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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

    TXS0102: Can I use this Level Shifter in CANbus? Does it work properly in CANbus speed? 0 Locked

    1669 views
    3 replies
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN74AVC2T244: VOH and VOL 0 Locked

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

    SN74HC125: VOH for 3.3VCC 0 Locked

    828 views
    8 replies
    Latest over 3 years ago
    by Emrys Maier
  • Answered

    TXU0104-Q1: B side supports TTL? 0 Locked

    505 views
    5 replies
    Latest over 3 years ago
    by Dylan Hubbard
  • Answered

    SN74LV1T125: Simulation of transition time 0 Locked

    295 views
    4 replies
    Latest over 3 years ago
    by Emrys Maier
  • Answered

    SN74LV74A: Open-drain output support 0 Locked

    290 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC4245A: Io Consult 0 Locked

    216 views
    1 reply
    Latest over 3 years ago
    by Albert Xu1
  • Not Answered

    SN74ALVC164245: SN74ALVC164245DGGR POWER UP 0 Locked

    237 views
    2 replies
    Latest over 3 years ago
    by FNU Mohammad Khaja Nadeemuddin
  • Suggested Answer

    SN74AVC16T245: Can SN74AVCH16T245 be used a replacement? 0 Locked

    259 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    CD4047B: Operating Temperature and Power Dissipation 0 Locked

    301 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN74AVC1T45: We observed a glitch on port A when VCCB is in start up 0 Locked

    376 views
    4 replies
    Latest over 3 years ago
    by Paulin Xi
  • Suggested Answer

    SN74AVC4T774: Unused pins are left floating 0 Locked

    349 views
    1 reply
    Latest over 3 years ago
    by Emrys Maier
  • Answered

    SN74LVC3G06: SN74LVC3G06 YZP Package Pin Definition 0 Locked

    248 views
    3 replies
    Latest over 3 years ago
    by Albert Xu1
  • Answered

    CD54HC14: Part History 0 Locked

    227 views
    2 replies
    Latest over 3 years ago
    by Matt Charlton
  • Answered

    LSF0102: IBIS Model with 4V VCC 0 Locked

    831 views
    1 reply
    Latest over 3 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1G125: alternative device 0 Locked

    409 views
    2 replies
    Latest over 3 years ago
    by Clemens Ladisch
  • Not Answered

    SN74HC14: The indicator light cannot go off completely 0 Locked

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

    SN74LVC1G14: Use SN74LVC1G14DCK as a positive to negative level shifter/translator 0 Locked

    1880 views
    3 replies
    Latest over 3 years ago
    by Emrys Maier
  • Suggested Answer

    TXS0104E: Design data for MTBF 0 Locked

    319 views
    1 reply
    Latest over 3 years ago
    by Dylan Hubbard
  • Answered

    SN74AXCH8T245: out of stock. So what the impact of replacing SN74AXCH8T245 with SN74LVH8T245 0 Locked

    304 views
    2 replies
    Latest over 3 years ago
    by Dylan Hubbard
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