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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

    Output Impedance Value of Logic translators 0 Locked

    462 views
    4 replies
    Latest over 13 years ago
    by Chris Cockrill
  • Not Answered

    CD74HC14 at VCC=5V 0 Locked

    314 views
    1 reply
    Latest over 13 years ago
    by Edwin Krasser
  • Answered

    Using SN74LVC07A as a voltage translator 0 Locked

    428 views
    2 replies
    Latest over 13 years ago
    by Michael Marks
  • Not Answered

    TICPAL22V10Z-25C 0 Locked

    331 views
    1 reply
    Latest over 13 years ago
    by Wade Vonbergen
  • Answered

    Level Converter for 2.5V --> 3.3V Unidirectional 0 Locked

    942 views
    3 replies
    Latest over 13 years ago
    by Hattie
  • Answered

    SN74LVC1T45 Max Data Rates 0 Locked

    417 views
    1 reply
    Latest over 13 years ago
    by Hattie
  • Answered

    CD14538B 0 Locked

    1033 views
    3 replies
    Latest over 13 years ago
    by Chris Cockrill
  • Answered

    I2C2 acknowledgement and noise issue in camera interface with omap3530 0 Locked

    646 views
    5 replies
    Latest over 13 years ago
    by vijetha hn
  • Not Answered

    I2C interface through TXS0104E 0 Locked

    3000 views
    5 replies
    Latest over 13 years ago
    by Tsutomu Okada
  • Not Answered

    3 state Buffer, SN74LCV1G126 clock buffer 0 Locked

    1521 views
    3 replies
    Latest over 13 years ago
    by Edwin Krasser
  • Not Answered

    16R8 programmable gate array 0 Locked

    374 views
    2 replies
    Latest over 13 years ago
    by Wade Vonbergen
  • Not Answered

    Regarding to unused input pins of SN74AHC12 0 Locked

    237 views
    1 reply
    Latest over 13 years ago
    by Chris Cockrill
  • Answered

    CD4047&CD4066's ground pin connection 0 Locked

    1518 views
    4 replies
    Latest over 13 years ago
    by Iriv B.K.
  • Not Answered

    What are the differences between SN74LVC16245A and SN74LVTH16245A? 0 Locked

    342 views
    1 reply
    Latest over 13 years ago
    by Chris Cockrill
  • Not Answered

    75LVT1624 bus hold 0 Locked

    461 views
    1 reply
    Latest over 13 years ago
    by LeonardEllis
  • Not Answered

    SN74AHC595 power consumption 0 Locked

    223 views
    1 reply
    Latest over 13 years ago
    by Chris Cockrill
  • Answered

    74LVCH244A simulation model and bus hold question? 0 Locked

    382 views
    2 replies
    Latest over 13 years ago
    by Anthony Campos
  • Not Answered

    SN74AUC125 behavior when short duration pulse on OE 0 Locked

    575 views
    8 replies
    Latest over 13 years ago
    by Chris Cockrill
  • Answered

    SN74LVCH244A Input Current 0 Locked

    585 views
    6 replies
    Latest over 13 years ago
    by Anthony Campos
  • Not Answered

    massive TTL substitution on a logic board 0 Locked

    348 views
    1 reply
    Latest over 13 years ago
    by Edwin Krasser
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