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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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View FAQ threads
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  • Answered

    SN74LV1T125: Thermal Information on DBV Package 0 Locked

    254 views
    2 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    TXU0304: "TXU0304" spice model 0 Locked

    329 views
    1 reply
    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    SN74LVC244A: SN74LVC244ARWPR Thermal Pad connection 0 Locked

    337 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LVC2G17: Inquiry regarding device marking of SN74LVC2G17DCKR 0 Locked

    687 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74LVC574A: Output clamp current 0 Locked

    366 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Answered

    SN74AVC2T245: Input frequency of the OE terminal 0 Locked

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

    TXB0304: Disable condition 0 Locked

    279 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Answered

    SN74HCS32-Q1: Spice model 0 Locked

    437 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Answered

    SN74LV1T32: OR Gate or AND Gate 0 Locked

    448 views
    3 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74HCS21-Q1: Pull up & RC filter at input line of AND gate 0 Locked

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

    TXB0302: Can open drain signals be connected to this 0 Locked

    494 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Not Answered

    SN74LVC1G08-Q1: Spice model 0 Locked

    334 views
    0 replies
    Started over 1 year ago
    by Michael Daimer
  • Not Answered

    SN74HCS32-Q1: Spice model 0 Locked

    281 views
    0 replies
    Started over 1 year ago
    by Michael Daimer
  • Not Answered

    SN74LVC1G04-Q1: Spice model 0 Locked

    452 views
    0 replies
    Started over 1 year ago
    by Michael Daimer
  • Not Answered

    SN74LVC08A-Q1: Spice model 0 Locked

    288 views
    0 replies
    Started over 1 year ago
    by Michael Daimer
  • Suggested Answer

    LSF0204-Q1: can we use as buffer 0 Locked

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

    SN54LVTH162244-SP: space part vs military rated version 0 Locked

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

    SN74LV373A: PCN#20221216004.1 (Datasheet update) 0 Locked

    328 views
    3 replies
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    TXB0108: Top-view package diagram and corresponding physical diagram request 0 Locked

    355 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Answered

    Level translator for RGMII Interface 0 Locked

    5576 views
    12 replies
    Latest over 1 year ago
    by Michael Ikwuyum
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