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SN74LS593DW - Texas Instruments

Description: Texas Instruments SN74LS593DW, 8-stage, Binary Counter/Register, Up Counter, 5V, 20-Pin SOIC

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PCB Footprints
SN74LS593DW - Texas Instruments PCB footprint - Other - Other - SOIC127P1030X265-20N
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SN74LS593DW - Texas Instruments  - 3D model - Other - SOIC127P1030X265-20N
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SN74LS593DW Details

  • Manufacturer Part Number:

    SN74LS593DW

  • 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:

    TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O

  • Count Direction:

    UP

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Load Capacitance (CL):

    45 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    20000000 Hz

  • Max I(ol):

    0.024 A

  • Mode of Operation:

    ASYNCHRONOUS

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • 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):

    80 mA

  • Prop. Delay@Nom-Sup:

    63 ns

  • Propagation Delay (tpd):

    39 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 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

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    7.5 mm

  • fmax-Min:

    20 MHz

SN74LS593DW Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS593DW is 40 MHz, but it can vary depending on the operating voltage and temperature. It's recommended to check the timing characteristics in the datasheet for specific frequency limits.
  • To ensure proper reset, connect the MR (Master Reset) pin to a pull-up resistor and a capacitor to VCC. This will ensure that the device is reset during power-up and holds the reset state until the capacitor is fully charged.
  • The recommended power-on sequence is to apply VCC first, followed by the clock signal, and then the input data. This ensures that the device is properly initialized and ready to operate.
  • Yes, the SN74LS593DW can operate at 3.3V, but it's recommended to check the voltage tolerance and output voltage levels to ensure compatibility with the system. Additionally, the device's performance may vary at lower voltages.
  • Metastability issues can occur when the clock signal is not properly synchronized with the data input. To handle this, use a synchronizer circuit or a two-stage synchronizer to ensure that the data is properly aligned with the clock signal.

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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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