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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 do I Calculate Power Consumption or Current Consumption for my CMOS Logic Device?

    Karan Kotadia
    Karan Kotadia
    FAQ: Logic and Voltage Translation > Power and Thermals >> Current FAQ CMOS logic devices are designed to be low powered. If you are interested in a low powered solution for your design, check out our AUP and HCS family of logic parts. If you are…
    • over 6 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 6 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 6 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 6 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 6 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 6 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 6 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 6 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 6 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 6 years ago
    • Logic
    • Logic forum
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  • Not Answered

    [FAQ] Frequently Asked Questions: TPLD 0 Locked

    2799 views
    0 replies
    Started over 1 year ago
    by Malcolm Lyn
  • Answered

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

    45222 views
    1 reply
    Latest over 4 years ago
    by Michael J Schultis
  • Suggested Answer

    SN74AUC1G125: Abnormality Observed on SN74AUC1G125DCKR IC Body 0

    54 views
    5 replies
    Latest 8 minutes ago
    by Malcolm Lyn
  • Not Answered

    SN74LV1T125: Output waveform changed after PCN 0

    16 views
    1 reply
    Latest 51 minutes ago
    by Jack Guan
  • Not Answered

    SN74LV1T125: Noise is superimposed on the output in addition to the input pulse 0

    7 views
    0 replies
    Started 3 hours ago
    by Shinichi Inoue
  • Not Answered

    SN74LVC1G386: SO#558670 SN74LVC1G386DRYR manufacturing date for lotcode 5480427JCE 0

    17 views
    2 replies
    Latest 4 hours ago
    by Manuel Rosario
  • Not Answered

    SN74LVC8T245-EP: SN74LVC8T245-EP Behavior Functionality with A1 signal Greater than VCCA 0

    5 views
    0 replies
    Started 8 hours ago
    by Jordan Benzon
  • Suggested Answer

    SN74AXC4T245-Q1: Glitch free 0

    12 views
    1 reply
    Latest 12 hours ago
    by Joshua Salinas
  • Suggested Answer

    SN74AVC2T245: Support Request – Unexpected Output Voltage on SN74AVC2T245 When VCCA and VCCB Are Powered Off 0

    10 views
    1 reply
    Latest 12 hours ago
    by Joshua Salinas
  • Suggested Answer

    SN74LV8T245: Input voltage tolerance on IO pins 0

    14 views
    1 reply
    Latest 12 hours ago
    by Joshua Salinas
  • Not Answered

    SN74LVC1G126: Reel Width 0

    7 views
    0 replies
    Started 13 hours ago
    by Danilo A.
  • Suggested Answer

    TPLD2001: Feasibility of using TPLD2001 for SPI pass-through with simple data masking 0

    103 views
    7 replies
    Latest 14 hours ago
    by Nikki Dengel
  • Suggested Answer

    SN74HCS08-Q1: Reliability Data 0

    16 views
    1 reply
    Latest 14 hours ago
    by Chris Pui
  • Suggested Answer

    SN74HC595: Can it support 20mA current output under 3.3V power supply 0

    27 views
    2 replies
    Latest 23 hours ago
    by Gary Zeng
  • Suggested Answer

    SN74AUP1G08: PN 28494656 -- Visual Inspection on Leads 0

    22 views
    1 reply
    Latest 1 day ago
    by Ian Graham
  • Suggested Answer

    TPS25982: TPS259827ONRGER EVM Check 0

    26 views
    1 reply
    Latest 1 day ago
    by Mani Ray
  • Suggested Answer

    SN74LVC2G157: End of life informations 0

    39 views
    2 replies
    Latest 1 day ago
    by Chris Pui
  • Suggested Answer

    TPLD2001-RJY-EVM: Use TPLD to feed the watchdog 0

    25 views
    1 reply
    Latest 1 day ago
    by Chris Pui
  • Answered

    SN74LVC2G14: unused pins 0

    22 views
    1 reply
    Latest 1 day ago
    by Clemens Ladisch
  • Suggested Answer

    CD74HCT04: Typical input capacitance CD74HCT04M96 0

    52 views
    3 replies
    Latest 2 days ago
    by Clemens Ladisch
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