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

    SN74GTL2014: Open at channel A of SN74GTL2014 0 Locked

    321 views
    3 replies
    Latest over 1 year ago
    by Woon Nee Tan
  • Suggested Answer

    SN54HC08-SP: Radiation Data 0 Locked

    384 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Answered

    CD4093 incoming pulse shaping 0 Locked

    1225 views
    3 replies
    Latest over 1 year ago
    by Jerry Dobson
  • Suggested Answer

    SN74GTL2003: 1.8V to 3.3V, 3.3V pullup abnormal 0 Locked

    412 views
    8 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    TXS0101: TA>=105 degrees 0 Locked

    326 views
    2 replies
    Latest over 1 year ago
    by Joshua Salinas
  • Suggested Answer

    SN74AUP1T34: SN74AUP1T34DCK_Clarification on voltage levels 0 Locked

    425 views
    2 replies
    Latest over 1 year ago
    by Joshua Salinas
  • Suggested Answer

    CD4049UB: CD4049UBPWR 0 Locked

    322 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G04: Spike Voltage 0 Locked

    422 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    TXB0302: Question about data rate (timing requirements). 0 Locked

    389 views
    2 replies
    Latest over 1 year ago
    by Jack Guan
  • Answered

    SN74LVC3G14: Output Cap Load 0 Locked

    343 views
    2 replies
    Latest over 1 year ago
    by user5163865
  • Suggested Answer

    TXB0108: Out Voltage set to half voltage of Vccb 0 Locked

    308 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    TXS0104E-Q1: The voltages are abnormal 0 Locked

    861 views
    6 replies
    Latest over 1 year ago
    by Jack Guan
  • Answered

    SN74LVTH16245A-EP: Power Dissipation 0 Locked

    500 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Not Answered

    SN74AVCH24T245: spec check 0 Locked

    283 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    TXV0106-Q1: TI IBIS-AMI Model Request_TXV0106-Q1 & SN74AVC2T45-Q1 0 Locked

    469 views
    2 replies
    Latest over 1 year ago
    by Liang Barry
  • Suggested Answer

    SN74LVC74A: about Power Dissipation 0 Locked

    451 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74LVT245B: Life Cycle Survey and Shock and Vibration Test data 0 Locked

    318 views
    1 reply
    Latest over 1 year ago
    by Ian Graham
  • Suggested Answer

    SN54HC138-SP: IBIS model support 0 Locked

    364 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74HC109:PSpice Model 0 Locked

    515 views
    2 replies
    Latest over 1 year ago
    by Albert Xu1
  • Answered

    SN74HC595: unexpected output with OE was high 0 Locked

    469 views
    2 replies
    Latest over 1 year ago
    by Aki Li
<>