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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] How can I level shift up to 30 V?

    Michael Ikwuyum
    Michael Ikwuyum
    Other Parts Discussed in Thread: TXH0137D FAQ: Logic and Voltage Translation > Fixed DIR / DIR CNTRL Level-Shifters >> Current FAQ Existing level-shifters typically support up to 18 V. For up to 30 V, see the TXH0137D family highlighted below. …
    • over 1 year ago
    • Logic
    • Logic forum
  • [FAQ] What is the VIH / VIL required for a Schmitt-Trigger device?

    Michael Ikwuyum
    Michael Ikwuyum
    FAQ: Logic and Voltage Translation > Fixed DIR / DIR CNTRL Level-Shifters >> Current FAQ Consider the worst-case values in the electrical characteristics table; VT+(max) and VT−(min) are what matters for VIH and VIL respectively. See Understanding Schmitt…
    • over 1 year ago
    • Logic
    • Logic forum
  • [FAQ] How can I choose a high drive strength device?

    Michael Ikwuyum
    Michael Ikwuyum
    FAQ: Logic and Voltage Translation > Auto-Bidirectional Level-Shifters > Fixed DIR / DIR CNTRL Level-Shifters >> Current FAQ Choosing a high drive strength device depends on the below: Static DC drive strength: Drive required for a constant HIGH…
    • over 1 year ago
    • Logic
    • Logic forum
  • [FAQ] TXB0304 oscillates but TXB0104 works, why?

    Michael Ikwuyum
    Michael Ikwuyum
    Other Parts Discussed in Thread: TXB0304 , TXB0104 FAQ: Logic and Voltage Translation > Auto-Bidirectional Level-Shifters >> Current FAQ The most common reason is due to impedance mismatches. TXB0304 specifies a stronger output impedance than TXB0104…
    • over 1 year ago
    • Logic
    • Logic forum
  • [FAQ] How can I mitigate TXB / TXS oscillation concerns?

    Michael Ikwuyum
    Michael Ikwuyum
    FAQ: Logic and Voltage Translation > Auto-Bidirectional Level-Shifters >> Current FAQ To mitigate oscillation concerns with devices with edge rate accelerators / one-shots such as TXB / TXS devices, consider below: Short enough traces for round…
    • over 1 year ago
    • Logic
    • Logic forum
  • [FAQ] Can I estimate appropriate dampening resistor value for level-shifter outputs?

    Michael Ikwuyum
    Michael Ikwuyum
    FAQ: Logic and Voltage Translation > Auto-Bidirectional Level-Shifters > Fixed DIR / DIR CNTRL Level-Shifters >> Current FAQ When in doubt, use a 0 ohm series resistor on the outputs and adjust accordingly, for your system needs. This can also be…
    • over 1 year ago
    • Logic
    • Logic forum
  • [FAQ] TXS and LSF devices support Open-Drain and Push-Pull applications. How do I choose Open-Drain or Push-Pull Mode?

    Michael Ikwuyum
    Michael Ikwuyum
    FAQ: Logic and Voltage Translation > Auto-Bidirectional Level-Shifters >> Current FAQ The devices do not choose the mode. The mode is based on the devices connected to the TXS / LSF devices. I.e. These are the two devices that are connected to the…
    • over 1 year ago
    • Logic
    • Logic forum
  • [FAQ] How can I estimate Data Rate Frequency not given for my voltage level?

    Michael Ikwuyum
    Michael Ikwuyum
    Other Parts Discussed in Thread: TXV0108-Q1 FAQ: Logic and Voltage Translation > Fixed DIR / DIR CNTRL Level-Shifters >> Current FAQ Data rate depends on the system designers tolerance for various parameters such as VOL / VOH levels, duty cycle distortion…
    • over 1 year ago
    • Logic
    • Logic forum
  • [FAQ] Should I use Auto-Bidirectional level-shifters for Fixed directional applications?

