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M74HCT245B1R - STMicroelectronics

Description: Octal bus transceiver, PDIP20

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M74HCT245B1R - STMicroelectronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - DIP20
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M74HCT245B1R - STMicroelectronics  - 3D model - Dual-In-Line Packages - DIP20
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M74HCT245B1R Details

  • Manufacturer Part Number:

    M74HCT245B1R

  • Pbfree Code:

    Yes

  • 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 DIRECTION CONTROL

  • Control Type:

    COMMON CONTROL

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    HCT

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e3

  • Load Capacitance (CL):

    150 pF

  • Logic IC Type:

    BUS TRANSCEIVER

  • 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:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    70 mA

  • Prop. Delay@Nom-Sup:

    33 ns

  • Propagation Delay (tpd):

    45 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    3.93 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    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

M74HCT245B1R Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the M74HCT245B1R is typically around 100 MHz, but it can vary depending on the specific application and operating conditions.
  • The output enable (OE) pin should be connected to a logic signal that is asserted (low) to enable the outputs and negated (high) to disable the outputs. It's recommended to use a pull-up or pull-down resistor to ensure the OE pin is not left floating.
  • The recommended power-on sequence is to apply power to the VCC pin first, followed by the input signals, and then assert the output enable (OE) pin. This helps prevent unwanted output transitions during power-up.
  • Yes, the M74HCT245B1R is compatible with 5V systems, but it's essential to ensure that the input signals are within the recommended voltage range (VCC - 0.5V to VCC + 0.5V) to prevent damage to the device.
  • The M74HCT245B1R has a maximum junction temperature (TJ) of 150°C. Ensure good thermal design practices, such as providing adequate heat dissipation, using thermal vias, and keeping the device away from heat sources.

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M74HCT245B1R 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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