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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

    SN74AUP1G17: Device drivability clarification 0 Locked

    329 views
    3 replies
    Latest over 1 year ago
    by Alder Lim
  • Suggested Answer

    CD74HCT154: Finding Replacements for Obsolete Part Numbers CD74HCT154EN and CD74HC154EN 0 Locked

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

    LSF0002: evaluation kit and IBIS model 0 Locked

    374 views
    2 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    TXB0304: USB2.0 Support 0 Locked

    360 views
    5 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    TXB0104: current-sourcing capability of the driver 0 Locked

    320 views
    2 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    LSF0108: voltage translation issue 0 Locked

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

    CD74HC14: CD74HC14M96 marking 0 Locked

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

    SN74ABT541B: IQ Current 0 Locked

    367 views
    8 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74HC00: SN74HC00DR The pin is yellow 0 Locked

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

    SN74AUC125: Do we have higher driving current buffer solution at 1.1V input voltage? 0 Locked

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

    SN74LVC1G04: Handling Inquiry 0 Locked

    441 views
    7 replies
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74HC540: No function with latest date codes. 0 Locked

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

    SN74AUC2G32: input pin status when VCC drops 0 Locked

    240 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74LV08A-Q1: About SN74LV08ATPWRG4Q1's Thermal Information 0 Locked

    208 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74AXC8T245EVM: SN74AXC8T245EVM 0 Locked

    468 views
    9 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74AUP1G08: Noise on SN74AUP1G08 input 0 Locked

    331 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LVC4245A: Can we use this device in a design, where PIN23 is not connected? 0 Locked

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

    SN74AHC1G09-Q1: SN74AHC1G09QDBVRQ1 0 Locked

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

    SN74ALVCH244: voltgage level translator 0 Locked

    324 views
    2 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74LVC1G14-Q1: Requesting failure rate 0 Locked

    338 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
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