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SN74LS193NSR - Texas Instruments

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

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SN74LS193NSR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - so nc package
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SN74LS193NSR Details

  • Manufacturer Part Number:

    SN74LS193NSR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • 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:

    10.2 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,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • 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:

    2 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:

    5.3 mm

  • fmax-Min:

    25 MHz

SN74LS193NSR Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS193NSR is 5 MHz, but it can be operated at higher frequencies with proper signal conditioning and layout.
  • 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 prevents any unwanted behavior.
  • The recommended operating voltage range for the SN74LS193NSR is 4.75V to 5.25V. Operating the device outside this range may affect its performance and reliability.
  • No, the SN74LS193NSR is not designed to operate at 3.3V. It is a 5V device and operating it at 3.3V may not provide reliable operation or may even damage the device.
  • The CLR input should be synchronized with the clock signal to prevent metastability issues. It is recommended to use a flip-flop or a synchronizer circuit to synchronize the CLR input with the clock signal.

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SN74LS193NSR 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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