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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] 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
  • [FAQ] What is a floating input or floating node?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ The short answer is - a floating node is a voltage node that is not being forced to a known voltage, thus it has an unknown voltage. Some additional details follow: In circuit…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] [H] Voltage Translators - Top Questions Answered

    Michael J Schultis
    Michael J Schultis
    Quickly find solutions to common questions about voltage translation (level shifter) devices by clicking this link. This FAQ answers the most common questions asked about these devices …… ……… … Auto-Bidirectional Level-Shifters Fixed DIR / DIR…
    • Answered
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] Can you pull-up an open-drain output to a higher voltage than the device's supply (VCC) voltage?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ This question is really about the output structure of the logic device. There are primarily two types of open-drain output structures - one with a positive clamping diode, and one…
    • Answered
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] [H] Quality and Manufacturing

    Albert Xu1
    Albert Xu1
    Use Cases & Part Recommendations Monostable Multivibrators Voltage Translators Input Parameters Output Parameters Power and Thermals Timing Parameters Logic Technology Quality and Manufacturing Simulation Models …
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] [H] Simulation Models

    Albert Xu1
    Albert Xu1
    Use Cases & Part Recommendations Monostable Multivibrators Voltage Translators Input Parameters Output Parameters Power and Thermals Timing Parameters Logic Technology Quality and Manufacturing Simulation Models …
    • over 5 years ago
    • Logic
    • Logic forum
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  • Answered

    SN74AVCH4T245: This is used in LDC1101 eval board for level shifter. I would like to have something that can be used up to 5V and has at least 3+1 (transmit/receive) channel 4+1 is better or more. 0 Locked

    450 views
    2 replies
    Latest over 2 years ago
    by Istvan Gyori
  • Suggested Answer

    TXS0108E: The external pull-up resistor is required to connect open drain output device? 0 Locked

    454 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G125: output 3.3V with 1.8V power rail 0 Locked

    382 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74AHC1G09: SN74AHC1G09 Output is not stable 0 Locked

    637 views
    13 replies
    Latest over 2 years ago
    by Emrys Maier
  • Answered

    SN74LVC1G11: Cascading AND Gates - Powering AND Gates with the output of another AND gate 0 Locked

    3331 views
    8 replies
    Latest over 2 years ago
    by Michael van der Bend
  • Suggested Answer

    SN54AC00-SP: About the SEL radiation test. 0 Locked

    332 views
    1 reply
    Latest over 2 years ago
    by Albert Xu1
  • Suggested Answer

    SN74AXC4T774: replacing the 74AVC4T774 with SN74AXC4T774 0 Locked

    509 views
    2 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74AUP1T97: What type of input and output does this device support? 0 Locked

    375 views
    2 replies
    Latest over 2 years ago
    by Zach Kimble
  • Answered

    CD4521B: Wrong RC Oscillator Circuit in Datasheet 0 Locked

    735 views
    1 reply
    Latest over 2 years ago
    by Albert Xu1
  • Answered

    SN74HCS125-Q1: The relationship curve between VT+ and VCC 0 Locked

    395 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    TXS0102: push/pull and open drain 0 Locked

    566 views
    4 replies
    Latest over 2 years ago
    by Fred Cheng
  • Answered

    SN74LV1T125: Does the LV1T family has Ioff feature? 0 Locked

    510 views
    5 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    ESD Ratings (P/N: SN75ALS181NSR) 0 Locked

    301 views
    2 replies
    Latest over 2 years ago
    by Parker Dodson
  • Suggested Answer

    SN74LVC2G74-EP: SN74LVC2G74MDCUTEP 0 Locked

    371 views
    2 replies
    Latest over 2 years ago
    by Albert Xu1
  • Answered

    LSF0204: Can LSF0204 use RGMII interface? 0 Locked

    603 views
    2 replies
    Latest over 2 years ago
    by Swathi D
  • Suggested Answer

    SN74LXCH8T245: Output Skew 0 Locked

    302 views
    1 reply
    Latest over 2 years ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74AC04: How many volts should I put in the power supply before it fails? 0 Locked

    292 views
    2 replies
    Latest over 2 years ago
    by taguchi
  • Suggested Answer

    Inverter with OE input 0 Locked

    463 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    Query regarding rise/fall time calculation 0 Locked

    426 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74ALVTH16245: Is it an electrostatic sensitive device? 0 Locked

    269 views
    4 replies
    Latest over 2 years ago
    by Rhea Gao
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