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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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  • Answered

    SN74LVC541A: successor of SN74LVC541A 0 Locked

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

    TXU0304: internal pull low resister 0 Locked

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

    SN74HC11: Rise time synchronization 0 Locked

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

    SN74AHC1G08-Q1: The mold information of SN74AHC1G08QDBVRQ1 0 Locked

    523 views
    3 replies
    Latest over 1 year ago
    by Albert Xu1
  • Answered

    SN74HC244-Q1: question about PSPICE 0 Locked

    447 views
    2 replies
    Latest over 1 year ago
    by Jay wang
  • Suggested Answer

    LSF0108: For SPI MISO/MOSI level tanslation 0 Locked

    347 views
    2 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    SN74LXC2T45-Q1: The internal pull-down caused some circuits to malfunction 0 Locked

    310 views
    1 reply
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74VMEH22501A: Terminal processing 0 Locked

    343 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    TXU0102: Is B port an input? 0 Locked

    392 views
    5 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    LSF0108: There will be leakage when VREF_B is earlier 0 Locked

    256 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Answered

    SN74LVC16245A: data rate 0 Locked

    275 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    TXS0108E: TXS0108E 0 Locked

    345 views
    3 replies
    Latest over 1 year ago
    by Jack Guan
  • Answered

    SN74AVC2T244: ABS MAX current rating / Vabs max on input 0 Locked

    409 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G32: difference between SN74LVC1G32DRY2 and SN74LVC1G32DRYR 0 Locked

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

    SN74AVC2T45-Q1: CAVC2T45TDCURQ1 0 Locked

    354 views
    4 replies
    Latest over 1 year ago
    by Roy Chan
  • Answered

    SN74AUC1G14: Looking for device or scheme of high frequency inverter & buffer 0 Locked

    296 views
    2 replies
    Latest over 1 year ago
    by Hans Zhang
  • Suggested Answer

    SN74LV14A: Maximum driveable current 0 Locked

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

    SN74LS74A: Why was SN74ACT74PWR selected as alternate device for SN74LS74ADBR? 0 Locked

    313 views
    2 replies
    Latest over 1 year ago
    by Kazuya Nakai59
  • Suggested Answer

    CD74HC4046A: need help with reading PC2out with adc 0 Locked

    357 views
    1 reply
    Latest over 1 year ago
    by Connor Lewis
  • Suggested Answer

    SN74LVC16245A: Hot plug and unplug applications 0 Locked

    355 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
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