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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 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 3 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
  • [FAQ] Where can I get a CAD symbol, soldering footprint, or 3D model for my device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ TI utilizes the Ultra Librarian software to provide symbols, footprints, and 3D models for our devices. In the product folder for your selected device, scroll down and select…
    • over 4 years ago
    • Logic
    • Logic forum
  • [FAQ] How do I set up a TI.com device re-stock notification?

    Sebastian Muriel
    Sebastian Muriel
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ 1. Search for the desired device in the TI store . 2. Click on the device and select the Ordering & Quality link. 3. Select the Notify me when available link. 4…
    • over 4 years ago
    • Logic
    • Logic forum
  • [FAQ] What are the performance specifications of the HCS logic family at 3.3V operation?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ This question comes up fairly often because the HCS logic family is specified only at 2V, 4.5V, and 6V. The following min / max values are interpolated from the datasheet tables…
    • over 4 years ago
    • Logic
    • Logic forum
  • [FAQ] How do I select a bypass capacitor for a CMOS logic device?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G08 , SN74LVC16244A FAQ: Logic and Voltage Translation > Power and Thermals >> Current FAQ For the short answer - use a 0.1uF for single supply logic devices like the SN74LVC1G08, or a 0.022uF capacitor for each…
    • over 4 years ago
    • Logic
    • Logic forum
  • [FAQ] What's the difference between logic output types (push-pull, open-drain, 3-state)?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ Push-Pull Output A push-pull output can source current in the high state or sink current in the low state. In modern CMOS devices, the most common configuration for a push-pull…
    • over 4 years ago
    • Logic
    • Logic forum
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View FAQ threads
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  • Answered

    TXS0108E: May I have some question for the part different ? 0 Locked

    5357 views
    12 replies
    Latest over 7 years ago
    by TAlex Wu
  • Answered

    SN74LS244: What does the 'E4' at the end of the part number mean? 0 Locked

    687 views
    2 replies
    Latest over 7 years ago
    by John Russo
  • Suggested Answer

    SN74AHC1G14: Issues on recognizing logical low 0 Locked

    1012 views
    8 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74GTL2003: SN74GTL2003 between LVCMOS18(1.8V) and LVTTL 3.3V 0 Locked

    550 views
    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    TXB0104: do we have trace length limitation for input signal and output signal? 0 Locked

    330 views
    1 reply
    Latest over 7 years ago
    by Karan Kotadia
  • Answered

    SN74LVC244A: Buffer recommendation 0 Locked

    704 views
    4 replies
    Latest over 7 years ago
    by Yang Wu
  • Suggested Answer

    SN74GTL2003: SN74GTL2003 between LVCMOS18(1.8V LVCMOS18) and 3.3V LVTTL(output) 0 Locked

    564 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC1G07: Whether the input (A) should be less than or equal to supply voltage (Vcc) or the input (A) can be greater than the supply voltage (Vcc) 0 Locked

    400 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74HC125: Logic state related query 0 Locked

    639 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74AUP1G125: Need to know maximum capacitive load driving capability 0 Locked

    489 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Not Answered

    [FAQ] What is the maximum capacitive load that a logic device can drive? 0 Locked

    7266 views
    0 replies
    Started over 7 years ago
    by Emrys Maier
  • Answered

    TXS0102 VIH spec. question 0 Locked

    551 views
    3 replies
    Latest over 7 years ago
    by ShreyasRao
  • Answered

    SN74LVC125A: Thermal information 0 Locked

    577 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74HC573A: what is the difference between the SN74HC573N and the SN74HC573AN? 0 Locked

    865 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC07A-Q1: What's SN74LVC07A supported maximum frequency? 0 Locked

    725 views
    3 replies
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74AUC2G34: Can I use this part as a clock buffer. 0 Locked

    728 views
    5 replies
    Latest over 7 years ago
    by Karan Kotadia
  • Suggested Answer

    LM567C: Which reference design suit to me? 0 Locked

    356 views
    3 replies
    Latest over 7 years ago
    by Lane Boyd
  • Suggested Answer

    SN74AUP1T34: SN74AUP1T34DCKR 0 Locked

    423 views
    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    SN74LVC125A: Thermal pad of SN74LVC125ARGYR 0 Locked

    383 views
    1 reply
    Latest over 7 years ago
    by Karan Kotadia
  • Suggested Answer

    SN74LVC1G17-Q1: Calculate Voh with different VCC and Ioh 0 Locked

    678 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
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