    Michael Ikwuyum
    Michael Ikwuyum
    FAQ: Logic and Voltage Translation > Auto-Bidirectional Level-Shifters > Fixed DIR / DIR CNTRL Level-Shifters >> Current FAQ Do not use auto-bidirectional level-shifters if the below is applicable. Use fixed or direction control level-shifters instead…
    • over 1 year ago
    • Logic
    • Logic forum
  • [FAQ] Fixed DIR / DIR CNTRL Level-Shifters

    Michael Ikwuyum
    Michael Ikwuyum
    FAQ: Logic and Voltage Translation > Fixed DIR / DIR CNTRL Level-Shifters >> Current FAQ [FAQ] Should I use Auto-Bidirectional level-shifters for Fixed directional applications? [FAQ] Can I estimate Data Rate Frequency not given for my voltage level…
    • over 1 year ago
    • Logic
    • Logic forum
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  • Not Answered

    [FAQ] Frequently Asked Questions: TPLD 0 Locked

    1123 views
    0 replies
    Started 5 months ago
    by Malcolm Lyn
  • Answered

    [FAQ] [H] Frequently Asked Questions: Logic and Voltage Translation 0 Locked

    35969 views
    1 reply
    Latest over 4 years ago
    by Michael J Schultis
  • Suggested Answer

    TPLD801: Can one control the on/off of the onboard oscillator? 0

    13 views
    1 reply
    Latest 20 hours ago
    by Malcolm Lyn
  • Not Answered

    SN74LVC07A: Schematic check 0

    5 views
    0 replies
    Started 1 hour ago
    by EASON *.*
  • Not Answered

    LSF0102: LSF Reference Voltage assignment 0

    64 views
    7 replies
    Latest 3 hours ago
    by Anoop B
  • Suggested Answer

    TPLD1202-DYY-EVM: Regarding Write Failures with the TPLD1202EVM 0

    235 views
    13 replies
    Latest 3 hours ago
    by Kyohei
  • Suggested Answer

    TXS0108E: Please confirm maximum data rate for SDIO interface. 0

    66 views
    2 replies
    Latest 6 hours ago
    by Chase Jeong
  • Answered

    TXV0108-Q1: TXV0108-Q1 0

    153 views
    11 replies
    Latest 6 hours ago
    by Anjana Jahagirdar
  • Suggested Answer

    SN74LVTH16245A: Implementing FOC PMSM and using this transceiver for PWM and digital signal drive 0

    120 views
    10 replies
    Latest 7 hours ago
    by Zain ur Rehman
  • Not Answered

    LSF0108: Schematic Review LSF0108 0

    45 views
    1 reply
    Latest 7 hours ago
    by Jack Guan
  • Not Answered

    CD4043B: Regarding Propagation time 0

    8 views
    0 replies
    Started 7 hours ago
    by Akito Kunihiro
  • Suggested Answer

    TPS36-Q1: Max sink current/capacitive load of RESET pin of TPS36CD40EACDDFRQ1 0

    232 views
    13 replies
    Latest 10 hours ago
    by Joshua Garcia
  • Not Answered

    SN74AHCT574: 図面描画視点について 0

    17 views
    0 replies
    Started 11 hours ago
    by yura nishibe
  • Not Answered

    CD74HC7046A: Model Files 0

    11 views
    0 replies
    Started 11 hours ago
    by Jose Pedro
  • Not Answered

    SN7400: TI Part Status 0

    7 views
    0 replies
    Started 16 hours ago
    by Josues Gonzalez
  • Suggested Answer

    SN74LVC8T245: About Input transition rise or fail rate 0

    23 views
    1 reply
    Latest 20 hours ago
    by Joshua Salinas
  • Suggested Answer

    CD54HC4075: IO logic levels CD54HC4075 at 3.3V 0

    30 views
    2 replies
    Latest 20 hours ago
    by Albert Xu1
  • Answered

    SN74AUP1T32: Inquiry for alternatives for SN74AUP1T32DCKR & SN74LVC244ADBR 0

    12 views
    1 reply
    Latest 21 hours ago
    by Malcolm Lyn
  • Answered

    SN74AHC1G08-Q1: IC PTA AND SOT23-5 QS SN74AHC1G08QDBVRQ1 0

    60 views
    3 replies
    Latest 21 hours ago
    by Albert Xu1
  • Suggested Answer

    SN74AHCT244Q: CTE information for SN74AHCT244QPWRQ1 0

    80 views
    5 replies
    Latest 23 hours ago
    by Malcolm Lyn
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