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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: Better level translator for SPI interface 0 Locked

    1253 views
    1 reply
    Latest over 6 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC4245A: Can SN74LVC4245 tolerate a ±600mV glitch on input voltage? 0 Locked

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

    SN74LV126A: EOL plan 0 Locked

    374 views
    2 replies
    Latest over 6 years ago
    by Hideyuki Takisawa
  • Answered

    SN74LVC541A-EP: Y1 output level during Vcc ramp up 0 Locked

    561 views
    3 replies
    Latest over 6 years ago
    by Wade Vonbergen
  • Suggested Answer

    SN74AUP2G17: SN74AUP2G17DCKR asking the data. 0 Locked

    383 views
    1 reply
    Latest over 6 years ago
    by Karan Kotadia
  • Suggested Answer

    SN74LVC1G126: possible to have 5V input with SN74LVC1G126? 0 Locked

    370 views
    2 replies
    Latest over 6 years ago
    by Dylan Hubbard
  • Answered

    SN74AHC1G08: SN74AHC1G08DBVR Tc 0 Locked

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

    SN74LVC138A: Is MTBF increasing if you have 5V in on the signals 0 Locked

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

    SN74AVC4T774: SN74AVC4T774 application problems 0 Locked

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

    TC7SZ08F replacement 0 Locked

    268 views
    1 reply
    Latest over 6 years ago
    by Clemens Ladisch
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    HC00 and part numbers 0 Locked

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

    SN74AVC2T45: HDMI level Shift, require max data rates is 1Gbps. 0 Locked

    516 views
    3 replies
    Latest over 6 years ago
    by David (ASIC) Liu
  • Suggested Answer

    SN74LVC1G17: SN74LVC1G17DCK input is bipolar or CMOS input 0 Locked

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

    TXB0108: tpd is beyond the specification in the datasheet 0 Locked

    261 views
    2 replies
    Latest over 6 years ago
    by Dylan Hubbard
  • Answered

    CD4504B-EP: SPICE Model 0 Locked

    605 views
    1 reply
    Latest over 6 years ago
    by Wade Vonbergen
  • Answered

    SN74LVT16245A: About a input signal frequency. 0 Locked

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

    SN74LVC1G02: Typical Icc of SN74LVC1G02 0 Locked

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

    SN74LS624: Crystal connection method and internal circuit 0 Locked

    1388 views
    2 replies
    Latest over 6 years ago
    by user6165533
  • Suggested Answer

    SN74LVC14A: SN74LVC14APW: input port protection circuit 0 Locked

    1821 views
    11 replies
    Latest over 6 years ago
    by Karan Kotadia
  • Suggested Answer

    SN74AVC2T244: Need Thermal Details 0 Locked

    356 views
    1 reply
    Latest over 6 years ago
    by Karan Kotadia
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