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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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  • Suggested Answer

    TXS0108E: Inquiry for same input voltage(VCCA, VCCB) 0 Locked

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

    TXB0304: Difference between TXB0304 and TXB0104 0 Locked

    437 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
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    SN74HCS74: Suggestion regarding how to lookup quickly if the selected D-type Flip-flop is equipped with "initial-Q reset" or "initial-Q clear" feature 0 Locked

    629 views
    2 replies
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    TXS0102: Output Enable 0 Locked

    363 views
    5 replies
    Latest over 1 year ago
    by Clemens Ladisch
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    SN74ABT244A: Unused Inputs 0 Locked

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    Latest over 1 year ago
    by KJ
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    TXS0108E: Can it be used as bi-directional? 0 Locked

    683 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
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    SN74LVC2G74-Q1: failure modes and FIT rate data for SN74LVC2G74-Q1 0 Locked

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    1 reply
    Latest over 1 year ago
    by Owen Westfall
  • Suggested Answer

    SN74LVC1G32-Q1: failure modes and FIT rate data for SN74LVC1G32-Q1 0 Locked

    297 views
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    by Owen Westfall
  • Answered

    TXS0102: Inquiry about A-port, B-port related parts including TXS0102 0 Locked

    321 views
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    by Clemens Ladisch
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    LSF0204: LSF0204 offset 0 Locked

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    SN74AXC8T245: 0.5V level shift 0 Locked

    549 views
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    Latest over 1 year ago
    by Jeff YANG
  • Suggested Answer

    SN74LVC2G14: SN74LVC2G14 VT+ & VT- RANGE in VCC 3V 0 Locked

    302 views
    4 replies
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  • Suggested Answer

    SN74HC595: SN74HC595 failed in CS test 0 Locked

    626 views
    9 replies
    Latest over 1 year ago
    by Clemens Ladisch
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    TXU0104-Q1: Level shift IC showing VCCA and VCCB power leakage 0 Locked

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

    CD74HCT14: CD74HCT14M Obsolete 0 Locked

    422 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
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    TXB0304: level shifter with only one shot 0 Locked

    349 views
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    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    SN74LVC1G07: DCK 0 Locked

    406 views
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    Latest over 1 year ago
    by Vivian Ojeda
  • Suggested Answer

    LSF0102: B-side voltage 0 Locked

    369 views
    10 replies
    Latest over 1 year ago
    by Clemens Ladisch
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    SN54AHC157: Inquiry related to military rating 0 Locked

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

    SN74LVC2G17: Difference in Propagation Delay Time between Channels 1 and 2 in the Same IC 0 Locked

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