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ICM7218DIJI - Renesas Electronics

Description: The ICM7218 series of universal LED driver systems provide, in a single package, all the circuitry necessary to interface most common microprocessors or digital systems to an LED display. Included on-chip are an 8-byte static display memory, two types of 7-segment decoders, multiplex scan circuitry, and high current digit and segment drivers for either common cathode or common anode displays. The lCM7218A and 1CM7218B feature two control lines (WRITE and MODE) which write either 4 bits of control informatio

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ICM7218DIJI - Renesas Electronics - PCB symbol
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ICM7218DIJI - Renesas Electronics PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - F28.6
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ICM7218DIJI Details

  • Manufacturer Part Number:

    ICM7218DIJI

  • Brand Name:

    Renesas

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    CERDIP

  • Package Description:

    DIP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    F28.6

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Data Input Mode:

    PARALLEL

  • Display Mode:

    DIGIT; SEGMENT

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-CDIP-T28

  • JESD-609 Code:

    e0

  • Length:

    37.85 mm

  • Multiplexed Display Capability:

    YES

  • 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:

    CERAMIC, METAL-SEALED COFIRED

  • Package Code:

    DIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Seated Height-Max:

    5.92 mm

  • Supply Current-Max:

    0.7 mA

  • Supply Voltage-Max:

    6 V

  • Supply Voltage-Min:

    4 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    15.24 mm

ICM7218DIJI Frequently Asked Questions (FAQs)

  • Renesas recommends following a star-grounding scheme, keeping analog and digital grounds separate, and using a solid ground plane to minimize noise. Additionally, keep the IC away from high-current carrying traces and use a low-ESR capacitor for decoupling.
  • Make sure to follow the power-up sequence specified in the datasheet, which includes applying VCC before VDD, and ensuring that the voltage on VCC is stable before enabling the oscillator. Also, ensure that the reset pin is properly tied to VCC or a pull-up resistor.
  • The maximum clock frequency is 4MHz, but it's recommended to operate at 2MHz or lower to ensure reliable operation and minimize power consumption.
  • The ICM7218DIJI has a limited output current of 5mA per pin. To handle this, use external buffers or drivers for outputs that require higher currents, and ensure that the total output current does not exceed the maximum rating.
  • Use a serial interface such as I2C or SPI to program the internal registers. Ensure that the interface is properly configured and that the correct protocol is used to avoid data corruption or misinterpretation.

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ICM7218DIJI Overview

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