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

    txs0104e translates down but not up? 0 Locked

    403 views
    2 replies
    Latest over 14 years ago
    by Tom Pierce
  • Answered

    Typical voltage drop across input to output path of SN74CBTLV16212 0 Locked

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

    nMOS symbol in transceivers, etc. 0 Locked

    1164 views
    2 replies
    Latest over 14 years ago
    by Anonymous
  • Answered

    SN74LVC244A exposed thermal pad dimension 0 Locked

    329 views
    2 replies
    Latest over 14 years ago
    by thunder yuan
  • Answered

    Logic gates DIP package? 0 Locked

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

    CD74HC123PW pulse width is different than calculated 3 sec delay. 0 Locked

    536 views
    3 replies
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    SN74LS244 0 Locked

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

    finding a voltage level translator IC 0 Locked

    601 views
    3 replies
    Latest over 14 years ago
    by nikhil n mane
  • Answered

    TXB0104 problem 0 Locked

    1819 views
    2 replies
    Latest over 14 years ago
    by Alvaro Querido
  • Answered

    SN74LV02A - ICC Max Current 5V - 20Ma 0 Locked

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

    SN74LVC1T45 0 Locked

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

    SN74LVC1G07 Open drain 0 Locked

    445 views
    2 replies
    Latest over 14 years ago
    by Chris Cockrill
  • Not Answered

    CD4070B Spice Model 0 Locked

    1460 views
    2 replies
    Latest over 14 years ago
    by Mark Stahl
  • Answered

    replacement for ST2378EBJR 0 Locked

    1351 views
    7 replies
    Latest over 14 years ago
    by ronen sharabi
  • Not Answered

    SN74AUC1G06 open drain output? 0 Locked

    307 views
    2 replies
    Latest over 14 years ago
    by philippe chabot
  • Answered

    SOLDER PROFILE OF SN74LVC245APW & SN74LVC07APW 0 Locked

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

    50MHz counter 0 Locked

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

    TCA8418 reset question 0 Locked

    1171 views
    5 replies
    Latest over 14 years ago
    by Hattie
  • Answered

    SN74LVC8T245DBR - 8-bit dual-supply bus transceiver 0 Locked

    359 views
    4 replies
    Latest over 14 years ago
    by Chris Cockrill
  • Discussion

    Suggestion for improvement of TCA6408A and similar devices... Locked

    497 views
    2 replies
    Latest over 14 years ago
    by Soren Steen Christensen
<>