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

    SN74LVC1G126: possible to have 5V input with SN74LVC1G126? 0 Locked

    344 views
    2 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    SN74AHC1G08: SN74AHC1G08DBVR Tc 0 Locked

    312 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    SN74LVC138A: Is MTBF increasing if you have 5V in on the signals 0 Locked

    359 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    SN74AVC4T774: SN74AVC4T774 application problems 0 Locked

    417 views
    2 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    TC7SZ08F replacement 0 Locked

    251 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    HC00 and part numbers 0 Locked

    546 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AVC2T45: HDMI level Shift, require max data rates is 1Gbps. 0 Locked

    447 views
    3 replies
    Latest over 5 years ago
    by David (ASIC) Liu
  • Suggested Answer

    SN74LVC1G17: SN74LVC1G17DCK input is bipolar or CMOS input 0 Locked

    343 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    TXB0108: tpd is beyond the specification in the datasheet 0 Locked

    246 views
    2 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    CD4504B-EP: SPICE Model 0 Locked

    579 views
    1 reply
    Latest over 5 years ago
    by Wade Vonbergen
  • Answered

    SN74LVT16245A: About a input signal frequency. 0 Locked

    290 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G02: Typical Icc of SN74LVC1G02 0 Locked

    532 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    SN74LS624: Crystal connection method and internal circuit 0 Locked

    1326 views
    2 replies
    Latest over 5 years ago
    by user6165533
  • Suggested Answer

    SN74LVC14A: SN74LVC14APW: input port protection circuit 0 Locked

    1673 views
    11 replies
    Latest over 6 years ago
    by Karan Kotadia
  • Suggested Answer

    SN74AVC2T244: Need Thermal Details 0 Locked

    331 views
    1 reply
    Latest over 6 years ago
    by Karan Kotadia
  • Suggested Answer

    SN74LVC1T45: Not able to import in TINA 0 Locked

    258 views
    1 reply
    Latest over 6 years ago
    by Karan Kotadia
  • Suggested Answer

    Voltage Translator Compliant to SD 3.0 0 Locked

    615 views
    2 replies
    Latest over 6 years ago
    by Art Mecina
  • Answered

    SN74LVC8T245: Output stage question 0 Locked

    503 views
    2 replies
    Latest over 6 years ago
    by Clemens Ladisch
  • Answered

    SN74LS139A: Output States without Power 0 Locked

    305 views
    1 reply
    Latest over 6 years ago
    by Dylan Hubbard
  • Answered

    SN74AXC4T774: BUS contention 0 Locked

    682 views
    4 replies
    Latest over 6 years ago
    by Clemens Ladisch
<>