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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

    SN54LVTH162244: Regd operating frequency calculation 0 Locked

    327 views
    2 replies
    Latest over 5 years ago
    by Akash Gupta1
  • Answered

    SN74LVTH2245: output to output skew 0 Locked

    537 views
    3 replies
    Latest over 5 years ago
    by David D
  • Suggested Answer

    SN74LVC1G14: whether Schmitt-Trigger as SN74LVC1G14DBVR has the input slew rate limit 0 Locked

    368 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    TXB0108: Oscillation at output 0 Locked

    4231 views
    10 replies
    Latest over 5 years ago
    by Jophins Cyriac
  • Answered

    [FAQ] [H] Voltage Translators - Top Questions Answered 0 Locked

    11642 views
    1 reply
    Latest over 5 years ago
    by Michael J Schultis
  • Suggested Answer

    TXS0108E: Output abnormal 0 Locked

    469 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    SN74HC32: Do I need current limiting resistor on input? 0 Locked

    1220 views
    4 replies
    Latest over 5 years ago
    by Bojan Jovanovic
  • Suggested Answer

    LSF0108: Vrefb> Vrefa+0.8v? What's the reason? 0 Locked

    705 views
    7 replies
    Latest over 5 years ago
    by Emrys Maier
  • Answered

    SN74LVCH162244A: SN74LVCH162244A coupling noise is large than VILmax, whether it has risks to be high 0 Locked

    329 views
    1 reply
    Latest over 5 years ago
    by Emrys Maier
  • Answered

    TXS0108E: Which Auto-Bidirectional IC to choose for UART and I2C? 0 Locked

    510 views
    1 reply
    Latest over 5 years ago
    by Emrys Maier
  • Answered

    SN54LVTH244A: Long distance transmission 0 Locked

    401 views
    2 replies
    Latest over 5 years ago
    by Danilo A.
  • Suggested Answer

    SN74LVC3GU04: Propagation delay 0 Locked

    299 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    CD74HC4538: P2P compatible of TC4538BF? 0 Locked

    445 views
    3 replies
    Latest over 5 years ago
    by Emrys Maier
  • Suggested Answer

    TXS0104E: TXS0104 0 Locked

    897 views
    2 replies
    Latest over 5 years ago
    by Dennis Lehman
  • Answered

    20s monostable multivibrator circuit 0 Locked

    874 views
    3 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G17: Propagation delay time of SN74LVC1G17 0 Locked

    442 views
    6 replies
    Latest over 5 years ago
    by K.Sakai
  • Suggested Answer

    SN74LVC2G07: difference between with E4 and without E4 0 Locked

    429 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G07: SN74LVC1G07 Design Issue 0 Locked

    748 views
    7 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    TXS0102: TXS0102 as a Buffer 0 Locked

    355 views
    2 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74HC4020: Unused Outputs 0 Locked

    352 views
    2 replies
    Latest over 5 years ago
    by Emrys Maier
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