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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

    SN74LV86A: About over shoot 0 Locked

    400 views
    7 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Answered

    SN74LVCH245A: G4 versus E4 0 Locked

    538 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Answered

    TXS0104E-Q1: I2C Hub Function 0 Locked

    566 views
    8 replies
    Latest over 1 year ago
    by Evan Wang
  • Suggested Answer

    SN74LVC2T45: SN74LVC2T45YZPR 0 Locked

    461 views
    4 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    SN74LVCH244A: How to avoid external pull-down resistors 0 Locked

    407 views
    2 replies
    Latest over 1 year ago
    by franziskus
  • Answered

    UART Hub Solution 0 Locked

    491 views
    4 replies
    Latest over 1 year ago
    by Evan Wang
  • Suggested Answer

    SN74LVC1G32: Fail safe input pins 0 Locked

    414 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74AVC4T774: SN74AVC4T774 0 Locked

    415 views
    4 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74LVC244A-Q1: Junction-to-case thermal resistance (θJC) 0 Locked

    385 views
    2 replies
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74AHC1G00-Q1: AEC-100 Qualified 0 Locked

    360 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74LVC2T45: Is this part or part packages (DSBGA) light sensitive 0 Locked

    444 views
    5 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74LVC1G06: The threshold for the buffer 0 Locked

    472 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74AHC1G125: When to use SN74AHC125 instead of a RS-422 or RS-485 differential line transceiver? 0 Locked

    656 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LXC1T45: Output impedance 0 Locked

    542 views
    2 replies
    Latest over 1 year ago
    by Navneet Gandhi
  • Suggested Answer

    TGC1086 0 Locked

    268 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74HC244: What is different point between SN74HC244PWR and SN74HC244APWR? 0 Locked

    405 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AXC1T45: Level shifter for GPIO 0 Locked

    451 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN54LS138: SN54LS138 0 Locked

    331 views
    4 replies
    Latest over 1 year ago
    by krishnaprasad MB
  • Answered

    SN74LXC1T45: Multibit version of this part 0 Locked

    315 views
    2 replies
    Latest over 1 year ago
    by Navneet Gandhi
  • Answered

    SN74LVC2T45: Propagation delay difference from channel to channel 0 Locked

    397 views
    5 replies
    Latest over 1 year ago
    by franziskus
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