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

    SN74AVC4T245: Why would the part use excess current 0 Locked

    952 views
    7 replies
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    TXS0108E: In push-pull application 0 Locked

    903 views
    1 reply
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    SN74LVC2G06: Want to know its output capacitance 0 Locked

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

    SN74LV1T126: SPICE Model 0 Locked

    405 views
    1 reply
    Latest over 5 years ago
    by Chad Crosby
  • Suggested Answer

    LSF0108: application issue of LSF0108 0 Locked

    1284 views
    6 replies
    Latest over 5 years ago
    by Milo Wang
  • Suggested Answer

    SN74LS145: Replacement Part with Higher Thermal Operating Condition in the the Same Package 0 Locked

    485 views
    3 replies
    Latest over 5 years ago
    by Chad Crosby
  • Suggested Answer

    SN74LVTH125: Parallel buffers to drive 50-ohm load 0 Locked

    1001 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AHCT08Q-Q1: SN74AHCT08Q-Q1: floating connections 0 Locked

    570 views
    4 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    CD4013B: Parasitic Capacitance 0 Locked

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

    SN74LV1T34: Looking for a footprint compatible part with lower Vih specification. 0 Locked

    393 views
    4 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AUP2G08: SN74AUP2G08 power assumption 0 Locked

    658 views
    5 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN84LS379 ? 0 Locked

    383 views
    2 replies
    Latest over 5 years ago
    by Jim Davenport
  • Suggested Answer

    SN74LVC2G125: SN74LVC2G125 0 Locked

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

    SN74AXC8T245: GPIOs behavior when VCCA or VCCB not present 0 Locked

    362 views
    5 replies
    Latest over 5 years ago
    by jacques napoleoni
  • Answered

    SN74LVC8T245: Power on Sequencing 0 Locked

    1595 views
    8 replies
    Latest over 5 years ago
    by Songzhen Guo
  • Answered

    SN74LVC1G08: Leak Path 0 Locked

    318 views
    8 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    Schmitt trigger input with 5v to 3.3v level shift 0 Locked

    2429 views
    3 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74HCT04: Wave soldering for SOIC package 0 Locked

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

    SN74AVC2T245: any risk to connect OE pin to ground directly? 0 Locked

    449 views
    4 replies
    Latest over 5 years ago
    by jack rao
  • Answered

    SN7400: SN7400 0 Locked

    453 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
<>