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SN74HC245DWE4 - Texas Instruments

Description: Bus Transceivers Octal Bus Trnscvrs With 3-State Outputs

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SN74HC245DWE4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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SN74HC245DWE4 Details

  • Manufacturer Part Number:

    SN74HC245DWE4

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-20

  • Pin Count:

    20

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Control Type:

    COMMON CONTROL

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Load Capacitance (CL):

    150 pF

  • Logic IC Type:

    BUS TRANSCEIVER

  • Max I(ol):

    0.006 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • 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):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    26 ns

  • Propagation Delay (tpd):

    170 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

SN74HC245DWE4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74HC245DWE4 is 50 MHz, but it can vary depending on the output load and supply voltage.
  • To ensure signal integrity, use a low-impedance output driver, keep the output traces short, and use a ground plane to reduce electromagnetic interference (EMI).
  • Yes, the SN74HC245DWE4 can operate with a supply voltage as low as 2V, but the output voltage levels may not be compatible with 3.3V logic. Ensure that the output voltage levels meet the requirements of your system.
  • The propagation delay of the SN74HC245DWE4 is typically around 10-15 ns, but it can vary depending on the temperature, supply voltage, and output load.
  • To handle bus contention, use a bus arbiter or a multiplexer to ensure that only one device is driving the bus at a time. You can also use a bus buffer or a line driver to isolate the devices and prevent bus contention.

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SN74HC245DWE4 Overview

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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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