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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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  • Answered

    SN74LVC4245A: Pspice model 0 Locked

    553 views
    2 replies
    Latest over 5 years ago
    by FRANK1
  • Suggested Answer

    1.8V LVCMOS to 3.3LVCMOS with the lowest possible delays ( <500psec) 0 Locked

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

    SN74LVC1G04: Do we have the solution like below with OP driving type 0 Locked

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

    SN74LVC1GX04: Can't get oscillator to oscillate 0 Locked

    816 views
    3 replies
    Latest over 5 years ago
    by Chad Crosby
  • Suggested Answer

    SN74LVC1G17-Q1: Rev.C PCN 0 Locked

    374 views
    3 replies
    Latest over 5 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LV4046A: How to Design 0 Locked

    977 views
    1 reply
    Latest over 5 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1G97: VIH & VIL values 0 Locked

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

    SN74ALVC244: SN74ALVC244 and A-version difference 0 Locked

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

    SN74HCT14: 3.3V to 5V Level Shifting 0 Locked

    1214 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC07A: Looking for p2p compatible with MC74VHCT50ADR2G 0 Locked

    1768 views
    9 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G175: Latching D to Q when Vcc is off 0 Locked

    453 views
    8 replies
    Latest over 5 years ago
    by Kyle Smith1
  • Discussion

    [FAQ] What do the underside markings on a part mean? Locked

    1536 views
    0 replies
    Started over 5 years ago
    by Chad Crosby
  • Suggested Answer

    SN54AC74: SN54AC74 0 Locked

    523 views
    7 replies
    Latest over 5 years ago
    by Chad Crosby
  • Suggested Answer

    Need to combine MISO and MOSI of SPI's from a programmer to connect to bidirectional data pin of device 0 Locked

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

    SN74LVC245A: What is the effect of exposing a part to temperatures greater than its storage temperature for 30 minutes? 0 Locked

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

    SN74LV1T34: Whether TI has an electronic switch with a low voltage threshold of 0.7v (system power supply 3.3v), similar to sn74lv1t34 0 Locked

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

    CD4518B: The difference between CD4518BE4 and CD4518E 0 Locked

    503 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Not Answered

    SN74LVC08A: Y output issue 0 Locked

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

    SN74LVC2G17DCKR: Pin1 location 0 Locked

    1195 views
    3 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74AVCH32T245: Alternative for SN74AVCH32T245 0 Locked

    462 views
    3 replies
    Latest over 5 years ago
    by Dylan Hubbard
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