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ICM7228BIPIZ - Renesas Electronics

Description: The Intersil ICM7228 display driver interfaces microprocessors to an 8-digit, 7-segment, numeric LED display. Included on chip are two types of 7-segment decoder, multiplex scan circuitry, LED display segment drivers, LED display digit drivers and an 8-byte static memory as display RAM. Data can be written to the ICM7228A and ICM7228B's display RAM in sequential 8-digit update or in single-digit update format. Data is written to the ICM7228C display RAM in parallel random access format. The ICM7228A and ICM

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ICM7228BIPIZ - Renesas Electronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - E28.6--
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ICM7228BIPIZ - Renesas Electronics  - 3D model - Dual-In-Line Packages - E28.6--
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ICM7228BIPIZ Details

  • Manufacturer Part Number:

    ICM7228BIPIZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    PDIP

  • Package Description:

    PDIP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    E28.6

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Data Input Mode:

    SERIAL

  • Display Mode:

    SEGMENT

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDIP-T28

  • JESD-609 Code:

    e3

  • Length:

    37.4 mm

  • Multiplexed Display Capability:

    NO

  • Number of Digits/Characters:

    8-DIGIT

  • Number of Functions:

    1

  • Number of Segments:

    7

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Seated Height-Max:

    6.35 mm

  • Supply Current-Max:

    0.45 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    15.24 mm

  • fmax-Min:

    0.00039 MHz

ICM7228BIPIZ Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. The device should be placed near a thermal pad or a heat sink to dissipate heat efficiently.
  • Ensure that the device is operated within the recommended voltage and current limits, and that the PCB is designed to minimize thermal gradients. Also, consider using a thermal interface material to improve heat transfer.
  • Critical timing parameters include clock frequency, setup and hold times, and propagation delay. Ensure that these parameters are met by using a clock signal with a stable frequency, and by designing the PCB to minimize signal skew and jitter.
  • Power sequencing should be handled by ensuring that the power supplies are turned on in the correct order, and that the device is held in reset until all power supplies are stable. A power-on reset circuit can be used to ensure a clean reset signal.
  • Recommended decoupling capacitor values are 0.1uF and 10uF, placed as close to the device as possible. Additional capacitors may be required depending on the specific application and PCB layout.

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ICM7228BIPIZ Overview

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