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SN74LS245NE4 - Texas Instruments

Description: Bus Transceivers Octal bus Transceiver

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SN74LS245NE4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T20)
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SN74LS245NE4 - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T20)
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SN74LS245NE4 Details

  • Manufacturer Part Number:

    SN74LS245NE4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Control Type:

    COMMON CONTROL

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    24.33 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    BUS TRANSCEIVER

  • Max I(ol):

    0.024 A

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °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):

    95 mA

  • Prop. Delay@Nom-Sup:

    12 ns

  • Propagation Delay (tpd):

    12 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    6.35 mm

SN74LS245NE4 Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS245NE4 is 30 MHz, but it can vary depending on the load capacitance and the output current.
  • 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. If left unconnected, the OE pin will float high, disabling the outputs.
  • The recommended power-on sequence is to apply power to the VCC pin first, followed by the input signals, and then the output enable (OE) pin. This helps prevent unwanted output transitions during power-up.
  • The SN74LS245NE4 is a 5V device, but it can be used in a 3.3V system with some limitations. The output voltage will be reduced, and the device may not meet the specified propagation delay and output current. Consult the datasheet and application notes for more information.
  • To ensure signal integrity, use a low-impedance output driver, keep the output traces short and well-terminated, and use a ground plane to reduce noise and crosstalk. Additionally, consider using a series resistor or a transmission line to match the output impedance to the load.

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SN74LS245NE4 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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Part Image SN74LS245JP4 Texas Instruments

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For a full list of alternate parts for SN74LS245NE4, check out Findchips.com