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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

    SN74AUP3G14: Input transition rise or fall rate 0 Locked

    1623 views
    4 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    SN74AUP1G06: Output Leakage Current, SN74AUP1G06 0 Locked

    1272 views
    5 replies
    Latest over 8 years ago
    by Sornam Viswanathan V
  • Answered

    SN74ALVC164245: Placement of decoupling capacitors 0 Locked

    650 views
    1 reply
    Latest over 8 years ago
    by Clemens Ladisch
  • Answered

    LSF0108: tps386000 and lsf0108 pull up resistor issue 0 Locked

    1451 views
    4 replies
    Latest over 8 years ago
    by user1359349
  • Suggested Answer

    CD4044B: Vih for 3.3V supply operation 0 Locked

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

    SN74HC573AQDWRQ1 The output (Q) will have an indefinite output 0 Locked

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

    TXB0108: One-shot circuitry and short input pulses 0 Locked

    5560 views
    12 replies
    Latest over 8 years ago
    by ShreyasRao
  • Suggested Answer

    SN74LVC244A: about SN74LVC244 Ioff 0 Locked

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

    SN74LVTH16245A: Looking for the land pattern to the SN74LVTH16245ADGVR 0 Locked

    872 views
    3 replies
    Latest over 8 years ago
    by ShreyasRao
  • Suggested Answer

    SN74LV244A: Δt/Δv 0 Locked

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

    SN74AUC1G17: SN74AUC1G17 output 0 Locked

    688 views
    1 reply
    Latest over 8 years ago
    by Clemens Ladisch
  • Not Answered

    CD4077B: does CD4077B support 3.3V power supply? 0 Locked

    1032 views
    2 replies
    Latest over 8 years ago
    by Emrys Maier
  • Not Answered

    CD4077B: what's the difference of NOR Gate and Exclusive NOR gate? 0 Locked

    1423 views
    3 replies
    Latest over 8 years ago
    by Max Han
  • Suggested Answer

    TXS0104E: Rds(on) of TXS0104 in low level output 0 Locked

    3301 views
    10 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AHC1G04: VIH(min) and VOH(min) with 3.3V Vcc 0 Locked

    780 views
    1 reply
    Latest over 8 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC373A: Is output state knowable during power-up with /OE = L, LE = L, D = H? 0 Locked

    777 views
    2 replies
    Latest over 8 years ago
    by Jonathan Bender
  • Answered

    SN74LVC8T245: Maximum operating Speed of level shifter from 3.3V to 1.8V 0 Locked

    1188 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    SN74AUP1G57: what's the difference between 1t and 1g devices 0 Locked

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

    SN74LVC244A: the abs. minimum input negative AC voltage 0 Locked

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

    SN74ALVC164245: Preferred package variant 0 Locked

    1367 views
    4 replies
    Latest over 8 years ago
    by Markus Nabecker
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