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SN74ALS645A-1DW - Texas Instruments

Description: Texas Instruments SN74ALS645A-1DW, Bus Transceiver, 8-Bit Non-Inverting TTL, 5V, 20-Pin SOIC

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PCB Footprints
SN74ALS645A-1DW - Texas Instruments PCB footprint - Other - Other - SOIC127P1032X265-20N
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SN74ALS645A-1DW - Texas Instruments  - 3D model - Other - SOIC127P1032X265-20N
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SN74ALS645A-1DW Details

  • Manufacturer Part Number:

    SN74ALS645A-1DW

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    WITH DIRECTION CONTROL

  • Control Type:

    COMMON CONTROL

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    ALS

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS TRANSCEIVER

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • 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:

    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):

    58 mA

  • Prop. Delay@Nom-Sup:

    10 ns

  • Propagation Delay (tpd):

    10 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • 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

SN74ALS645A-1DW Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74ALS645A-1DW is 100 MHz.
  • Yes, the SN74ALS645A-1DW is 5V tolerant, meaning it can accept input voltages up to 5.5V even when operating at a lower VCC voltage.
  • The propagation delay of the SN74ALS645A-1DW is typically around 10-15 ns, depending on the operating conditions and load capacitance.
  • Yes, the SN74ALS645A-1DW can operate at a VCC voltage as low as 3.3V, but the output voltage levels may not be as high as when operating at 5V.
  • Yes, the SN74ALS645A-1DW is compatible with TTL logic levels, and can be used as a drop-in replacement for TTL devices in many applications.

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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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