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IQ82C55AZ - Renesas Electronics

Description: The Intersil 82C55A is a high performance CMOS version of the industry standard 8255A and is manufactured using a self-aligned silicon gate CMOS process (Scaled SAJI IV). It is a general purpose programmable I/O device which may be used with many different microprocessors. There are 24 I/O pins which may be individually programmed in 2 groups of 12 and used in 3 major modes of operation. The high performance and industry standard configuration of the 82C55A make it compatible with the 80C86, 80C88 and other

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IQ82C55AZ - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - Q44.10x10
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IQ82C55AZ - Renesas Electronics  - 3D model - Quad Flat Packages - Q44.10x10
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IQ82C55AZ Details

  • Manufacturer Part Number:

    IQ82C55AZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    MQFP

  • Pin Count:

    44

  • Manufacturer Package Code:

    Q44.10X10

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Clock Frequency-Max:

    8 MHz

  • External Data Bus Width:

    8

  • JESD-30 Code:

    S-PQFP-G44

  • JESD-609 Code:

    e3

  • Length:

    10 mm

  • Moisture Sensitivity Level:

    3

  • Number of I/O Lines:

    24

  • Number of Ports:

    3

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QFP

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.45 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    10 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

IQ82C55AZ Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the IQ82C55AZ is 4.5V to 5.5V.
  • To configure the IQ82C55AZ for I2C mode, set the SCL pin as the clock input and the SDA pin as the data input/output. Also, ensure that the I2C mode is selected by setting the appropriate bits in the control register.
  • The IQ82C55AZ supports clock frequencies up to 100 kHz in I2C mode and up to 400 kHz in SPI mode.
  • To handle bus contention on the IQ82C55AZ, use an external resistor on the SDA line to limit the current and prevent damage to the device. Additionally, implement a protocol to handle arbitration and ensure that only one master device is transmitting at a time.
  • The power consumption of the IQ82C55AZ in standby mode is typically around 10 μA.

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IQ82C55AZ Overview

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