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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 do some SOT package parts from TI have a pin that is not in the mechanical drawing?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ In short, this is not an extra pin and it is nothing to be concerned about. It is part of the support used in the manufacturing process. - SOT (Single Outline Transistor…
    • over 2 years ago
    • Logic
    • Logic forum
  • [FAQ] SN74HCS00: The Logic Industry's Smallest Leaded Package; DYY

    Brandt Burgdorf
    Brandt Burgdorf
    Part Number: SN74HCS00 The Logic Industry’s Smallest Leaded Package; SOT-23-THIN (DYY) Many companies still rely solely on optical verification methods to ensure their components have been successfully soldered and are unwilling or not yet able to…
    • over 2 years ago
    • Logic
    • Logic forum
  • [FAQ] What's the difference between a buffered and unbuffered CMOS device?

    Albert Xu1
    Albert Xu1
    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ Definition: A buffered CMOS device has output characteristics that only relies on the logical output of the gate. In a NOR gate, different input values can result in the same output…
    • over 2 years ago
    • Logic
    • Logic forum
  • [FAQ] SN74HCS595-Q1: How do Wettable Flank WQFN packages (WBQB) help LOGIC automotive customers?

    Michael Marinello
    Michael Marinello
    Part Number: SN74HCS595-Q1 Other Parts Discussed in Thread: SN74HCS138-Q1 , SN74HCS151-Q1 , SN74HCS153-Q1 , SN74HCS157-Q1 , SN74HCS165-Q1 , SN74HCS259-Q1 , SN74HCS365-Q1 , SN74HCS367-Q1 , SN74HCS594-Q1 , Efficient Automated Optical Inspection (AOI) with…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] How will a logic device respond to a short or open circuit?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ This is provided as information only, and is not a guarantee of device performance under the conditions described. This is not a Pin FMEA document, as Standard Logic devices…
    • over 3 years ago
    • Logic
    • Logic forum
  • [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
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  • Not Answered

    LSF0102: no output 0 Locked

    623 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    SN74HC139: IBIS model 0 Locked

    1080 views
    5 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    SN74AVC4T774: Footprint question 0 Locked

    824 views
    1 reply
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0108: Level shift for I2S 0 Locked

    1536 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    SN74GTL1655: SN74GTL1655 test waveform 0 Locked

    903 views
    4 replies
    Latest over 8 years ago
    by ShreyasRao
  • Not Answered

    LSF0108: on SPI signal 0 Locked

    1559 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    TXB0304: 1.8/3.3 MDC/MDIO does not work TXB0304 0 Locked

    654 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    digital switch SN74LVC1G18 0 Locked

    829 views
    2 replies
    Latest over 8 years ago
    by Kelly Wang
  • Suggested Answer

    SN74AUC1G17: 20 Mhz Schmitt trigger 0 Locked

    1294 views
    3 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    CD4046B: frequency synthesizer using CD4046B 0 Locked

    4949 views
    7 replies
    Latest over 8 years ago
    by Emrys Maier
  • Not Answered

    SN74LVC1G86: Unencrypted PSpice for SN74LVC1G86 0 Locked

    712 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    SN74AVCH2T45: SN74avch2t45 0 Locked

    1008 views
    5 replies
    Latest over 8 years ago
    by ShreyasRao
  • Answered

    LSF0108: LSF0108 IBIS Model Questions 0 Locked

    1143 views
    2 replies
    Latest over 8 years ago
    by Richard Elmquist
  • Answered

    SN74LS294: Looking for an alternative with Lower Minimum VCC 0 Locked

    557 views
    1 reply
    Latest over 8 years ago
    by Michael J Schultis
  • Suggested Answer

    SN74LVC2244A: sn74lvc2240 short circuit current rating 0 Locked

    1070 views
    4 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    TXS0102-Q1: The maximum propagation delay 0 Locked

    892 views
    3 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    TXS0108E: tolerance of VCCA and VCCB 0 Locked

    1094 views
    3 replies
    Latest over 8 years ago
    by domenyko
  • Suggested Answer

    SN74HC595: application of SN74HC595 for common anode digit LED 0 Locked

    878 views
    3 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    TXS0108E: TXS0108E 0 Locked

    1470 views
    5 replies
    Latest over 8 years ago
    by ShreyasRao
  • Answered

    24-bit Bidirectional Buffer 0 Locked

    1733 views
    7 replies
    Latest over 8 years ago
    by Emrys Maier
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