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SN74LS193D - Texas Instruments

Description: Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear

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SN74LS193D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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SN74LS193D - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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SN74LS193D Details

  • Manufacturer Part Number:

    SN74LS193D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    15 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    25000000 Hz

  • Max I(ol):

    0.008 A

  • Mode of Operation:

    SYNCHRONOUS

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    34 mA

  • Prop. Delay@Nom-Sup:

    47 ns

  • Propagation Delay (tpd):

    47 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 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:

    3.9 mm

  • fmax-Min:

    25 MHz

SN74LS193D Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS193D is 5 MHz, but it can be operated at higher frequencies with proper signal integrity and layout considerations.
  • To ensure proper reset, the reset input (R) should be pulled low for at least 10 ns, and then released. The counter will reset to zero when the reset input is low.
  • The SN74LS193D is a 4-bit binary counter, which means it can count up to 15 (1111 in binary).
  • Yes, the SN74LS193D can be used as a divider by connecting the clock input to the output of a previous stage. However, the divide ratio will be limited to powers of 2 (2, 4, 8, etc.).
  • To cascade multiple counters, connect the carry-out (CO) of one counter to the clock input of the next counter. Ensure that the counters are properly synchronized and that the clock signal is properly distributed.

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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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