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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

    SN74AC86: Recommended operating conditions for correct values 0 Locked

    73 views
    1 reply
    Latest 1 month ago
    by Nikki Dengel
  • Not Answered

    LSF0108-Q1: Max operation frequency of LSF0108QWRKSRQ1 0 Locked

    50 views
    2 replies
    Latest 1 month ago
    by Jack Guan
  • Not Answered

    SN74AUP1G97: pressure specification 0 Locked

    61 views
    1 reply
    Latest 1 month ago
    by Owen Westfall
  • Suggested Answer

    SN74LVC2GU04-Q1: dimensional tolerances 0 Locked

    46 views
    1 reply
    Latest 1 month ago
    by Clemens Ladisch
  • Answered

    SN74AVC4T245-Q1: Chip peripheral circuit design 0 Locked

    146 views
    4 replies
    Latest 1 month ago
    by Jade Lan
  • Suggested Answer

    TLV803E: TLV803EA26DPWR 0 Locked

    69 views
    1 reply
    Latest 1 month ago
    by Henry Naguski
  • Answered

    SN74ACT244: internal input and output diode connection 0 Locked

    86 views
    3 replies
    Latest 1 month ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AHCT244-Q1: SN74AHCT244QPWRQ1 Finish Plating Thickness 0 Locked

    59 views
    1 reply
    Latest 1 month ago
    by Clemens Ladisch
  • Suggested Answer

    CD40106B: CD40106B 0 Locked

    103 views
    3 replies
    Latest 1 month ago
    by Albert Xu1
  • Suggested Answer

    CAHCT573-Q1: FIT (Failure in Time) rate and Failure Mode Distribution Percentage for CAHCT1G126DBVRQ1 0 Locked

    135 views
    4 replies
    Latest 1 month ago
    by Albert Xu1
  • Suggested Answer

    SN74LVC1G17: push-pull output and Similar function with SN74LVC1G17DBVR request 0 Locked

    92 views
    1 reply
    Latest 1 month ago
    by Malcolm Lyn
  • Suggested Answer

    SN74HC244: Grade of SN74HC244PWR 0 Locked

    53 views
    1 reply
    Latest 1 month ago
    by Malcolm Lyn
  • Suggested Answer

    SN74AUP1G74: More details requested regarding Ioff protection and interplay with ESD diodes during Vcc Ramp up and down 0 Locked

    132 views
    5 replies
    Latest 1 month ago
    by Nikki Dengel
  • Answered

    SN74HC00: Input voltage 0 Locked

    198 views
    6 replies
    Latest 1 month ago
    by Nikki Dengel
  • Answered

    CD4050B: Query on Using CD4050B for Selectable Logic Level Shifting (5V / 3.3V) 0 Locked

    224 views
    6 replies
    Latest 1 month ago
    by GAURAV UPADHYAY
  • Answered

    TXS0104E: Need to know the reflow soldering profile 0 Locked

    68 views
    1 reply
    Latest 1 month ago
    by Jack Guan
  • Suggested Answer

    SN74ALVC164245: FFF Alternate requirement for 74FCT164245TPVG (Renesas) 0 Locked

    56 views
    1 reply
    Latest 1 month ago
    by Joshua Salinas
  • Suggested Answer

    TXB0104: TXB0104 used as voltage translator for UART 0 Locked

    130 views
    3 replies
    Latest 1 month ago
    by Jack Guan
  • Answered

    SN74LVC1G97-Q1: Input voltage above VCC allowed? 0 Locked

    118 views
    4 replies
    Latest 1 month ago
    by Stephen Savulak
  • Suggested Answer

    SN74LV6T17-Q1: SPI Voltage level shift 0 Locked

    87 views
    3 replies
    Latest 1 month ago
    by Joshua Salinas
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