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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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View FAQ threads
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  • Answered

    SN74AUP1G08: Question on Ioff input behavior 0

    38 views
    1 reply
    Latest 25 days ago
    by Steve-Wilson
  • Suggested Answer

    SN74LVC1G123: Behavior 0

    54 views
    1 reply
    Latest 28 days ago
    by Nikki Dengel
  • Suggested Answer

    SN74HCT244: pin7/9 are short to GND 0

    220 views
    10 replies
    Latest 28 days ago
    by Albert Xu1
  • Suggested Answer

    SN74AC14: SN74AC14DR 0

    83 views
    1 reply
    Latest 28 days ago
    by Clemens Ladisch
  • Answered

    SN74AVC2T245: Pin 1 marking ID 0

    108 views
    4 replies
    Latest 29 days ago
    by Quynh Nguyen
  • Answered

    SN74LVC1G97-Q1: Rise/Fall Time 0

    75 views
    2 replies
    Latest 29 days ago
    by Alexander Korniyenko
  • Suggested Answer

    SN74LV07A: SN74LV07A damaged on several PCBAs 0

    147 views
    9 replies
    Latest 29 days ago
    by Malcolm Lyn
  • Not Answered

    SN74AS808B: SN74AS808BDW 0

    39 views
    1 reply
    Latest 29 days ago
    by Owen Westfall
  • Suggested Answer

    LSF0204: LSF0204 / TXB0104 For QSPI Applications 0

    140 views
    4 replies
    Latest 29 days ago
    by Clemens Ladisch
  • Suggested Answer

    CD74HC154: About HBM 0

    84 views
    2 replies
    Latest 30 days ago
    by user6345333
  • Suggested Answer

    SN74LVC1G08-Q1: GND and B pins reversed in KiCad UltraLibrarian model 0

    129 views
    1 reply
    Latest 30 days ago
    by Ian Graham
  • Suggested Answer

    SN74LVC1G07-Q1: Functional Safety FIT Rate, FMD and Pin FMA 0

    107 views
    3 replies
    Latest 30 days ago
    by Albert Xu1
  • Not Answered

    CD40106B:CD40106BM96 0

    34 views
    1 reply
    Latest 1 month ago
    by Ian Graham
  • Suggested Answer

    SN74HC86A: Datasheet cannot be found on TI.com 0

    42 views
    1 reply
    Latest 1 month ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVT8996: DEVICE NET SLAVE SUPPORT 0

    89 views
    3 replies
    Latest 1 month ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G332: SN74LVC1G332YZPR pin order inquiry 0

    82 views
    3 replies
    Latest 1 month ago
    by Malcolm Lyn
  • Answered

    SN74LVC1G14: the changes to the datasheet due to the addition of RFAB 0

    111 views
    3 replies
    Latest 1 month ago
    by Albert Xu1
  • Suggested Answer

    SN74LVC1G175: Need Pspice model 0 Locked

    57 views
    1 reply
    Latest 1 month ago
    by Malcolm Lyn
  • Answered

    SN74LVC8T245: intel GST team need the information to work out China HS code 0 Locked

    89 views
    2 replies
    Latest 1 month ago
    by Joshua Salinas
  • Not Answered

    SN74AVC1T45: Intel GST team need the information to work out China HS code 0 Locked

    79 views
    2 replies
    Latest 1 month ago
    by Joshua Salinas
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