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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

    SN74AVC2T45: Channel skew 0 Locked

    277 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Not Answered

    SN74HC595: When it is working, the MCU is suddenly powered off, and the output status of SN74HC595 0 Locked

    292 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXS0108E: Low—level input range 0 Locked

    242 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AXC1T45: voltage divider for low side VCC 0 Locked

    330 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AVC24T245: Difference between SN74AVC24T245GRGR e SN74AVC24T245ZRGR 0 Locked

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

    SN74HCS72: latching circuit for watchdog timer 0 Locked

    903 views
    2 replies
    Latest over 3 years ago
    by Kelvin Le THS
  • Answered

    CD4541B: Can send Spice model per component CD4541B. 0 Locked

    534 views
    3 replies
    Latest over 3 years ago
    by Albert Xu1
  • Suggested Answer

    TXB0104-Q1: VCCA<VCCB 0 Locked

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

    SN74HC14: VOL @VCC=5V 0 Locked

    282 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AUC1G240: SN74AUC1G240 input signal frequency 0 Locked

    202 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74ALVC244: About the penetration current of SN74ALVC244 0 Locked

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

    TXS0104E: Pull Down Required? 0 Locked

    411 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G19: Delay matching A to Y1 & Y2 0 Locked

    413 views
    1 reply
    Latest over 3 years ago
    by Albert Xu1
  • Suggested Answer

    CD4027B: CD4027BNSR ESD(HBM/CDM)SPEC 0 Locked

    346 views
    1 reply
    Latest over 3 years ago
    by Albert Xu1
  • Suggested Answer

    SN74AXC8T245-Q1: What is the max data rates for 1V8 to 1V8? 0 Locked

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

    LSF0108: Looking for good IC selection to send PWM signals to motors. LSF doesn't seem to be working. 0 Locked

    1949 views
    11 replies
    Latest over 3 years ago
    by Emrys Maier
  • Suggested Answer

    CD54AC244: pin-to-pin skew 0 Locked

    265 views
    1 reply
    Latest over 3 years ago
    by Emrys Maier
  • Suggested Answer

    CD74HCT4511: Datasheet inconsistency for font for digits 6 and 9 0 Locked

    1166 views
    8 replies
    Latest over 3 years ago
    by Emrys Maier
  • Answered

    SN74LVC2G74: SN74LVC2G74: PSpice Model Simulation Error 0 Locked

    482 views
    1 reply
    Latest over 3 years ago
    by Roman Barskov
  • Suggested Answer

    LSF0102: solution select 0 Locked

    481 views
    8 replies
    Latest over 3 years ago
    by Michael J Schultis
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