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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 3 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)…
    • 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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  • Not Answered

    TXB0104: TXB0104 0 Locked

    365 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    Looking for a level shifter that supports 1.8V<-->1.8V and 1.8V<--->3.3V 0 Locked

    1304 views
    7 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Not Answered

    SN74HC365: ESD information not in datasheet 0 Locked

    206 views
    2 replies
    Latest over 5 years ago
    by Cedrick
  • Suggested Answer

    LSF0108: Application on quad SPI 0 Locked

    381 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74AXC4T774: What is the main difference between SN74AXC4T774 and SN74AXC4T245? 0 Locked

    707 views
    2 replies
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    SN74HCT244: higher temperature range version 0 Locked

    721 views
    5 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC1G123: pulse width variation over temperature (-40℃ - + 125℃) 0 Locked

    505 views
    12 replies
    Latest over 5 years ago
    by Emrys Maier
  • Answered

    SN74LVC244A: Chattering at undetermined input region 0 Locked

    441 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    2N7001T: Land pads larger than solder mask. 0 Locked

    497 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G07: Violation of Input transition rise or fall rate recommendation 0 Locked

    479 views
    3 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    SN74HC590A: Low Pulse Volgage Level on RC0 0 Locked

    606 views
    10 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    sim7000 level shifter txb0104v vs txb0108 0 Locked

    1167 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    CD4040B: SPICE Model 0 Locked

    1319 views
    2 replies
    Latest over 5 years ago
    by Robert Knutson
  • Answered

    2N7001T: How fast can this run? Can it really drive 50mA? 0 Locked

    451 views
    2 replies
    Latest over 5 years ago
    by Ron Breding
  • Suggested Answer

    SN74ALVC164245-EP: IBIS Model 0 Locked

    446 views
    1 reply
    Latest over 5 years ago
    by Chad Crosby
  • Not Answered

    TXS0102-Q1: Spike and noise issue 0 Locked

    267 views
    1 reply
    Latest over 5 years ago
    by Chad Crosby
  • Suggested Answer

    TXB0106: What behavior of Pin B1- B6 when no Vcc_B power 0 Locked

    221 views
    1 reply
    Latest over 5 years ago
    by Chad Crosby
  • Answered

    SN74HC574: SN74HC574 3.3V power supply consult 0 Locked

    492 views
    2 replies
    Latest over 5 years ago
    by Lin_Charles
  • Answered

    SN74HCT139: SN74HCT139DR data code confirm 0 Locked

    428 views
    3 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74AVCH2T45: Default output when input is floating after power-up 0 Locked

    625 views
    6 replies
    Latest over 5 years ago
    by Dylan Hubbard
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