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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

    TXS0104E: Double translator in series 0 Locked

    264 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC2G07: Rjb 0 Locked

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    3 replies
    Latest over 1 year ago
    by Albert Xu1
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    SN74HC595: Regarding Testing this part 0 Locked

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    SN74LV4T125: Some output of this buffer is not correct ! 0 Locked

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    6 replies
    Latest over 1 year ago
    by Vidhi Patel
  • Suggested Answer

    TXS02326A: Is there an enable function? 0 Locked

    185 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Answered

    CD4010B-Q1: CD4010B-Q1 15 V to 3.3 V translation ? 0 Locked

    286 views
    2 replies
    Latest over 1 year ago
    by Varunesh Kumar
  • Suggested Answer

    SN74AVC4T774: SN74AVC4T774, VCCA = VCCB 0 Locked

    243 views
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    SN74HC174A: Datasheet for SN74HC174ANSR 0 Locked

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    by Clemens Ladisch
  • Answered

    TXB0104-Q1: Over-Voltage on Inputs 0 Locked

    325 views
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    by Jack Guan
  • Answered

    TXS0104E: TXS0104E 0 Locked

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    Latest over 1 year ago
    by Jack Guan
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    TXB0106: Schematics review 0 Locked

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    TXB0104: TXB0104 OE clarification 0 Locked

    327 views
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    Latest over 1 year ago
    by mjan
  • Suggested Answer

    SN74LVC1G17: "DPW" package, min/typ overall height 0 Locked

    245 views
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    by Albert Xu1
  • Suggested Answer

    SN74AHC1G08: SN74AHC1G08DBVT 0 Locked

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  • Suggested Answer

    SN74ALVC245PWR 0 Locked

    213 views
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  • Suggested Answer

    SN74LVC2G07: SN74LVC2G07DBVR 0 Locked

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

    CD74HC14: CD74HC14M96 0 Locked

    190 views
    1 reply
    Latest over 1 year ago
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  • Answered

    TXU0304: TXU0304 Current consumption 0 Locked

    225 views
    2 replies
    Latest over 1 year ago
    by Hitha Guru
  • Suggested Answer

    TXU0104-Q1: Is suitable for CAN FD interface ? 0 Locked

    272 views
    2 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74LVCH16T245: SN74LVCH16T245DGGR 0 Locked

    222 views
    1 reply
    Latest over 1 year ago
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