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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 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
  • [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

    CD74HC4017: Safe operating clock frequency range at 3.3V supply voltage? 0 Locked

    270 views
    2 replies
    Latest over 2 years ago
    by Saeid Jafari
  • Answered

    LSF0108-Q1: Can I consider as an impedance of a transmission line? 0 Locked

    308 views
    4 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Not Answered

    TXU0304: Altium file available? 0 Locked

    167 views
    1 reply
    Latest over 2 years ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74LVC8T245: output takes 10s to be 0V when power off 0 Locked

    232 views
    2 replies
    Latest over 2 years ago
    by Michael Ikwuyum
  • Answered

    SN74AUP1G126: Operating with VCC of 1.05V (+/-0.05V) 0 Locked

    417 views
    3 replies
    Latest over 2 years ago
    by Jack Campbell
  • Answered

    SN74LV541A: About VOH 0 Locked

    239 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AXC2T245: SN74AXC2T245RSWR material currently has 5800 pieces in stock, with oxidation accounting for about 60%. Please help confirm if there is a way to handle oxidation in order to continue using it in the future. Thank you 0 Locked

    220 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74LV06A: About l Transition Rate specification 0 Locked

    311 views
    5 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Not Answered

    CD74HC4046A: CD74HC4046APWR related issues 0 Locked

    210 views
    1 reply
    Latest over 2 years ago
    by vicente flores prado
  • Suggested Answer

    CD4098B: CD4098B spice model 0 Locked

    490 views
    1 reply
    Latest over 2 years ago
    by Jack Campbell
  • Suggested Answer

    SN74AUP1G74: Wrong symbol 0 Locked

    255 views
    1 reply
    Latest over 2 years ago
    by Jack Campbell
  • Suggested Answer

    SN74AHC1G32: Date rate (MBps) vs Frequency (Hz) 0 Locked

    367 views
    1 reply
    Latest over 2 years ago
    by Jack Campbell
  • Suggested Answer

    TXS0206: SD CARD LEVEL TRANSLATION 0 Locked

    261 views
    3 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AUP1G74: junction to case thermal resistance 0 Locked

    250 views
    3 replies
    Latest over 2 years ago
    by Malcolm Lyn
  • Suggested Answer

    SN74LVC8T245-Q1: Decaps requirement 0 Locked

    227 views
    1 reply
    Latest over 2 years ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74LVC2G32-Q1: Decaps requirement 0 Locked

    235 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC125A: OD Configuration 0 Locked

    276 views
    2 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Not Answered

    SN74ALVC164245: SN74ALVC164245 0 Locked

    228 views
    5 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0304: Requesting for Switching frequency of TXB0304RUTR 0 Locked

    210 views
    2 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0108: TXB0108 SDL and SCL issue 0 Locked

    243 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
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