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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] What are the RHA numbers, codes or radiation testing ratings for my high reliability part number?

    Karan Kotadia
    Karan Kotadia
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ TI typically does not perform radiation testing on mil or commercial grade products. Parts that are tested will have ratings specified in their orderable part numbers. You…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] Is the reliability of a logic device affected by applying an input voltage larger than the supply (VCC)?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ The reliability of a logic device is linked to the recommended operating conditions in the datasheet. As long as the device is operated within the recommended operating conditions…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] How do I find reliability data for a logic device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ First, go to the device folder on TI.com. Once there, you can select the "Ordering & quality" tab: Finally, select "View or download" for the desired device:
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the impedance of the device's input pin? Is it CMOS or bipolar device?

    ShreyasRao
    ShreyasRao
    Other Parts Discussed in Thread: SN74LVC1G125 FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ The impedance of a device's pin can be determined by Ohm's law : R= V/ I. Usually, the impedance of the CMOS input pins ( OE, DIR, A…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] How to import Logic SPICE models netlist into TINA-TI (Logic TINA-TI test benches)

    Karan Kotadia
    Karan Kotadia
    Other Parts Discussed in Thread: TINA-TI FAQ: Logic and Voltage Translation > Simulation Models >> Current FAQ The purpose of this post is to show you how this netlist provided in the product folder can be imported and used in TINA-TI and how to provide…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] Is it necessary to have pull-down( or pullup) resistor on the OE pin or can I connect it directly to TXS/ TXB supply?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ The OE ( output enable) is over voltage tolerant, high input impedance, active high enable pin for most of the TXS, TXB devices. If the IOs must be in high impedance during power…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] Can I connect the OE pin to Vccb supply pin instead of Vcca for TXS, TXB devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ The OE ( output enable) is active high CMOS high input impedance pin for most of the TXS and TXB devices. The OE is referenced to Vcca supply w.r.t the voltage levels. i.e The Vih…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the maximum output pulse length for a monostable multivibrator?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G123 FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ There is no official maximum output pulse length for a monostable multivibrator device, but there are practical limits. The…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] How stable is the output pulse length of a monostable multivibrator across changes in supply voltage?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G123 FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ This plot is from the SN74LVC1G123 datasheet. You can see that the "K" value decreases as the supply increases, but it also…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] How stable is the output pulse length of a monostable multivibrator across temperature?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ The application report Designing with the SN74LVC1G123 Monostable Multivibrator has some useful information regarding this. Essentially, the timing is primarily determined…
    • over 5 years ago
    • Logic
    • Logic forum
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  • Answered

    TXS0108E: About absolute maximum rated 0 Locked

    666 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    LSF0102: about LSF0102 Vref 0 Locked

    926 views
    4 replies
    Latest over 7 years ago
    by Clemens Ladisch
  • Answered

    SN74AVC1T45: DRL package IBIS model 0 Locked

    520 views
    2 replies
    Latest over 7 years ago
    by Taketo Sato
  • Suggested Answer

    TXB0102: TXS0102 doesn't work for I2C interface 0 Locked

    3331 views
    9 replies
    Latest over 7 years ago
    by Michael J Schultis
  • Answered

    SN74LVC4245A: OE during power up 0 Locked

    515 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1G17: SN74LVC1G17 EOL 0 Locked

    554 views
    1 reply
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    by Emrys Maier
  • Suggested Answer

    SN74AHC244: TTL input Voltage compatibility problem 0 Locked

    408 views
    1 reply
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    by Emrys Maier
  • Suggested Answer

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    1896 views
    9 replies
    Latest over 7 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AVC4T774: Pin states when no VCCB present 0 Locked

    1811 views
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    Latest over 7 years ago
    by Lukasz Przenioslo
  • Suggested Answer

    TXS02612: Oscillogram of CMDA and CMDB1 are not square wave. 0 Locked

    1560 views
    1 reply
    Latest over 7 years ago
    by Michael J Schultis
  • Answered

    SN74LS31: SN74LS31NSR dimensions/pad layout 0 Locked

    548 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74ACT32: Product information related with Lifecycle 0 Locked

    1166 views
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    by Roo Kwak
  • Answered

    SN74AHCT574: About IBIS model 0 Locked

    558 views
    1 reply
    Latest over 7 years ago
    by Michael J Schultis
  • Suggested Answer

    SN74LVC14A: undershoot at logic input violating Abs. max. 0 Locked

    625 views
    1 reply
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    by Emrys Maier
  • Suggested Answer

    SN74LVC2G07: Pull-up resistor value at output 0 Locked

    1212 views
    2 replies
    Latest over 7 years ago
    by Michael J Schultis
  • Suggested Answer

    Competitor parts 0 Locked

    436 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    CD4541B: About frequency setting 0 Locked

    853 views
    2 replies
    Latest over 7 years ago
    by Kenji Ohno1
  • Answered

    TXS0206: TXS0206 signal driving strength 0 Locked

    760 views
    2 replies
    Latest over 7 years ago
    by TT_Chin
  • Answered

    SN74AVCH8T245: Can I use VCCA and VCCB as 3.3V? 0 Locked

    1182 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    CD4078B: I need more info on how many outputs are in this part. 0 Locked

    733 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
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