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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 4 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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  • Answered

    SN74AVCH4T245: SN74AVCH4T245 Junction Temp 0 Locked

    710 views
    1 reply
    Latest over 8 years ago
    by aozer
  • Not Answered

    TXB0108: i planned use TXB0108 but can it support 100MHz 0 Locked

    349 views
    1 reply
    Latest over 8 years ago
    by aozer
  • Suggested Answer

    SN74LVC1G3157: Application with negative Voltage 0 Locked

    770 views
    2 replies
    Latest over 8 years ago
    by Sanaz Takaghaj
  • Not Answered

    Alternate part number for SNJ54LS244J and SN55121J 0 Locked

    674 views
    1 reply
    Latest over 8 years ago
    by Joe Stephan
  • Suggested Answer

    SN74LV4T125: Voltage Translator Suggestion 0 Locked

    946 views
    4 replies
    Latest over 8 years ago
    by aozer
  • Suggested Answer

    TXB0104 drive strength 0 Locked

    771 views
    3 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Not Answered

    Automotive voltage level translation from 12V to 3.3V 0 Locked

    16718 views
    6 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    SN74ACT244: risk when Vcc=0V, input/output with high logic 0 Locked

    3216 views
    6 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    SN74AUP1G79 power up state 0 Locked

    1507 views
    5 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC2T45: Inverting version of 74LVC2T45 level shifter 0 Locked

    1835 views
    4 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    Non-Inverting Buffer with different input/output voltage 0 Locked

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

    How to select an appropriate level translator? 0 Locked

    2124 views
    3 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC8T245: 74LVC8T245 1.8V input driven with 1.5V logic driver 0 Locked

    901 views
    3 replies
    Latest over 8 years ago
    by aozer
  • Not Answered

    Bidirectional translation for SPI at 66MHz w/30pF load 0 Locked

    758 views
    2 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    SN74AVC32T245: Meeting timings after voltage level translator for High speed data bus 0 Locked

    623 views
    3 replies
    Latest over 8 years ago
    by aozer
  • Suggested Answer

    SN74221: SN74221: Resolution of the pulse generated 0 Locked

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

    For the txs0102 there is a requirement for VCCA<=VCCB. What happens to the device if this condition is not met? 0 Locked

    738 views
    3 replies
    Latest over 8 years ago
    by JC
  • Answered

    SN74LVCC4245A: Maximum input frequency range 0 Locked

    776 views
    3 replies
    Latest over 8 years ago
    by Karthick M12
  • Suggested Answer

    SN74LVC1G123: SN74LVC1G123 minimum retrigger time calculation 0 Locked

    1176 views
    10 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    SN74GTL2014: TI GTL2014 design doubt 0 Locked

    1710 views
    5 replies
    Latest over 8 years ago
    by Emrys Maier
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