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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

    LSF0108: Tr/Ts 0 Locked

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

    SN74LVCC3245A: Interfacing with 5V TTL signals with dynamic bidirectional communication from a 3.3V microcontroller 0 Locked

    1610 views
    3 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    ECCN numbers 0 Locked

    527 views
    1 reply
    Latest over 5 years ago
    by Jeffery Pfarr
  • Answered

    SN55462: What is the lead finish for this part (SNJ55462JG) ? 0 Locked

    405 views
    4 replies
    Latest over 5 years ago
    by William Mackin
  • Answered

    SN5406: SNJ5406FK pins 13 and 19 0 Locked

    342 views
    2 replies
    Latest over 5 years ago
    by Franz Figueroa32
  • Suggested Answer

    LSF0102: Suitable Device 0 Locked

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

    TXS0108E: TXS0108EPWR voltage translator 0 Locked

    3310 views
    22 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    TXS0108E: the resistance between B7 (pin13) and GND is 11.1129Ω, which is close to short circuit 0 Locked

    718 views
    10 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    TXB0104: TXB0104RUTR_issue 0 Locked

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

    SN74HC165: Can you help check the internal block of SN74HC165 0 Locked

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

    SN74LV221A: SN74LV221A Shorter pulse than expected on output 0 Locked

    2513 views
    9 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC14A: SN74LVC14APWE4 Output tr and tf 0 Locked

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

    TXS0104E: we meet TXS0104 has a glitch issue on output pin when power on status. 0 Locked

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

    SN74AXC4T774: AEC qualified 0 Locked

    274 views
    3 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    LSF0108: VIK, IIH, Icc 0 Locked

    596 views
    3 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AUC16244: Thermal resistance information needed 0 Locked

    405 views
    4 replies
    Latest over 5 years ago
    by Karan Kotadia
  • Answered

    SN54HC02-SP: Single Event Latch-up Value 0 Locked

    395 views
    1 reply
    Latest over 5 years ago
    by Wade Vonbergen
  • Suggested Answer

    SN74LVC1G126: Reliability for SN74LVC1G126 in case of inputting high frequency clock 0 Locked

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

    SN74LVC00A: 1.8V threshold NAND recommendation 0 Locked

    646 views
    3 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN54ACT04-SP: Thermal resistance -Theta JA -5962-8973401VDA 0 Locked

    444 views
    4 replies
    Latest over 5 years ago
    by Wade Vonbergen
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