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

    SN74LS640: About AC characteristic 0 Locked

    160 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN74AXC1T45: PSPICE model / current consumption 0 Locked

    469 views
    4 replies
    Latest over 3 years ago
    by Jan Witte
  • Suggested Answer

    SN74AHC574: OUTPUT waveform unstable and there is not CLKOUT 0 Locked

    878 views
    15 replies
    Latest over 3 years ago
    by Hanmin Zhang
  • Answered

    SN74HC153: SN74HC153NSR:ESD data request 0 Locked

    322 views
    1 reply
    Latest over 3 years ago
    by Emrys Maier
  • Answered

    SN74AVC4T234: Maximum data rate at 1.2V / 80 MHz clock and 160 Mbps DDR data rate 0 Locked

    868 views
    4 replies
    Latest over 3 years ago
    by Clemens Ladisch
  • Not Answered

    SN74AUP1T08: Can they use SN74AUP1G08 instead? 0 Locked

    310 views
    2 replies
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    CD4046B: Multiplication circuit to be locked on a range of frequencies from 47 Hz to 63 Hz. 0 Locked

    1216 views
    1 reply
    Latest over 3 years ago
    by Emrys Maier
  • Not Answered

    SN74HC86: in someone batch, product can't work stably and the current increase continually. 0 Locked

    463 views
    5 replies
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN74LVT244B: Isolation level 0 Locked

    299 views
    4 replies
    Latest over 3 years ago
    by Kazuhiko Hirano
  • Suggested Answer

    SN74LVTH244A: Bit-to-Bit skew and Part-to-Part skew 0 Locked

    388 views
    1 reply
    Latest over 3 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC86A: different bottom marking from different suppliers 0 Locked

    382 views
    7 replies
    Latest over 3 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC8T245: channel-to-channel and part-to-part skew 0 Locked

    399 views
    1 reply
    Latest over 3 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC8T245: SN74LVC8T245\Maximum supported clock rate 0 Locked

    257 views
    1 reply
    Latest over 3 years ago
    by Dylan Hubbard
  • Suggested Answer

    TIBPAL16R4-15M: Partner Programmer 0 Locked

    234 views
    2 replies
    Latest over 3 years ago
    by Emrys Maier
  • Answered

    SN74HC245A: Missing Datasheet 0 Locked

    345 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74HCS238: Compatibility verification with CPLD(ICE40UP5K-SG48I) 0 Locked

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

    Comparator 0 Locked

    426 views
    7 replies
    Latest over 3 years ago
    by Sylvain
  • Suggested Answer

    SN74LS122: MC8601 to SN74LS122 0 Locked

    750 views
    7 replies
    Latest over 3 years ago
    by Emrys Maier
  • Answered

    SN74AXC8T245: Any similar devices having Level 2/3 Isolation? 0 Locked

    232 views
    2 replies
    Latest over 3 years ago
    by Kazuhiko Hirano
  • Suggested Answer

    SN74LVC2G17-Q1: Could you please give me SN74LVC2G17-Q1 information? 0 Locked

    356 views
    3 replies
    Latest over 3 years ago
    by Emrys Maier
<>