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

    SN74LVC1G07: SOT-23 support pin 0 Locked

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

    SN74LVC1G32: 74LVC1G32 drives MOSFET LED driver 0 Locked

    448 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    TXU0204: High level output current 0 Locked

    444 views
    5 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AUC2G07: VCC = 3.3V operation and VIH 0 Locked

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

    SN74LVC1G17-EP: SN74LVC1G17MDCKREP recommended temperature derating 0 Locked

    388 views
    3 replies
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74LV14A-Q1: About SN74LV14A-Q1's thermal information 0 Locked

    237 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Not Answered

    TXS0102: TXS0102DCTR marking 0 Locked

    363 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Answered

    SN74AXCH2T45: SN74AXCH2T45DCUR marking gap, 22JT vs. 22IT 0 Locked

    392 views
    5 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    SN74LVC8T245: Alternate Part Suggestion with Auto-Direction Control Feature 0 Locked

    276 views
    1 reply
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    TXV0106: There seems to be an error in the datasheet. (Including TXV0106-Q1) 0 Locked

    310 views
    1 reply
    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    SN74LVC1G58: Thermal information 0 Locked

    370 views
    4 replies
    Latest over 1 year ago
    by franziskus
  • Suggested Answer

    TXS0102-Q1: Effect of Supply Tolerance 0 Locked

    366 views
    5 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74AXC4T774-Q1: Thermal Pad connection 0 Locked

    410 views
    2 replies
    Latest over 1 year ago
    by jingjun zhao
  • Answered

    SN74LVC1G125: Why OUTPUT is pulled high when PinA reach to 756mV 0 Locked

    350 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G08-Q1: the state of input/output pin when VCC is under voltage 0 Locked

    447 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN54SLC8T245-SEP: Unused Pins - NC or Tie to GND with resistor? 0 Locked

    457 views
    4 replies
    Latest over 1 year ago
    by Moral Assraf
  • Not Answered

    SN74HCT273: SN74HCT273PWR Product performance consulting 0 Locked

    463 views
    12 replies
    Latest over 1 year ago
    by yingjiao LI
  • Answered

    SN74AUP1G17: Device drivability clarification 0 Locked

    328 views
    3 replies
    Latest over 1 year ago
    by Alder Lim
  • Suggested Answer

    CD74HCT154: Finding Replacements for Obsolete Part Numbers CD74HCT154EN and CD74HC154EN 0 Locked

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

    LSF0002: evaluation kit and IBIS model 0 Locked

    373 views
    2 replies
    Latest over 1 year ago
    by Jack Guan
<>