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Logic

Logic

Logic forum

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Texas Instruments (TI) Logic support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search logic IC content or ask technical support questions on everything from voltage level translation and transceivers to standard logic gates and specialty logic devices. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] Why do some SOT package parts from TI have a pin that is not in the mechanical drawing?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ In short, this is not an extra pin and it is nothing to be concerned about. It is part of the support used in the manufacturing process. - SOT (Single Outline Transistor…
    • over 2 years ago
    • Logic
    • Logic forum
  • [FAQ] SN74HCS00: The Logic Industry's Smallest Leaded Package; DYY

    Brandt Burgdorf
    Brandt Burgdorf
    Part Number: SN74HCS00 The Logic Industry’s Smallest Leaded Package; SOT-23-THIN (DYY) Many companies still rely solely on optical verification methods to ensure their components have been successfully soldered and are unwilling or not yet able to…
    • over 2 years ago
    • Logic
    • Logic forum
  • [FAQ] What's the difference between a buffered and unbuffered CMOS device?

    Albert Xu1
    Albert Xu1
    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ Definition: A buffered CMOS device has output characteristics that only relies on the logical output of the gate. In a NOR gate, different input values can result in the same output…
    • over 2 years ago
    • Logic
    • Logic forum
  • [FAQ] SN74HCS595-Q1: How do Wettable Flank WQFN packages (WBQB) help LOGIC automotive customers?

    Michael Marinello
    Michael Marinello
    Part Number: SN74HCS595-Q1 Other Parts Discussed in Thread: SN74HCS138-Q1 , SN74HCS151-Q1 , SN74HCS153-Q1 , SN74HCS157-Q1 , SN74HCS165-Q1 , SN74HCS259-Q1 , SN74HCS365-Q1 , SN74HCS367-Q1 , SN74HCS594-Q1 , Efficient Automated Optical Inspection (AOI) with…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] How will a logic device respond to a short or open circuit?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ This is provided as information only, and is not a guarantee of device performance under the conditions described. This is not a Pin FMEA document, as Standard Logic devices…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] Why is there a voltage offset at the input of the SN74AXCxTxxx device?

    Dylan Hubbard
    Dylan Hubbard
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ The AXC family of Voltage Translators have built in dynamic pull-downs at the I/O. These pull-downs assist with with the glitch free power sequencing feature included in this…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] Do I still need pull-up/pull-down resistors with bus-hold circuitry?

    Albert Xu1
    Albert Xu1
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ Short answer: External pull-up/down resistors are not recommended for devices with bus-hold circuitry. Explanation: A pull-up or pull-down resistor will create a voltage-divider…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] Why are the TXS01xx VIH/VIL specifications so stringent?

    Dylan Hubbard
    Dylan Hubbard
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ TXS family translators utilize a FET-based architecture with an N-channel pass-gate transistor used to open and close the connection between the A-port and B-port. The FET connects…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] [H] Frequently Asked Questions: Logic and Voltage Translation

    Michael J Schultis
    Michael J Schultis
    Select this link to see answers to common questions, detailed use case implementations, and part recommendations for logic and voltage translation devices. . Top Logic and Voltage Translation FAQs - All-Time How does a slow or floating input affect…
    • Answered
    • over 4 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the typical delay of a logic device in a particular logic family?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Timing Parameters >> Current FAQ Delays vary from device to device, however a general idea of delay can be shown graphically: Two things to note from the above graphic (1) Delay always increases as the supply…
    • over 4 years ago
    • Logic
    • Logic forum
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  • Suggested Answer

    SN74LVC1G125: SN74LVC1G125DBV 0 Locked

    458 views
    5 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Answered

    TXB0108: Voltage translator not outputting the right voltage 0 Locked

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    Latest over 1 year ago
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    CD4504B: CD4504B Quiescent current in CMOS-CMOS mode 0 Locked

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    SN74LV244A: When Vcc is lower than 2V 0 Locked

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    SN74LVC14A: Communication Failure 0 Locked

    372 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74V293: Any Reason to not use -6 or -7.5 Variant Part Numbers for Designs Requiring -10 Variant? 0 Locked

    235 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74HCS14: HCS Device Features 0 Locked

    378 views
    2 replies
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  • Suggested Answer

    TXS0102: TXS0102 Gives OUTPUT After 20 Seconds 0 Locked

    396 views
    1 reply
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    by Jack Guan
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    SN74F02: SN74F02DR Lifecycle query 0 Locked

    292 views
    2 replies
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74LVC2G17: If powering the SN74LVC2G17 from 5.0V, can a 3.3V logic signal reliably work? 0 Locked

    445 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LVC4245A: SN74LVC4245A 0 Locked

    525 views
    3 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    SN74HC240: Part number 0 Locked

    317 views
    1 reply
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    by Clemens Ladisch
  • Suggested Answer

    SN74LVC244ARGYR Query 0 Locked

    217 views
    1 reply
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  • Answered

    SN74AUP3G34: SN74AUP3G34 0 Locked

    306 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    LSF0204: IC Power consumption 0 Locked

    310 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G123: Looking for a digital line programmable delay circuit 0 Locked

    1598 views
    4 replies
    Latest over 1 year ago
    by Andras Magyar
  • Answered

    SN74LVC125A: Does the device support test mode for aging test 0 Locked

    287 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Answered

    SN74LV125A: we use buffer in STO circuit and this buffer cannot be recognized as a fail-safe part. 0 Locked

    464 views
    2 replies
    Latest over 1 year ago
    by Long Wang
  • Suggested Answer

    SN74AHCT86: SN74AHCT86PWR - drop in alternative 0 Locked

    274 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN7438: What is the ESD rating of this device? 0 Locked

    266 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
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