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M74HC540B1R - STMicroelectronics

Description: Buffer/Line Driver, 8-Channel, PDIP20

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M74HC540B1R - STMicroelectronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - DIP20
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M74HC540B1R - STMicroelectronics  - 3D model - Dual-In-Line Packages - DIP20
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M74HC540B1R Details

  • Manufacturer Part Number:

    M74HC540B1R

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, DIP-20

  • Pin Count:

    20

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Additional Feature:

    WITH DUAL OUTPUT ENABLE

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e3

  • Load Capacitance (CL):

    150 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.006 A

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Power Supply Current-Max (ICC):

    70 mA

  • Prop. Delay@Nom-Sup:

    26 ns

  • Propagation Delay (tpd):

    175 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    3.93 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    4.5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

M74HC540B1R Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for M74HC540B1R is 2V to 6V, with a typical voltage of 5V.
  • It is recommended to power up the VCC pin first, followed by the input signals, and power down the input signals first, followed by the VCC pin to prevent latch-up and ensure proper operation.
  • The maximum frequency of operation for M74HC540B1R is 25 MHz, but it can vary depending on the operating voltage and load conditions.
  • To ensure that the output signals are not distorted or corrupted, it is recommended to use a suitable output load, such as a 1 kΩ resistor, and to keep the output signals away from noise sources and electromagnetic interference.
  • M74HC540B1R is rated for operation up to 125°C, but it is recommended to derate the device for high-temperature operation to ensure reliable operation and to prevent thermal damage.

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M74HC540B1R Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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