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 do I configure a monostable multivibrator's inputs for rising/falling edge triggering?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G123 FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ Logic function table for the SN74LVC1G123 Most monostable multivibrator (MMV) devices have very similar logic tables to…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] With Open-Drain outputs, can I ...use them to shift a logic voltage level? ...connect the outputs directly together? ...force a voltage node to zero?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G123 FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ The answer to all three questions is "yes" - these are the three primary uses of open-drain outputs on logic devices. Much of this also…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] Can I connect the Cext pin to ground on a monostable multivibrator?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LV221A , SN74LVC1G123 , SN74LV123A , SN74221 , SN74LS221 FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ For the majority of MMV devices, y es, the Cext pin can be grounded. The Cext…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] How do you determine the output pulse width and the 'K' value for a monostable multivibrator?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ The output pulse width (tw) is determined with the following equation: tw = K * R * C with R := external timing resistor, C := external timing capacitor, K := timing constant…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] How do I terminate an unused channel of a monostable multivibrator (one shot)?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LV221A FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ Unused channels for a logic monostable multivibrator (MMV) such as the SN74LV221A should be terminated such that: (1) All inputs…
    • over 5 years ago
    • Logic
    • Logic forum
  • [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
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Suggested Answer

    TXS0104E: VCCA voltage < VCCB 0 Locked

    499 views
    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Answered

    TXS0102: TXS0102 technical question 0 Locked

    1027 views
    4 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1T45: powered down voltage 0 Locked

    398 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC8T245: θjc and Tj of SN74LVC8T245 and SN74LV244A 0 Locked

    455 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC1G08: SN74LVC1G08DCKR pin Y output without Vcc resistivity 0 Locked

    386 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74ABT244A: Is this device using any SEL hardening strategies 0 Locked

    497 views
    3 replies
    Latest over 7 years ago
    by Wade Vonbergen
  • Suggested Answer

    Voltage Level Translator (3.3V to 1.8V Bidirectional) 0 Locked

    2352 views
    8 replies
    Latest over 7 years ago
    by Hari T O0
  • Answered

    SN74LVC3G34: SN74LVC3G34 / Junction-to-case thermal resistance 0 Locked

    486 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    TXS0104E: what's the voltage level of IO port 0 Locked

    737 views
    4 replies
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    SN74AHC123A: K Value Over Cap and Temp 0 Locked

    551 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74AHC1G09: function table 0 Locked

    539 views
    2 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    LSF0108: LSF0108 0 Locked

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

    CD74HCT4046A: CD74HCT4046A 0 Locked

    1748 views
    8 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    LSF0108: Unexpected voltage level for SPI MISO signal 0 Locked

    2099 views
    5 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LV1T34: LV1T ICC vs VIN for VDD = 5V 0 Locked

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

    SN74HC573A: Output 3 State Question 0 Locked

    569 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVCH16T245: No monotonic signal rise at the thresholds when SN74LVCH16T245 is used as source IBIS. 0 Locked

    1363 views
    5 replies
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    TXS0102: TPS22920 Manufacturing Question 0 Locked

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

    TXB0304: TXBN0304RSVR: using pull-ups and pull-downs 0 Locked

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

    SN74AHCT16245: question on overshoot tolerance on I/O pins 0 Locked

    561 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
<>