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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] Can the input voltage (Vi) to my logic device be higher than the supply voltage (Vcc)?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ This question is really about the input structure of a logic device. There are primarily two types of CMOS input structures - one with a positive clamping diode, and one without…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] Where do I connect the thermal pad of the logic QFN devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Power and Thermals >> Current FAQ Some datasheets do not specify what should be done with the thermal pad, such as in the image below: The thermal pad is recommended to be soldered to the PCB and electrically…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the maximum capacitive load that a logic device can drive?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC2G34 FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ There are a few issues with trying to determine a maximum capacitive load for a standard CMOS logic device. First is propagation delay…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] Why does a logic device's part number have an E4/G4 suffix?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ In short, there will be no difference between a device labelled SN74xxG4 and SN74xx. Historically, G4 and E4 suffixes meant that the devices were rated to be "Green" or…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the difference between TXS TXB and LSF devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] Is part number X pin to pin compatible with part number Y?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ It's extremely common to need to know if one device can be directly replaced with another. With Standard Logic devices, this is generally an easy process. The part number…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the output transition rate for a logic device?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G08 FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ Very few logic devices specify an output transition rate, and those that do only specify it under very specific conditions. The best…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] Why do the leadframes look strongly oxidized or corroded?

    Karan Kotadia
    Karan Kotadia
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ Texas instruments has decided to change from non-roughened leadframe to single-side roughened leadframe for some of its parts. For this reason these devices look as if they…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the TXS device internal resistor variation/ tolerance

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ According to the design simulation, the variation of the 10K internal resistor of the TXS device can be between 6.5k to 15kohm across PVT.
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the maximum junction temperature (TJMAX) for a device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Power and Thermals >> Current FAQ The vast majority of logic devices do not list a maximum junction temperature ( T J(max) ) on the datasheet. For logic devices, T J(max) is equal to the maximum storage temperature…
    • Answered
    • over 7 years ago
    • Logic
    • Logic forum
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  • Answered

    TXB0108: txb0108 0 Locked

    493 views
    1 reply
    Latest over 6 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LS244: Absolute Minus Maximum Ratings 0 Locked

    436 views
    1 reply
    Latest over 6 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC244A: bypass capacitance 0 Locked

    403 views
    1 reply
    Latest over 6 years ago
    by Clemens Ladisch
  • Answered

    LM567C: The variation data 0 Locked

    339 views
    2 replies
    Latest over 6 years ago
    by Hiroshi Katsunaga
  • Answered

    LM567C: Highest Center Frequency Characteristics 0 Locked

    309 views
    2 replies
    Latest over 6 years ago
    by Hiroshi Katsunaga
  • Answered

    LM567C: Measurement Environment for the characterization or the production test 0 Locked

    278 views
    2 replies
    Latest over 6 years ago
    by Hiroshi Katsunaga
  • Suggested Answer

    SN74AVC1T45: State of terminal at Vcc open 0 Locked

    300 views
    1 reply
    Latest over 6 years ago
    by ShreyasRao
  • Suggested Answer

    TXS0102: Logic converter SCH Review 0 Locked

    2163 views
    3 replies
    Latest over 6 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC2G07: ECCN # for SN74LVC2G07DSFR 0 Locked

    349 views
    2 replies
    Latest over 6 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC8T245-Q1: Current consumption 0 Locked

    492 views
    1 reply
    Latest over 6 years ago
    by Dylan Hubbard
  • Answered

    SN74F125: Input logic level 0 Locked

    358 views
    1 reply
    Latest over 6 years ago
    by Dylan Hubbard
  • Answered

    SN74LVC2G126: About OEpin. 0 Locked

    473 views
    1 reply
    Latest over 6 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC1G123: Using as a Delay Block 0 Locked

    752 views
    1 reply
    Latest over 6 years ago
    by Emrys Maier
  • Answered

    LSF0204: for SPI application, is it have to use Open-Drain mode? 0 Locked

    699 views
    2 replies
    Latest over 6 years ago
    by Damien Zhang
  • Answered

    SN74LVC2G06-EP: SN74LVC2G06-EP 0 Locked

    953 views
    11 replies
    Latest over 6 years ago
    by Emrys Maier
  • Not Answered

    SN74AUC00: About Quality & reliability of SN74AUC00RGYR 0 Locked

    370 views
    2 replies
    Latest over 6 years ago
    by Emrys Maier
  • Suggested Answer

    SN74HCT245: About dimension of coplanarity 0 Locked

    4670 views
    3 replies
    Latest over 6 years ago
    by Emrys Maier
  • Answered

    SN74LV595A: sn74lv595a QH' Timing 0 Locked

    379 views
    1 reply
    Latest over 6 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0104: TXB0104 Level Translator bidirectional 0 Locked

    502 views
    4 replies
    Latest over 6 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G123: Is it no problem that soldering profile peak temperature is higher than the device storage temperature? 0 Locked

    471 views
    6 replies
    Latest over 6 years ago
    by Kazuya Nakai59
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