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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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  • Not Answered

    SN74ALVCH16373: Seeking characterization data for this part 0 Locked

    728 views
    2 replies
    Latest over 8 years ago
    by ShreyasRao
  • Answered

    TXB0108: 3.3V TTL to 5V CMOS bidirectional level shifter 0 Locked

    2485 views
    4 replies
    Latest over 8 years ago
    by Francesco Bausi
  • Answered

    TXB0101: TXB0101 / Connection of unused bus 0 Locked

    677 views
    2 replies
    Latest over 8 years ago
    by S.Satoshi
  • Answered

    SN74LVC1T45: Max Data Rates 0 Locked

    852 views
    3 replies
    Latest over 8 years ago
    by Michael Koelbl
  • Suggested Answer

    SN74LVC1G125: VOL and VOH when VCC is 1.8V 0 Locked

    1040 views
    3 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    TXB0108: Reading TTL levels from voltage divider 0 Locked

    2877 views
    5 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    TXS0104E: Rising & Falling timing 0 Locked

    1696 views
    3 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    LSF0204: rising edge became slow on VREF B side 0 Locked

    966 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Not Answered

    SN74LS624: Voltage and Frequency Control 0 Locked

    1266 views
    4 replies
    Latest over 8 years ago
    by Michael J Schultis
  • Suggested Answer

    TXS0108E: TXS0108E VDDA and VDDB voltage 0 Locked

    2161 views
    4 replies
    Latest over 8 years ago
    by ShreyasRao
  • Answered

    SN74LVC1G66: Understanding limits of I/O and Vin Voltage 0 Locked

    1205 views
    3 replies
    Latest over 8 years ago
    by Louie
  • Suggested Answer

    TXB0102: TXB0102: is OE needed to connected to ground during powering up 0 Locked

    1302 views
    5 replies
    Latest over 8 years ago
    by Yarn Guo
  • Suggested Answer

    SN74AVC2T245: Generated footprint and 3D Model issue 0 Locked

    1071 views
    3 replies
    Latest over 8 years ago
    by Oliver Landine - WEBENCH® Design Center
  • Suggested Answer

    TXS4555: Pull Up/Pull Down Resistors 0 Locked

    1101 views
    3 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    When SN74LVC1G07 power off, the output have ground bound 0 Locked

    1913 views
    3 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G11: A few issues / questions 0 Locked

    1811 views
    7 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AVC4T774: Lowering VCCA voltage 0 Locked

    1094 views
    2 replies
    Latest over 8 years ago
    by Den L
  • Answered

    Availability of comprehensive list of TI Automotive part not only for Logic parts 0 Locked

    784 views
    4 replies
    Latest over 8 years ago
    by LeonardEllis
  • Answered

    SN7496 no longer available, and no exact replacement is listed - ideas? 0 Locked

    1230 views
    4 replies
    Latest over 8 years ago
    by LeonardEllis
  • Suggested Answer

    SN74AVC1T45: EMI issue 0 Locked

    412 views
    1 reply
    Latest over 8 years ago
    by ShreyasRao
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