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ICM7218CIJI - 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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ICM7218CIJI - Renesas Electronics - PCB symbol
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ICM7218CIJI - Renesas Electronics PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - F28.6
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ICM7218CIJI Details

  • Manufacturer Part Number:

    ICM7218CIJI

  • 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

  • Factory Lead Time:

    4 Weeks

  • 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

ICM7218CIJI Frequently Asked Questions (FAQs)

  • A good layout and routing practice is to keep the analog and digital grounds separate, use a solid ground plane, and keep the power supply lines away from the analog signals. Additionally, use a low-ESR capacitor for decoupling and place it close to the power pins.
  • The ICM7218CIJI requires a single 5V power supply. Ensure that the power supply is clean and regulated, and that the voltage rises monotonically during power-up. The power sequencing requirement is to power up the VCC pin before the VDD pin.
  • The recommended clock frequency for the ICM7218CIJI is between 1 MHz to 10 MHz. The clock signal should be a clean, low-jitter signal with a duty cycle of 50% ± 10%. A clock signal with excessive jitter or noise can affect the device's performance and accuracy.
  • The ICM7218CIJI has a 3-state output that can be connected directly to a microcontroller or other digital devices. Ensure that the output is properly terminated and that the receiving device can handle the output voltage and current levels.
  • The ICM7218CIJI has a maximum junction temperature of 150°C. Ensure good airflow around the device, and consider using a heat sink or thermal pad to dissipate heat. Avoid touching the device or its pins during operation to prevent thermal damage.

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ICM7218CIJI Overview

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