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SN74LS33DR - Texas Instruments

Description: Quad 2-input positive-NOR buffers with open collector outputs

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SN74LS33DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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SN74LS33DR - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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SN74LS33DR Details

  • Manufacturer Part Number:

    SN74LS33DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    NOR GATE

  • Max I(ol):

    0.048 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Inputs:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    13.8 mA

  • Prop. Delay@Nom-Sup:

    32 ns

  • Propagation Delay (tpd):

    28 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • 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

  • Width:

    3.9 mm

SN74LS33DR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS33DR is typically around 30-40 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal management practices, such as providing adequate heat sinking, using a thermally conductive PCB material, and keeping the device within its recommended operating temperature range (0°C to 70°C).
  • The SN74LS33DR is a 5V device, but it can be used in 3.3V or 1.8V systems with some limitations. However, the output voltage levels may not be compatible with 3.3V or 1.8V logic, and the device's performance may be degraded. It's recommended to use a level translator or voltage regulator to ensure compatibility.
  • The maximum input voltage that the SN74LS33DR can tolerate is 7V, but it's recommended to keep the input voltage within the recommended operating range (0V to 5.5V) to ensure reliable operation.
  • To handle ESD protection for the SN74LS33DR, it's recommended to follow proper ESD handling procedures, such as using an ESD wrist strap, ESD mat, or ESD bag, and ensuring that the device is properly grounded during handling and assembly.

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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.

Parts related to SN74LS33DR

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SN74LS33DR Alternates

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Image Part Number Model
Part Image SN74LS33D Texas Instruments

NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14

Part Image DM74LS33M Rochester Electronics LLC

NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14

Part Image SN74LS33DRE4 Texas Instruments

NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14

Part Image SN74LS33DRG4 Texas Instruments

NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14

Part Image T74LS33M1 STMicroelectronics

NOR Gate, LS Series, 4-Func, 2-Input, TTL, PDSO14

For a full list of alternate parts for SN74LS33DR, check out Findchips.com