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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

    SN74GTL2003: looking for SN74GTL2003 IBIS model 0 Locked

    290 views
    1 reply
    Latest over 2 years ago
    by Jack Guan
  • Suggested Answer

    SN74HCS244-Q1: OE high level threshold 0 Locked

    337 views
    1 reply
    Latest over 2 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC541A: Excessive propagation delay time (~18ns instead of 5) 0 Locked

    749 views
    9 replies
    Latest over 2 years ago
    by Emrys Maier
  • Suggested Answer

    SN74AUP1G97: SN74AUP1G97 FUNCTION Issue. 0 Locked

    453 views
    5 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    CD4068B: power supply problem 0 Locked

    328 views
    2 replies
    Latest over 2 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1G97: Unpowered Resistance 0 Locked

    359 views
    3 replies
    Latest over 2 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1G17: No output from the IBIS model 0 Locked

    481 views
    5 replies
    Latest over 2 years ago
    by Emrys Maier
  • Suggested Answer

    SN74AUC1G126: What is the risk to support a 1.2V power supply? 0 Locked

    270 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC3G17: Vt+ for 5V ? 0 Locked

    311 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LV08A: Regarding thermal pad connection of SN74LV08 0 Locked

    314 views
    1 reply
    Latest over 2 years ago
    by Owen Westfall
  • Answered

    TXB0104: TXB0104 0 Locked

    333 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC16373A: Can be 1LE and 2LE applied to 5V when Vcc = 3.3? 0 Locked

    351 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AXC4T774-Q1: naming convention 0 Locked

    440 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LXC1T14: Some question about datasheet data... 0 Locked

    336 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LV1T86: About power consumption questions... 0 Locked

    326 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G08: Reliability Qualification Report of SN74LVC1G08DCKR 0 Locked

    426 views
    1 reply
    Latest over 2 years ago
    by Owen Westfall
  • Answered

    SN74GTL2003: Current mirror 0 Locked

    436 views
    3 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    LSF0204D:  I want to know the Vih, Vil, Vol and Voh of input pins A and B of "LSF0204DPWR" IC 0 Locked

    443 views
    4 replies
    Latest over 2 years ago
    by Mahima D
  • Answered

    TXB0108: Level-shifter driving current 0 Locked

    1133 views
    4 replies
    Latest over 2 years ago
    by Shih Scott
  • Suggested Answer

    SN74AUP1G17: High Delta Icc 0 Locked

    384 views
    3 replies
    Latest over 2 years ago
    by Emrys Maier
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