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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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  • Answered

    SN74LVC1G125: Why OUTPUT is pulled high when PinA reach to 756mV 0 Locked

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

    SN74LVC1G08-Q1: the state of input/output pin when VCC is under voltage 0 Locked

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

    SN54SLC8T245-SEP: Unused Pins - NC or Tie to GND with resistor? 0 Locked

    473 views
    4 replies
    Latest over 1 year ago
    by Moral Assraf
  • Not Answered

    SN74HCT273: SN74HCT273PWR Product performance consulting 0 Locked

    468 views
    12 replies
    Latest over 1 year ago
    by yingjiao LI
  • Answered

    SN74AUP1G17: Device drivability clarification 0 Locked

    333 views
    3 replies
    Latest over 1 year ago
    by Alder Lim
  • Suggested Answer

    CD74HCT154: Finding Replacements for Obsolete Part Numbers CD74HCT154EN and CD74HC154EN 0 Locked

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

    LSF0002: evaluation kit and IBIS model 0 Locked

    383 views
    2 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    TXB0304: USB2.0 Support 0 Locked

    369 views
    5 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    TXB0104: current-sourcing capability of the driver 0 Locked

    325 views
    2 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    LSF0108: voltage translation issue 0 Locked

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

    CD74HC14: CD74HC14M96 marking 0 Locked

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

    SN74ABT541B: IQ Current 0 Locked

    370 views
    8 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74HC00: SN74HC00DR The pin is yellow 0 Locked

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

    SN74AUC125: Do we have higher driving current buffer solution at 1.1V input voltage? 0 Locked

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

    SN74LVC1G04: Handling Inquiry 0 Locked

    451 views
    7 replies
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74HC540: No function with latest date codes. 0 Locked

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

    SN74AUC2G32: input pin status when VCC drops 0 Locked

    248 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74LV08A-Q1: About SN74LV08ATPWRG4Q1's Thermal Information 0 Locked

    212 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74AXC8T245EVM: SN74AXC8T245EVM 0 Locked

    487 views
    9 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74AUP1G08: Noise on SN74AUP1G08 input 0 Locked

    337 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
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