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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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  • Not Answered

    SN74LVC244A: Rise time and fall time specifications 0 Locked

    772 views
    1 reply
    Latest over 7 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0104: Can TXB0104 be connected to another TXB0104? 0 Locked

    823 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74LVC4245A: Product information related with Lifecycle 0 Locked

    435 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74LVTH240: Product information related with Lifecycle 0 Locked

    442 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    sn74lvth162245: Product information related with Lifecycle 0 Locked

    507 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74AS04: Product information related with Lifecycle 0 Locked

    847 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74LV540A: Product information related with Lifecycle 0 Locked

    493 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74LVC2G240: Product information related with Lifecycle 0 Locked

    574 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74HC164: what's the Opearting maximum Junction Temperature? 0 Locked

    432 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    Translator for UART 5v -> 3.3v needed 0 Locked

    1219 views
    4 replies
    Latest over 7 years ago
    by Max-ksb
  • Suggested Answer

    SN74AVCBH164245: SN74AVCBH164245 BUS HOLD Feature Question 0 Locked

    1957 views
    7 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    Level Shift Question 0 Locked

    600 views
    2 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    LSF0108: CpdA/CpdB question 0 Locked

    831 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1T45: 1.8V level transaltor 0 Locked

    761 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74AHCT00Q-Q1: Consideration of VOH value 0 Locked

    448 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74AHC1G02: SN74AHC1G02MDCKREP - Need Help finding spec values 0 Locked

    626 views
    2 replies
    Latest over 7 years ago
    by Gabriel Garza45
  • Suggested Answer

    SN74LVT244B: if we connect the pin 3,5,7,9 directly to GND, whether the chip will be damaged. If we hot swap the 3,5,7,9 pin, whether it's ok. 0 Locked

    641 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74GTL2014: undershoot voltage of SN74GTL2014 0 Locked

    411 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74LV1T125: output impedance 0 Locked

    814 views
    3 replies
    Latest over 7 years ago
    by Ryuji
  • Suggested Answer

    TXB0108: txb0108 power up 0 Locked

    1103 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
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