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: Capacitor capacity which can be driven 0 Locked

    420 views
    1 reply
    Latest over 6 years ago
    by Clemens Ladisch
  • Answered

    SN74AHC125-Q1: Delay time: tpLH-tpHL 0 Locked

    748 views
    2 replies
    Latest over 6 years ago
    by Shinya Sawamoto
  • Suggested Answer

    Linux/LSF0108-Q1: Enable filter of LSF0108-Q1 0 Locked

    397 views
    2 replies
    Latest over 6 years ago
    by user5328361
  • Suggested Answer

    SN74LVC16T245: Power up sequence VCCB first, VCCA second 0 Locked

    861 views
    5 replies
    Latest over 6 years ago
    by ShreyasRao
  • Suggested Answer

    TXS4558: About VCC and VBATT 0 Locked

    744 views
    6 replies
    Latest over 6 years ago
    by ShreyasRao
  • Answered

    SN74HC125: Does the valid input voltage range depend on Vcc? 0 Locked

    884 views
    4 replies
    Latest over 6 years ago
    by ShreyasRao
  • Answered

    SN74AVC2T45: Bi-directional usage and PWM signal level translation 0 Locked

    1019 views
    10 replies
    Latest over 6 years ago
    by ShreyasRao
  • Suggested Answer

    TXS0108E: TXS0108E 0 Locked

    281 views
    1 reply
    Latest over 6 years ago
    by ShreyasRao
  • Suggested Answer

    About of SN74LV1T17's DataSheet 0 Locked

    852 views
    3 replies
    Latest over 6 years ago
    by Clemens Ladisch
  • Suggested Answer

    TINA/Spice/SN74AVC16T245: Output duty issue of SN74AVC16T245 spice models 0 Locked

    892 views
    9 replies
    Latest over 6 years ago
    by ShreyasRao
  • Answered

    SN74LVC8T245-EP: Clarity on power dissipation 0 Locked

    462 views
    4 replies
    Latest over 6 years ago
    by Wade Vonbergen
  • Suggested Answer

    SN74AUC2G125: YZP package damage - impact on funcianality 0 Locked

    1014 views
    4 replies
    Latest over 6 years ago
    by Dylan Hubbard
  • Suggested Answer

    CD4024B: CD4024BF and CD4024BE 0 Locked

    573 views
    2 replies
    Latest over 6 years ago
    by Wade Vonbergen
  • Suggested Answer

    SN74LVC125A: SN74LVC125APWR thermal data 0 Locked

    289 views
    1 reply
    Latest over 6 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC244A: high speed signal 0 Locked

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

    TXB0108: Output signal at high side (VCCb) is garbled 0 Locked

    1527 views
    16 replies
    Latest over 6 years ago
    by ShreyasRao
  • Suggested Answer

    Xilinx FPGA Development Software and DSP Core 0 Locked

    374 views
    1 reply
    Latest over 6 years ago
    by Ed Walker
  • Suggested Answer

    SN74LVC1G175: SN74LVC1G175 VIH/VIL 0 Locked

    742 views
    1 reply
    Latest over 6 years ago
    by Emrys Maier
  • Answered

    SN74AVC4T774: About Switching Characteristics spec 0 Locked

    307 views
    1 reply
    Latest over 6 years ago
    by ShreyasRao
  • Answered

    LMC567: EOL plan 0 Locked

    350 views
    1 reply
    Latest over 6 years ago
    by Alix Wan
<>