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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

    SN74AXC8T245: Need similar part with better delay specification 0 Locked

    376 views
    1 reply
    Latest over 5 years ago
    by Karan Kotadia
  • Suggested Answer

    TXS0104E: VCCA> VCCB, what will happen? 0 Locked

    330 views
    2 replies
    Latest over 5 years ago
    by ShreyasRao
  • Suggested Answer

    SN74LVC8T245: VCCA or VCCB turn off 0 Locked

    287 views
    1 reply
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    SN74LVC1GU04: Input resistor and output resistor value 0 Locked

    699 views
    1 reply
    Latest over 5 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVT8996: TRST Input 0 Locked

    409 views
    1 reply
    Latest over 5 years ago
    by Emrys Maier
  • Not Answered

    [FAQ] With Open-Drain outputs, can I ...use them to shift a logic voltage level? ...connect the outputs directly together? ...force a voltage node to zero? 0 Locked

    6366 views
    0 replies
    Started over 5 years ago
    by Emrys Maier
  • Answered

    SN74LVC2G14: VOH & VOL when VCC = 3.3V 0 Locked

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

    Logic devices: output short-circuit protection design? 0 Locked

    2202 views
    3 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    SN74AVC4T245: Maximum Junction Temp 0 Locked

    548 views
    4 replies
    Latest over 5 years ago
    by Art Mecina
  • Suggested Answer

    TXS0104E: I/O ports status when VccA is at GND? 0 Locked

    268 views
    3 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74AVC1T45: Phase noise 0 Locked

    410 views
    1 reply
    Latest over 5 years ago
    by ShreyasRao
  • Suggested Answer

    SN74LV4T125: Thermal Information 0 Locked

    391 views
    4 replies
    Latest over 5 years ago
    by ShreyasRao
  • Suggested Answer

    SN74AVC16T245: maximum data rate specified in data 0 Locked

    402 views
    3 replies
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    SN74AVCH8T245: VQFN / RHL0024A 0 Locked

    659 views
    3 replies
    Latest over 5 years ago
    by ShreyasRao
  • Suggested Answer

    SN74HC02-Q1: input and output drive configuration(CMOS/ Pushpull CMOS) and drain to source ON resistance of CMOS configuration 0 Locked

    574 views
    2 replies
    Latest over 5 years ago
    by ShreyasRao
  • Suggested Answer

    5962-8771001 vs 59628771002 0 Locked

    524 views
    3 replies
    Latest over 5 years ago
    by Kirby Kruckmeyer96848
  • Answered

    SN74HC04: Connection Question 0 Locked

    1676 views
    1 reply
    Latest over 5 years ago
    by Karan Kotadia
  • Answered

    SN74LVC3G07: SN74LVC3G07DCUT 0 Locked

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

    LSF0204-Q1: layout guideline 0 Locked

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

    SN74AUP1T32: internal resistance 0 Locked

    460 views
    3 replies
    Latest over 5 years ago
    by Clemens Ladisch
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