TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • API solutions
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Interface
    • Isolation
    • Logic
    • Microcontrollers
    • Motor drivers
    • Power management
    • Processors
    • RF & microwave
    • Sensors
    • Site support
    • Switches & multiplexers
    • Tools
    • Wireless connectivity
    • Archived forums
    • Archived groups
  • Technical articles
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel
Logic

Logic

Logic forum

  • Mentions
  • Tags
  • More
  • Cancel
  • Ask a new question
  • Ask a new question
  • Cancel
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 does a monostable multivibrator (one shot) work?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ The above functional block diagram shows generally how a monostable multivibrator (MMV, or one-shot) works. Not all of them have every part shown, but this is the most common…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] What's the difference between TTL and 5V CMOS logic?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ It's very common for people to refer to "TTL logic" and to actually mean "5V logic" -- but how are they different? The key difference is in the input and output voltages. This graphic…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the difference in timing between gates in the same device? How much skew is expected within a given logic device? What is the part-to-part skew?

    Karan Kotadia
    Karan Kotadia
    FAQ: Logic and Voltage Translation > Timing Parameters >> Current FAQ The difference in delay between the individual channels on an individual part is referred to as channel-to-channel skew or output skew. This is typically not covered as a datasheet…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the difference between the SN74HCxx and the SN74HCxxA?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN7400 , SN74LS00 FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ The High-speed CMOS (HC) logic family was created as a direct replacement for older bipolar junction transistor based transistor…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What method is best used for estimating specification values between those given in the datasheet?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ The most common example of this question comes from the fact that Standard Logic devices are specified at 1.65V, 3V, and 4.5V, however most engineers use our devices at 1.8V, 3.3V…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] When will TI End of Life (EOL) or Obsolete a certain logic device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ TI's General Quality Guideline (page 7) describes our official policy on obsoleting a device. This policy is summarized below. TI's Product withdrawal/discontinuance process…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What are the power sequencing requirements for the translation device?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ Some of the TI translators have requirements during normal operation mode to have Vcca <= Vccb ( TXS/ TXB01xx) or Vrefb>= VrefA+0.8V(LSF). However, the TI translation devices do…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the difference between IOFF and VCC isolation? What are the conditions to guarantee it?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ The I OFF specification guarantees the I/O ports are in high impedance whenever either one of the power supply is at pulled to ground (0V) or close to gnd(<100mV as specified for the…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What should be done with unused I/O pins of the level translator devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ For the TXB family, unused I/O ports are recommended to be tied to GND through a weak pulldown resistors (>=100kohm). For TXS devices, the internal 10kohm pull-ups resistors will…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] Why is there no PSpice model for a Monostable Multivibrator device?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G123 FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ To make a long post short: MMVs cannot be directly simulated by PSpice because of their direct dependence on external components…
    • over 6 years ago
    • Logic
    • Logic forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Not Answered

    CD74HCT4052 input voltage? 0 Locked

    275 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    2 bit logic isolation I/F 0 Locked

    471 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    input transition rate SN74AUP3G17 vs. SN74AUP1G17 0 Locked

    679 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Not Answered

    74ls673 price shock!! 0 Locked

    1048 views
    5 replies
    Latest over 14 years ago
    by Andy Neil
  • Not Answered

    SN74TVC16222A logic level converter problem 0 Locked

    370 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    lvc power range 0 Locked

    363 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Suggested Answer

    3.3V to 15V cmos low-to-high 0 Locked

    2373 views
    1 reply
    Latest over 14 years ago
    by Dwight
  • Answered

    cmos latch up 0 Locked

    952 views
    3 replies
    Latest over 14 years ago
    by Chris Cockrill
  • Not Answered

    Maximum Junction Temperature for the SN74AVCB164245GR 0 Locked

    526 views
    5 replies
    Latest over 15 years ago
    by Nate
  • Not Answered

    TI PCI1510 CF CONTROLLERS ??? 0 Locked

    384 views
    1 reply
    Latest over 15 years ago
    by -DK-
  • Answered

    TTL/CMOS 0 Locked

    562 views
    1 reply
    Latest over 15 years ago
    by Hattie
  • Answered

    TXB0108 vs. TXS0108E 0 Locked

    1979 views
    1 reply
    Latest over 15 years ago
    by Hattie
  • Answered

    What is difference between TCA6408 & TCA6408A? 0 Locked

    735 views
    1 reply
    Latest over 15 years ago
    by Hattie
  • Not Answered

    SN74CBTLV3257 - signal integrity when used on SPI bus? 0 Locked

    1645 views
    1 reply
    Latest over 15 years ago
    by Chris Cockrill
  • Not Answered

    test 0 Locked

    236 views
    2 replies
    Latest over 15 years ago
    by Rick Reszler
  • Answered

    TXB0108 IBIS model 0 Locked

    963 views
    6 replies
    Latest over 15 years ago
    by Hattie
  • Answered

    SN74ALVC244 drive capacitance 0 Locked

    337 views
    1 reply
    Latest over 15 years ago
    by Chris Cockrill
  • Answered

    unintended driven output on SN74LVC8T245 bus tranceiver during power-up 0 Locked

    850 views
    4 replies
    Latest over 15 years ago
    by Chris Cockrill
  • Answered

    3.3v signal I/F between battery system and regulated powersupply 0 Locked

    438 views
    1 reply
    Latest over 15 years ago
    by Ron Michallick
  • Not Answered

    generating a low-skew complementary signal (i.e. alternative for 74265) 0 Locked

    510 views
    2 replies
    Latest over 15 years ago
    by Stefan Tauner
<>