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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: VCCA/VCCB/OE Question 0 Locked

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

    SN74LVC16245A: SN74LVC16245A and SN74LVT16245B output status undere operation supply level 0 Locked

    701 views
    3 replies
    Latest over 7 years ago
    by Clemens Ladisch
  • Answered

    SN74ACT14: Does the SN74ACT14DBR have ESD protection? 0 Locked

    621 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    TXB0304: TXBN0304RSVR: using pull-ups and pull-downs 0 Locked

    1838 views
    9 replies
    Latest over 7 years ago
    by Alfredo Bernardo
  • Suggested Answer

    SN74LVC8T245: Need IBIS Model 0 Locked

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

    Little Logic gates ESD rating 0 Locked

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

    TXS0102-Q1: Slow input transition 0 Locked

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

    SN74LVC00A: Device marking 0 Locked

    654 views
    2 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74ABT574A: About damping resistance 0 Locked

    557 views
    1 reply
    Latest over 7 years ago
    by Clemens Ladisch
  • Answered

    TXS0108E: VIL max = 0.15V -- match to an output with VOLmax = 0.45V? 0 Locked

    806 views
    4 replies
    Latest over 7 years ago
    by Amir Natan
  • Suggested Answer

    CD74HC4538: Latch-up from EMP? 0 Locked

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

    SN74AUP1T87: short the AB input 0 Locked

    566 views
    1 reply
    Latest over 7 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC3G07: Partial Power Down 0 Locked

    768 views
    2 replies
    Latest over 7 years ago
    by Gim Song
  • Answered

    SN74AC74: VIL higher than 2.5V replacement? 0 Locked

    482 views
    2 replies
    Latest over 7 years ago
    by [FAE] Andrew Wang
  • Answered

    SN74LVC1T45-Q1: About θja of SN74LVC1T45-EP and SN74LVC1T45-Q1 0 Locked

    679 views
    3 replies
    Latest over 7 years ago
    by Michael J Schultis
  • Suggested Answer

    SN74AHCT541: Noise characteristics specification 0 Locked

    915 views
    5 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    LSF0108-Q1: Can it be used for SDIO application 0 Locked

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

    SN74AVCH8T245: Looking for RGMII level shifter 0 Locked

    1193 views
    2 replies
    Latest over 7 years ago
    by [FAE] Andrew Wang
  • Answered

    SN74AUC16245: IBIS model link seems broken 0 Locked

    791 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74HC595: Source/sink current of 74HC595@3.3V and maximum recommended length of daisy chain? 0 Locked

    4152 views
    6 replies
    Latest over 7 years ago
    by Tuomo Latto
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