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SN74LS173AD - Texas Instruments

Description: 4-Bit D-type Registers with 3-State Outputs

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SN74LS173AD - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - SOIC d package
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SN74LS173AD Details

  • Manufacturer Part Number:

    SN74LS173AD

  • 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:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    WITH HOLD MODE; WITH DUAL OUTPUT ENABLE; DISABLE TIME CL = 5PF

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    D FLIP-FLOP

  • Max Frequency@Nom-Sup:

    25000000 Hz

  • Max I(ol):

    0.024 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    4

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • 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):

    24 mA

  • Prop. Delay@Nom-Sup:

    30 ns

  • Propagation Delay (tpd):

    35 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:

    35 MHz

SN74LS173AD Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS173AD is 35 MHz, but it can vary depending on the operating conditions and the load capacitance.
  • 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 operating voltage range for the SN74LS173AD is 4.75V to 5.25V. Operating the device outside this range may affect its performance and reliability.
  • The CLR input is asynchronous, meaning it can be asserted at any time, including during clock transitions. To ensure proper operation, it's recommended to synchronize the CLR input with the clock signal using a flip-flop or a synchronizer circuit.
  • The propagation delay of the SN74LS173AD is typically around 10-15 ns, but it can vary depending on the operating conditions, temperature, and load capacitance.

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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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Part Image DM74LS173AM Texas Instruments

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Part Image DM74LS173AM National Semiconductor Corporation

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Part Image DV74LS173AD avg Semiconductors

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Part Image SN74LS173ADRG4 Texas Instruments

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Part Image SN74LS173ADR2 Motorola Semiconductor Products

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For a full list of alternate parts for SN74LS173AD, check out Findchips.com