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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

    SN74LVC2G74-EP: output when inputs PRE=high, CLR=high, CLK=Low, and D=X 0 Locked

    473 views
    1 reply
    Latest over 7 years ago
    by Wade Vonbergen
  • Answered

    SN74HCT245: current drive capability 0 Locked

    498 views
    2 replies
    Latest over 7 years ago
    by [FAE] Andrew Wang
  • Suggested Answer

    CD74HC123: PIN ISSUE 0 Locked

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

    SN74HCT244: Do you have any data or graph about propagation delay (tpd)? 0 Locked

    650 views
    2 replies
    Latest over 7 years ago
    by Kazuya Nakai59
  • Answered

    SN74HC244: Do you have any data or graph about propagation delay (tpd) on SN74HC244? 0 Locked

    400 views
    2 replies
    Latest over 7 years ago
    by Kazuya Nakai59
  • Suggested Answer

    CD4541B: set the timer IC to count 390s 0 Locked

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

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    by Emrys Maier
  • Answered

    LSF0108: Thermal Pad connection 0 Locked

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  • Answered

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    427 views
    2 replies
    Latest over 7 years ago
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  • Suggested Answer

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  • Answered

    TXS0108E: The TXS0108E Current consumption at UART load 0 Locked

    472 views
    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Answered

    TXB0108: Does TXB0108 have any diode for ESD protection at An, Bn and OE terminals? 0 Locked

    542 views
    5 replies
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

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    4 replies
    Latest over 7 years ago
    by Maksim Popov
  • Answered

    CD74HC4050: Is there marking correct ? (CD74HC4050) 0 Locked

    2440 views
    13 replies
    Latest over 7 years ago
    by park junseck
  • Suggested Answer

    SN74AUP1G08-Q1: Side effect of Vi>Vcc 0 Locked

    667 views
    2 replies
    Latest over 7 years ago
    by Antony Lin
  • Suggested Answer

    SN74AVC8T245: unused input pins 0 Locked

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    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    CD74AC253: DURING POWER UP THE STATE OF THIS COMPONENT 0 Locked

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

    SN74LVC244A: ECCN classification 0 Locked

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

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

    LSF0108: The poor signal integrity in B port 0 Locked

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    by Emrys Maier
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