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
  • Suggested Answer

    LSF0204D: The propagation delay of LSF0204DRUTR 0 Locked

    800 views
    7 replies
    Latest over 4 years ago
    by Rami Mooti1
  • Suggested Answer

    SN74LVC1G32: What does "supports down translation to Vcc" mean in the datasheet? 0 Locked

    739 views
    2 replies
    Latest over 4 years ago
    by Charles Lai
  • Suggested Answer

    CD74ACT32M96 info 0 Locked

    197 views
    1 reply
    Latest over 4 years ago
    by Rami Mooti1
  • Not Answered

    LSF0204-Q1: Whether pull-ups are needed when we drive with push-pull? 0 Locked

    1160 views
    1 reply
    Latest over 4 years ago
    by Rami Mooti1
  • Answered

    LSF0204: LSF0204QPWRQ1 0 Locked

    314 views
    1 reply
    Latest over 4 years ago
    by Emrys Maier
  • Not Answered

    TCA9803: Electrical Characteristics : INA226 TCA9803 TMP468 TS3A24157 0 Locked

    368 views
    4 replies
    Latest over 4 years ago
    by Chris Ayoub
  • Answered

    SN74LS07: Operating Vcc : 4.5V ~ 5.5V, what behavior do you expect? 0 Locked

    420 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LV175A: What is the output of Q when in power start up stage? 0 Locked

    337 views
    3 replies
    Latest over 4 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC8T245: SN74LVC8T245PWR - Query 0 Locked

    327 views
    1 reply
    Latest over 4 years ago
    by Emrys Maier
  • Answered

    TXB0104: TXB0104 application 0 Locked

    804 views
    9 replies
    Latest over 4 years ago
    by yu peng
  • Suggested Answer

    SN74HC573: Datasheet 0 Locked

    820 views
    1 reply
    Latest over 4 years ago
    by Rami Mooti1
  • Answered

    SN74AXCH8T245: Data Rate and Operating Frequency Translation 0 Locked

    1419 views
    3 replies
    Latest over 4 years ago
    by Rami Mooti1
  • Answered

    SN74AUC17: Question on IBIS model for this and 74AUC34 0 Locked

    525 views
    2 replies
    Latest over 4 years ago
    by Dale Blankenship1
  • Suggested Answer

    SN74AHC1G86-Q1: Schmitt-Trigger Action 0 Locked

    890 views
    4 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC2G07: VIH tolerance 0 Locked

    496 views
    5 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    LSF0204: schematic check with LSF0204 0 Locked

    452 views
    3 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    CD4043B: Thermal impedance of CD4043BD 0 Locked

    372 views
    4 replies
    Latest over 4 years ago
    by MESH
  • Answered

    SN74AXCH8T245: Bidirectional Level Shifters 1.5V to 3.3V that work at 100MHz 0 Locked

    1746 views
    5 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74AVC1T45: DRL Package Pin 1 0 Locked

    972 views
    4 replies
    Latest over 4 years ago
    by Don Schelle
  • Answered

    SN74AHCT1G125: ψjt mesurement condition 0 Locked

    373 views
    7 replies
    Latest over 4 years ago
    by Rami Mooti1
<>