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CMS82C55AZ - Renesas Electronics

Description: The Renesas 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). The MX82C55A has identical features as the X82C55 with the exception of no bus hold devices on the port pins. 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 two groups of 12 and used in three major modes of operation. The hi

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CMS82C55AZ - Renesas Electronics PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - N44.65
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CMS82C55AZ - Renesas Electronics  - 3D model - Plastic Leaded Chip Carrier - N44.65
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CMS82C55AZ Details

  • Manufacturer Part Number:

    CMS82C55AZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    PLCC

  • Pin Count:

    44

  • Manufacturer Package Code:

    N44.65

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    5.96

  • Clock Frequency-Max:

    8 MHz

  • External Data Bus Width:

    8

  • JESD-30 Code:

    S-PQCC-J44

  • JESD-609 Code:

    e3

  • Length:

    16.585 mm

  • Moisture Sensitivity Level:

    3

  • Number of I/O Lines:

    24

  • Number of Ports:

    3

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCJ

  • Package Equivalence Code:

    LDCC44,.7SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    4.57 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    16.585 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

CMS82C55AZ Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the CMS82C55AZ is 4.5V to 5.5V.
  • The reset pin (RESET) should be pulled high during power-up and power-down sequences to ensure proper initialization and reset of the device.
  • The maximum clock frequency supported by the CMS82C55AZ is 24 MHz.
  • The chip select (CS) pin should be tied low to enable the device, and tied high to disable it. Additionally, the CS pin should be connected to a pull-up resistor to prevent floating.
  • The address latch enable (ALE) pin is used to latch the address bus during memory access. It should be tied high during address setup and low during data transfer.

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CMS82C55AZ Overview

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