signal traces.
  • To ensure the accuracy of the RTC, it's essential to use a high-quality crystal oscillator with a low ppm tolerance, and to calibrate the RTC regularly using an external time reference. Additionally, the device should be operated within the recommended temperature range, and the power supply should be stable and noise-free.
  • The maximum frequency of the clock output of the ISL12020MIRZ is 32.768 kHz, which is the typical frequency used for real-time clock applications.
  • Yes, the ISL12020MIRZ is suitable for battery-powered devices due to its low power consumption and ability to operate from a single 1.8V to 5.5V power supply. However, it's essential to consider the power consumption of the entire system and to implement power-saving techniques to maximize battery life.
  • The ISL12020MIRZ can be interfaced with a microcontroller using a serial interface such as I2C or SPI. The device provides a 400 kHz I2C interface and a 4-wire SPI interface, allowing for easy communication with a microcontroller.

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ISL12020MIRZ Overview

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