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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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View FAQ threads
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  • Answered

    TXV0106-Q1: Okay to short OEb input to GND? 0 Locked

    178 views
    1 reply
    Latest 11 months ago
    by Michael Ikwuyum
  • Suggested Answer

    TXS0102: EMI - EMC and Safety Test Certification 0 Locked

    241 views
    2 replies
    Latest 11 months ago
    by Jack Guan
  • Suggested Answer

    TXB0106: OE pin problem 0 Locked

    725 views
    17 replies
    Latest 11 months ago
    by Jack Guan
  • Answered

    SN74LV163A: Max ICC is 20uA, I don't know the typical, no clocking 0 Locked

    296 views
    3 replies
    Latest 11 months ago
    by Ron Michallick
  • Suggested Answer

    SN74HCS251: SN74HCS251 fmax at 3.3V Vcc 0 Locked

    221 views
    1 reply
    Latest 11 months ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AUP2G07: EMI - EMC and Safety Test Certification 0 Locked

    224 views
    1 reply
    Latest 11 months ago
    by Clemens Ladisch
  • Answered

    SN74LVC16T245-EP: 0 Locked

    289 views
    1 reply
    Latest 11 months ago
    by Michael Ikwuyum
  • Suggested Answer

    SN54HC153-SP: SN54HC153-SP 0 Locked

    281 views
    4 replies
    Latest 11 months ago
    by Albert Xu1
  • Suggested Answer

    SMV512K32-SP: Shorted Output Current Limit 0 Locked

    205 views
    1 reply
    Latest 11 months ago
    by Albert Xu1
  • Suggested Answer

    SN74AC244-Q1: powerPAD (thermal pad) on device DGS0020A package? 0 Locked

    261 views
    1 reply
    Latest 11 months ago
    by Albert Xu1
  • Suggested Answer

    CD74ACT138: CD74ACT138M96 thermal characteristics changed with PCN 20240327004.1 0 Locked

    206 views
    1 reply
    Latest 11 months ago
    by Albert Xu1
  • Suggested Answer

    TPLD801: When are TPLD801 and TPLD1201 RTM data? 0 Locked

    350 views
    3 replies
    Latest 11 months ago
    by Owen Westfall
  • Answered

    SN74LVC1G14: Distortion in output waveform 0 Locked

    371 views
    2 replies
    Latest 11 months ago
    by Ahmet Inan
  • Suggested Answer

    LSF0204-Q1: Input abnormal after running under -40C 0 Locked

    414 views
    5 replies
    Latest 11 months ago
    by Clemens Ladisch
  • Suggested Answer

    TXS0108E: IO level compatibility 0 Locked

    316 views
    5 replies
    Latest 11 months ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0102: Output Voltage Not driven to complete 0V 0 Locked

    305 views
    2 replies
    Latest 11 months ago
    by Jack Guan
  • Suggested Answer

    SN74LXC8T245: Unused I/O data lines 0 Locked

    257 views
    1 reply
    Latest 11 months ago
    by Clemens Ladisch
  • Suggested Answer

    CD74HCT14: Inverter IC 0 Locked

    278 views
    1 reply
    Latest 11 months ago
    by Clemens Ladisch
  • Not Answered

    [FAQ] Dual Footprinting - How to design around supply constraints and create flexibility for boards 0 Locked

    958 views
    0 replies
    Started 11 months ago
    by Albert Xu1
  • Not Answered

    SN54HC04-DIE: Placing Inverter Gates in Parallel 0 Locked

    272 views
    4 replies
    Latest 11 months ago
    by Owen Westfall
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