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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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  • Answered

    TXB0104-Q1: TXB0104-Q1 in series, is it possible? 0 Locked

    375 views
    5 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    TXB0108: Power consumption when OE is pulled to GND 0 Locked

    251 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G08: G4 Clarification 0 Locked

    233 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74HCT14: What type of IC is the IC with the character "8AA724M G4 HCT14"?Is this model SN74HCT14DRG3? 0 Locked

    803 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Not Answered

    TXB0104: TXB0104 0 Locked

    337 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    Looking for a level shifter that supports 1.8V<-->1.8V and 1.8V<--->3.3V 0 Locked

    1167 views
    7 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Not Answered

    SN74HC365: ESD information not in datasheet 0 Locked

    193 views
    2 replies
    Latest over 5 years ago
    by Cedrick
  • Suggested Answer

    LSF0108: Application on quad SPI 0 Locked

    371 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74AXC4T774: What is the main difference between SN74AXC4T774 and SN74AXC4T245? 0 Locked

    655 views
    2 replies
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    SN74HCT244: higher temperature range version 0 Locked

    669 views
    5 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC1G123: pulse width variation over temperature (-40℃ - + 125℃) 0 Locked

    438 views
    12 replies
    Latest over 5 years ago
    by Emrys Maier
  • Answered

    SN74LVC244A: Chattering at undetermined input region 0 Locked

    399 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    2N7001T: Land pads larger than solder mask. 0 Locked

    468 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G07: Violation of Input transition rise or fall rate recommendation 0 Locked

    447 views
    3 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    SN74HC590A: Low Pulse Volgage Level on RC0 0 Locked

    540 views
    10 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    sim7000 level shifter txb0104v vs txb0108 0 Locked

    1105 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    CD4040B: SPICE Model 0 Locked

    1218 views
    2 replies
    Latest over 5 years ago
    by Robert Knutson
  • Answered

    2N7001T: How fast can this run? Can it really drive 50mA? 0 Locked

    416 views
    2 replies
    Latest over 5 years ago
    by Ron Breding
  • Suggested Answer

    SN74ALVC164245-EP: IBIS Model 0 Locked

    416 views
    1 reply
    Latest over 5 years ago
    by Chad Crosby
  • Not Answered

    TXS0102-Q1: Spike and noise issue 0 Locked

    256 views
    1 reply
    Latest over 5 years ago
    by Chad Crosby
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