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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

    SN74AVCH1T45: The output termination of SN74AVCH1T45 0 Locked

    377 views
    3 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    SN74AUP2G08: How much negative voltage can the input port withstand? 0 Locked

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

    SN74LS138: 74LS138 G1 Enable pin - pulldown recommendation? 0 Locked

    377 views
    2 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC2G00W-EP: VOL 0 Locked

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

    SN74LVC2G07-EP: VOL 0 Locked

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

    LSF0204: LSF0204PWR Single Supply Operation? 0 Locked

    327 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    TXS0108E: Application issues of chips 0 Locked

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

    TXS0104E: USB VBBUS Level Shifting 0 Locked

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

    SN54LVC646A-SP: Vout,low,max at 20uA 0 Locked

    260 views
    2 replies
    Latest over 1 year ago
    by Sylvain Chuard
  • Answered

    SN74LVTH244A: Please let me know EAR number 0 Locked

    380 views
    1 reply
    Latest over 1 year ago
    by Motoyasu Hattori
  • Not Answered

    SN74AC244-Q1: Data sheet and website error 0 Locked

    202 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Answered

    SN74LVC1G123: Delay length and jitter 0 Locked

    426 views
    6 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Not Answered

    SN74HCS574: Wrong chip picture for DGS package? 0 Locked

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

    TXS0102-Q1: TXS0102QDCURQ1 pin to pin compatible part with VccB 1.8V supported 0 Locked

    504 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    SN74HCT04: SN74HCT04ANSR device marking 0 Locked

    400 views
    5 replies
    Latest over 1 year ago
    by Owen Westfall
  • Suggested Answer

    SN74LVC74A: Request regarding Junction temp 0 Locked

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

    SN74LVC1G332: Request regarding Junction temp 0 Locked

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

    SN74ABT541B: Input Clamp Diode 0 Locked

    284 views
    2 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Not Answered

    TXB0104: Chip Marking 0 Locked

    471 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Not Answered

    CD4024B: CD4024 function and output behavir 0 Locked

    415 views
    2 replies
    Latest over 1 year ago
    by Clemens Ladisch
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