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
  • Answered

    max recommended output current ? SN74HCT273 0 Locked

    393 views
    2 replies
    Latest over 8 years ago
    by Bryan Deguire
  • Suggested Answer

    Damaged SN74LVC2G 0 Locked

    967 views
    1 reply
    Latest over 8 years ago
    by ShreyasRao
  • Answered

    SN74LVC14A Supply voltage 0 Locked

    859 views
    4 replies
    Latest over 8 years ago
    by ShreyasRao
  • Suggested Answer

    ESD rating for SN74F253DR 0 Locked

    368 views
    1 reply
    Latest over 8 years ago
    by Joe Stephan
  • Answered

    TXS0108E 0 Locked

    584 views
    1 reply
    Latest over 8 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC157A Signal Rate 0 Locked

    535 views
    2 replies
    Latest over 8 years ago
    by Luke Sun
  • Not Answered

    SN74LV4046A - Frequency multiplier: settings the parameter, where to start? 0 Locked

    5739 views
    10 replies
    Latest over 8 years ago
    by Alberto Carboni
  • Answered

    SN74HC126 parameters at 3.3V and IBIS model 0 Locked

    551 views
    2 replies
    Latest over 8 years ago
    by Hiroshi Sato
  • Suggested Answer

    Differences between CF4320 and SN74LV4320 0 Locked

    783 views
    2 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0108PWR(Level Translator) - can fail during ESD? 0 Locked

    1809 views
    5 replies
    Latest over 8 years ago
    by aozer
  • Answered

    SN74HC138 thermal parameter 0 Locked

    568 views
    1 reply
    Latest over 8 years ago
    by ShreyasRao
  • Suggested Answer

    SN74AVC4T774 0 Locked

    481 views
    1 reply
    Latest over 8 years ago
    by aozer
  • Not Answered

    Query on Lifecycle status of TI parts 0 Locked

    846 views
    1 reply
    Latest over 8 years ago
    by Clemens Ladisch
  • Not Answered

    SN74LVT125PWR -Grade Details 0 Locked

    571 views
    3 replies
    Latest over 8 years ago
    by ShreyasRao
  • Answered

    SN74AVC4T245 Power sequence 0 Locked

    452 views
    1 reply
    Latest over 8 years ago
    by aozer
  • Discussion

    TS5A3157 design issue Locked

    1566 views
    6 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    txs0102: 1.8V to 3.3V 0 Locked

    782 views
    1 reply
    Latest over 8 years ago
    by aozer
  • Answered

    SN74HC165DR 0 Locked

    429 views
    1 reply
    Latest over 8 years ago
    by ShreyasRao
  • Not Answered

    SN74LV4052A bidirection and I2S usage 0 Locked

    784 views
    1 reply
    Latest over 8 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G80 Initial state and the Q0 mean? 0 Locked

    674 views
    3 replies
    Latest over 8 years ago
    by Clemens Ladisch
<>