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CD74AC540M - Texas Instruments

Description: CD74AC540M, 8-Bit Buffer, Line Driver, AC, 3-State Inverting 1.5 → 5.5 V 20-Pin SOIC

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CD74AC540M - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G20)
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CD74AC540M Details

  • Manufacturer Part Number:

    CD74AC540M

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    WITH DUAL OUTPUT ENABLE

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    AC

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.16 mA

  • Prop. Delay@Nom-Sup:

    9.5 ns

  • Propagation Delay (tpd):

    77 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    1.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

CD74AC540M Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the CD74AC540M is 2V to 6V, with a typical voltage of 5V.
  • The output enable (OE) pin should be connected to a logic low (GND) to enable the outputs, and to a logic high (VCC) to disable the outputs. Leaving the OE pin unconnected or floating can cause unpredictable behavior.
  • The maximum frequency of operation for the CD74AC540M is typically around 100 MHz, but this can vary depending on the specific application and operating conditions.
  • Proper termination of the outputs is critical to prevent signal reflections and ensure reliable operation. A 50-ohm termination resistor should be used at the far end of the transmission line, and the output should be connected to a load impedance of 50 ohms or higher.
  • Yes, the CD74AC540M can be used in a 3.3V system, but the output voltage will be limited to around 3.3V. Additionally, the device may not meet the specified propagation delay and transition times at 3.3V.

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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