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
  • Not Answered

    TXB0108: TXB0108 about the frequency issue 0 Locked

    781 views
    1 reply
    Latest over 8 years ago
    by aozer
  • Answered

    SN74AUP1G04: CI of SN74AUP1G04 0 Locked

    687 views
    2 replies
    Latest over 8 years ago
    by ttd
  • Suggested Answer

    SN74AHC1G04: SN74AHC1G04DCKR - The variability of output resistance 0 Locked

    1004 views
    5 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Answered

    SN74AVCH4T245: SN74AVCH4T245 Junction Temp 0 Locked

    710 views
    1 reply
    Latest over 8 years ago
    by aozer
  • Not Answered

    TXB0108: i planned use TXB0108 but can it support 100MHz 0 Locked

    349 views
    1 reply
    Latest over 8 years ago
    by aozer
  • Suggested Answer

    SN74LVC1G3157: Application with negative Voltage 0 Locked

    775 views
    2 replies
    Latest over 8 years ago
    by Sanaz Takaghaj
  • Not Answered

    Alternate part number for SNJ54LS244J and SN55121J 0 Locked

    674 views
    1 reply
    Latest over 8 years ago
    by Joe Stephan
  • Suggested Answer

    SN74LV4T125: Voltage Translator Suggestion 0 Locked

    950 views
    4 replies
    Latest over 8 years ago
    by aozer
  • Suggested Answer

    TXB0104 drive strength 0 Locked

    772 views
    3 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Not Answered

    Automotive voltage level translation from 12V to 3.3V 0 Locked

    16732 views
    6 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    SN74ACT244: risk when Vcc=0V, input/output with high logic 0 Locked

    3219 views
    6 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    SN74AUP1G79 power up state 0 Locked

    1514 views
    5 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC2T45: Inverting version of 74LVC2T45 level shifter 0 Locked

    1842 views
    4 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    Non-Inverting Buffer with different input/output voltage 0 Locked

    873 views
    1 reply
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    How to select an appropriate level translator? 0 Locked

    2131 views
    3 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC8T245: 74LVC8T245 1.8V input driven with 1.5V logic driver 0 Locked

    906 views
    3 replies
    Latest over 8 years ago
    by aozer
  • Not Answered

    Bidirectional translation for SPI at 66MHz w/30pF load 0 Locked

    759 views
    2 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    SN74AVC32T245: Meeting timings after voltage level translator for High speed data bus 0 Locked

    639 views
    3 replies
    Latest over 8 years ago
    by aozer
  • Suggested Answer

    SN74221: SN74221: Resolution of the pulse generated 0 Locked

    655 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    For the txs0102 there is a requirement for VCCA<=VCCB. What happens to the device if this condition is not met? 0 Locked

    741 views
    3 replies
    Latest over 8 years ago
    by JC
<>