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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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  • Answered

    SN74HC240: Part number 0 Locked

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

    SN74LVC244ARGYR Query 0 Locked

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

    SN74AUP3G34: SN74AUP3G34 0 Locked

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

    LSF0204: IC Power consumption 0 Locked

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

    SN74LVC1G123: Looking for a digital line programmable delay circuit 0 Locked

    1594 views
    4 replies
    Latest over 1 year ago
    by Andras Magyar
  • Answered

    SN74LVC125A: Does the device support test mode for aging test 0 Locked

    286 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Answered

    SN74LV125A: we use buffer in STO circuit and this buffer cannot be recognized as a fail-safe part. 0 Locked

    461 views
    2 replies
    Latest over 1 year ago
    by Long Wang
  • Suggested Answer

    SN74AHCT86: SN74AHCT86PWR - drop in alternative 0 Locked

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

    SN7438: What is the ESD rating of this device? 0 Locked

    264 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Answered

    SN74ACT00: Web page recommends SN74AHCT00 0 Locked

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

    TXS0108E: Is it suitable for SPI application. 0 Locked

    763 views
    3 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Not Answered

    I'm trying to identify some old TI chips... and cannot find links/references to them. 0 Locked

    190 views
    1 reply
    Latest over 1 year ago
    by LeonardEllis
  • Not Answered

    PTA Coexistence Interface between BLE and WiFi Chip 0 Locked

    343 views
    1 reply
    Latest over 1 year ago
    by Alex Fager
  • Suggested Answer

    SN74LS08: Trouble Pin SN74LS08N 0 Locked

    539 views
    8 replies
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74AVC4T774: SN74AVC4T774PW 0 Locked

    404 views
    5 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    SN74LVC2G14: several questions about SN74LVC2G14 0 Locked

    372 views
    5 replies
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    LSF0204: SPMI Compatiblity 0 Locked

    901 views
    8 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LVCZ244A: SN74LVCZ244APW 0 Locked

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

    SN74LVC2G74: SN74LVC2G74DCUTE4 0 Locked

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

    TXS0102: Can TXS0102 support VCCA=VCCB application? 0 Locked

    411 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
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