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SN74CB3Q3345PW - Texas Instruments

Description: 8-Bit FET 2.5-V/3.3-V Low-Voltage High-Bandwidth Bus Switch

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SN74CB3Q3345PW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0020A
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SN74CB3Q3345PW - Texas Instruments  - 3D model - Small Outline Packages - PW0020A
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SN74CB3Q3345PW Details

  • Manufacturer Part Number:

    SN74CB3Q3345PW

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    ALSO OPERATES WITH 3.3V SUPPLY

  • Control Type:

    ENABLE LOW/HIGH

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    CB3Q/3VH/3C/2B

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS DRIVER

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    2 mA

  • Prop. Delay@Nom-Sup:

    0.2 ns

  • Propagation Delay (tpd):

    0.2 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    2.3 V

  • Supply Voltage-Nom (Vsup):

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

SN74CB3Q3345PW Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLVAE04, which includes guidelines for signal routing, decoupling, and thermal management to ensure optimal performance and minimize signal integrity issues.
  • The SN74CB3Q3345PW has a maximum junction temperature of 150°C. To manage thermal issues, ensure good airflow, use thermal vias, and consider using a heat sink or thermal pad. TI also provides thermal modeling tools to help with thermal design.
  • The recommended power sequencing for the SN74CB3Q3345PW is to power up VCC before VCCA, and power down VCCA before VCC. This ensures that the internal voltage regulators are properly initialized and avoids potential latch-up conditions.
  • To troubleshoot signal integrity issues, use oscilloscopes or signal analyzers to measure signal quality, and check for signal ringing, overshoot, and undershoot. Also, verify that the PCB layout follows the recommended guidelines, and ensure that the device is properly decoupled and terminated.
  • The SN74CB3Q3345PW is specified to operate up to 500 MHz, but the actual operating frequency may be limited by the system design, PCB layout, and signal quality. TI provides simulation models and tools to help designers estimate the maximum operating frequency for their specific application.

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SN74CB3Q3345PW 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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Part Image SN74CB3Q3345PWRG4 Texas Instruments

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Part Image SN74CB3Q3345PWRE4 Texas Instruments

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Part Image SN74CB3Q3345PWE4 Texas Instruments

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Part Image 74CB3Q3345DGVRE4 Texas Instruments

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