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MD82C37A/B - Renesas Electronics

Description: The 82C37A is an enhanced version of the industry standard 8237A Direct Memory Access (DMA) controller, fabricated using Intersil's advanced 2 micron CMOS process. Pin compatible with NMOS designs, the 82C37A offers increased functionality, improved performance, and dramatically reduced power consumption. The fully static design permits gated clock operation for even further reduction of power. The 82C37A controller can improve system performance by allowing external devices to transfer data directly to or

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MD82C37A/B - Renesas Electronics PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - 40 Ld CDIP
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MD82C37A/B Details

  • Manufacturer Part Number:

    MD82C37A/B

  • Brand Name:

    Renesas

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    CERDIP

  • Package Description:

    DIP-40

  • Pin Count:

    40

  • Manufacturer Package Code:

    F40.6

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.30

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    5

  • Additional Feature:

    LG-MAX

  • Address Bus Width:

    8

  • Bus Compatibility:

    80C286; 80286; 80186; 80C86; 8086; 80C88; 8088; 8085; Z80; NSC800

  • Clock Frequency-Max:

    8 MHz

  • External Data Bus Width:

    8

  • JESD-30 Code:

    R-CDIP-T40

  • JESD-609 Code:

    e0

  • Length:

    53.24 mm

  • Number of DMA Channels:

    4

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    CERAMIC, METAL-SEALED COFIRED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP40,.6

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Seated Height-Max:

    5.72 mm

  • Supply Current-Max:

    2 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    15.24 mm

  • uPs/uCs/Peripheral ICs Type:

    DMA CONTROLLER

MD82C37A/B Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the MD82C37A/B is 4.5V to 5.5V, with a typical voltage of 5V.
  • The POR circuitry in the MD82C37A/B is designed to reset the device when the power supply voltage falls below a certain threshold. To handle POR, ensure that the power supply voltage is stable and within the recommended range, and use an external reset circuit if necessary.
  • The maximum clock frequency supported by the MD82C37A/B is 25 MHz, but it can be operated at lower frequencies depending on the application requirements.
  • The MD82C37A/B can be interfaced with other devices using standard bus protocols such as 8-bit or 16-bit bus interfaces. Ensure that the interface signals are compatible with the device's voltage levels and timing requirements.
  • The MD82C37A/B has a maximum junction temperature of 150°C. Ensure that the device is properly heat-sinked and that the operating temperature is within the recommended range to prevent thermal shutdown or damage.

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MD82C37A/B Overview

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