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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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View FAQ threads
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  • Answered

    SN54LVTH16244A: Internal ESD Protection 0 Locked

    373 views
    2 replies
    Latest over 5 years ago
    by Emrys Maier
  • Not Answered

    TXB0108: outpuy PortB sometimes can't be pull down. 0 Locked

    285 views
    2 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    SN74LVCH8T245: Delay time calculation 0 Locked

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

    SN74LVC1G126: Problem: The simulation results of thi-state gate are not correct, the result about high resistance state are same with an AND gate. 0 Locked

    2277 views
    8 replies
    Latest over 5 years ago
    by Nu Pu
  • Answered

    TXB0102: Design Review for TXB0102 and TXS0102 0 Locked

    1570 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AVC4T774: Use case question 0 Locked

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

    SN74LVC3G07-Q1: PCB designed with Input and Output flipped. Requesting help finding an option to replace on current PCB. 0 Locked

    350 views
    2 replies
    Latest over 5 years ago
    by Anvit Garg
  • Answered

    SN74LVC1G17: buffer device with 1. live insertion 2.delay time <0.5ns 3.differential input & output(optional) 0 Locked

    317 views
    1 reply
    Latest over 5 years ago
    by Albert Xu1
  • Suggested Answer

    SN74HC595: Operation when OE pin is OPEN 0 Locked

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

    SN74LVC07A: Device Recommendation 0 Locked

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

    TXS0108E: Please provide the alternate part no 0 Locked

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

    SN74LVC2G07: input signal of the device SN74LVC2G07 has risks? 0 Locked

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

    SN74LVC3G17: Input impedance 0 Locked

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

    Is CLR input normal CMOS input 0 Locked

    381 views
    7 replies
    Latest over 5 years ago
    by Chad Crosby
  • Suggested Answer

    SN74HC164: do we have 24-bit shift solution? 0 Locked

    516 views
    3 replies
    Latest over 5 years ago
    by Albert Xu1
  • Suggested Answer

    CD74HCT365: Replacement of CD74HCT366 0 Locked

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

    SN74LVC2G32-Q1: request for pin FMEA 0 Locked

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

    SN74LV4046A: SN74LV4046A 0 Locked

    815 views
    8 replies
    Latest over 5 years ago
    by Taku Kato
  • Answered

    Is there any IC integrated with Driver and receiver in one package? 0 Locked

    382 views
    6 replies
    Latest over 5 years ago
    by Miguel Robertson
  • Suggested Answer

    SN74LVC2244A: SN74LVC2244A fanout capability 0 Locked

    355 views
    2 replies
    Latest over 5 years ago
    by Clemens Ladisch
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