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SN74AS757DWR - Texas Instruments

Description: Octal Buffers/Line Drivers With Open-Collector Outputs

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PCB Footprints
SN74AS757DWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A 2021
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SN74AS757DWR - Texas Instruments  - 3D model - Small Outline Packages - DW0020A 2021
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SN74AS757DWR Details

  • Manufacturer Part Number:

    SN74AS757DWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    TRISTATE CONTROL INPUT ACTIVE HIGH FOR ONE FUNCTION

  • Control Type:

    ENABLE LOW/HIGH

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    AS

  • 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):

    0.064 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • 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:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    95 mA

  • Prop. Delay@Nom-Sup:

    18.5 ns

  • Propagation Delay (tpd):

    6 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • 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

SN74AS757DWR Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the SN74AS757DWR is 4.5V to 5.5V, with a typical voltage of 5V.
  • The SN74AS757DWR has a thermal pad on the bottom of the package that should be connected to a thermal ground plane or a heat sink to dissipate heat. A thermal interface material (TIM) can be used to improve heat transfer.
  • The maximum clock frequency that the SN74AS757DWR can handle is 100 MHz, but this can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use controlled impedance traces, minimize trace lengths, and use termination resistors as needed. Also, follow proper PCB layout and routing guidelines to reduce noise and crosstalk.
  • The SN74AS757DWR is a 5V device, but it can be used with 3.3V logic with proper level shifting or voltage translation. However, this may require additional circuitry and careful design consideration.

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SN74AS757DWR 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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