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

    SN74LVC1G04: Slow Clock 0 Locked

    1647 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74LVCH16T245: SN74LVCH16T245 Floating Inputs / Outputs 0 Locked

    541 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    TXS02612: SDIO Signal issue 0 Locked

    6412 views
    18 replies
    Latest over 7 years ago
    by Charles (KAT) Zhang
  • Suggested Answer

    TXS0104E: timing issue 0 Locked

    1677 views
    6 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    LSF0102: TRANSLATOR LSF0102DQER and SN74LV4T125PWR 0 Locked

    1764 views
    5 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74AVC16T245: SN74AVC16T245 voltage translation for <100Mbps 0 Locked

    509 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    sn74lvc1g97: Links to IBIS Models Appear to be Broken ... 0 Locked

    654 views
    3 replies
    Latest over 7 years ago
    by Michael J Schultis
  • Suggested Answer

    Voltage Translator Selection 0 Locked

    1303 views
    10 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74HC139-Q1: VIH_min and VIL_max value under Vcc=3.3V 0 Locked

    627 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    CD4047B: Pin 10 maximum output current/power 0 Locked

    603 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Not Answered

    "LM103" Product checking information related with National Semiconductor Parts 0 Locked

    619 views
    1 reply
    Latest over 7 years ago
    by Cameron Phillips
  • Suggested Answer

    TXS0102: Operating Junction Temperature 0 Locked

    500 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74HCT540: Looking for better parts 0 Locked

    544 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LS14: SN74LS14 0 Locked

    479 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC8T245: May SN74LVC8T245 Port B input maximum input current should be 50uA (ΔICCB)? 0 Locked

    525 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    CD74HC597: 74HC597D 0 Locked

    522 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    LSF0108: Voltage conversion of less than 3.3 V 0 Locked

    741 views
    3 replies
    Latest over 7 years ago
    by Simon Yan
  • Suggested Answer

    SN7407: AEC-Q100 Qualified Version 0 Locked

    1339 views
    5 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LV1T125: 3V3 pull-up resistor connected to input while VCC off 0 Locked

    709 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74LVC2G79: Clarification on CPD for LVC2G79 needed 0 Locked

    663 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
<>