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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

    SN74LVC2G07: When device is depowered, what does "the output is turned off" mean? 0 Locked

    442 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74AHCT74Q-Q1: high delta ICC 0 Locked

    2320 views
    6 replies
    Latest over 7 years ago
    by Ryuji
  • Answered

    LSF0108: What's the leakage current of I/O pin 0 Locked

    868 views
    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    suggest alternate for DS26C32AMJ883 National SemiConductor ic 0 Locked

    316 views
    1 reply
    Latest over 7 years ago
    by Lucas Schulte9
  • Suggested Answer

    CD74HCT374: Please provide the longetity , Temperature, speed, Density . 0 Locked

    711 views
    3 replies
    Latest over 7 years ago
    by Wade Vonbergen
  • Suggested Answer

    SN74LVT245B: Need to know the alternative IC suitable for the open drain input 0 Locked

    1161 views
    7 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74LVC244A: SN74LVC244A - input signal is larger than VCC voltage, but it fall within absolut max rating. 0 Locked

    468 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    TXS0104E: Input transition rise/fall rate 0 Locked

    584 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC8T245: SN74LVC8T245PWR 0 Locked

    1142 views
    9 replies
    Latest over 7 years ago
    by ShreyasRao
  • Answered

    SN74AHCT244: SN74AHCT244 datasheet question about temperature 0 Locked

    855 views
    6 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74AHC1G00: input voltage vs. supply current for 74AHC1G* / 74AHCT1G*? 0 Locked

    831 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74AHC1G32: Schmitt-Trigger Action 0 Locked

    665 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1G04: Trigger level problem 0 Locked

    485 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    LSF0102: Support MDC need pull-up resistor or not 0 Locked

    2718 views
    3 replies
    Latest over 7 years ago
    by ShreyasRao
  • Answered

    SN74LVC1G123: Equation I could use to calculate R(ext) and C(ext) based on a specific pulse duration 0 Locked

    516 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    CD4099B: CD4099BF & CD4099BF3A 0 Locked

    586 views
    1 reply
    Latest over 7 years ago
    by Wade Vonbergen
  • Suggested Answer

    TXB0104-Q1: Internal pullup or pulldown 0 Locked

    726 views
    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Answered

    SN74LV74A: Continuous output current in case of short time rating(10ms~50ms) 0 Locked

    471 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74LVC125A: Power Supply Sequencing and the Output Pins 0 Locked

    482 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    TXB0106: TXB0106 0 Locked

    672 views
    3 replies
    Latest over 7 years ago
    by ShreyasRao
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