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] Is it necessary to have pull-down( or pullup) resistor on the OE pin or can I connect it directly to TXS/ TXB supply?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ The OE ( output enable) is over voltage tolerant, high input impedance, active high enable pin for most of the TXS, TXB devices. If the IOs must be in high impedance during power…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] Can I connect the OE pin to Vccb supply pin instead of Vcca for TXS, TXB devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ The OE ( output enable) is active high CMOS high input impedance pin for most of the TXS and TXB devices. The OE is referenced to Vcca supply w.r.t the voltage levels. i.e The Vih…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the maximum output pulse length for a monostable multivibrator?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G123 FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ There is no official maximum output pulse length for a monostable multivibrator device, but there are practical limits. The…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] How stable is the output pulse length of a monostable multivibrator across changes in supply voltage?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G123 FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ This plot is from the SN74LVC1G123 datasheet. You can see that the "K" value decreases as the supply increases, but it also…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] How stable is the output pulse length of a monostable multivibrator across temperature?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ The application report Designing with the SN74LVC1G123 Monostable Multivibrator has some useful information regarding this. Essentially, the timing is primarily determined…
    • over 5 years ago
    • Logic
    • Logic forum
  • [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
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Answered

    SN74ALVCH32973: Drop in Alternative 0 Locked

    545 views
    1 reply
    Latest over 5 years ago
    by Chad Crosby
  • Answered

    Leadframe material - by package or family? 0 Locked

    1311 views
    3 replies
    Latest over 5 years ago
    by LeonardEllis
  • Suggested Answer

    SN74HCS72-Q1: Request for TINA-TI model 0 Locked

    878 views
    4 replies
    Latest over 5 years ago
    by Chad Crosby
  • Not Answered

    fixing simulation 0 Locked

    189 views
    2 replies
    Latest over 5 years ago
    by Chad Crosby
  • Suggested Answer

    SN74LVC1T45: Power up glitch on output 0 Locked

    387 views
    4 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    LSF0108: clarify pull-up requirement for low (A) side in DOWN translation 0 Locked

    322 views
    4 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    CD40109B: CD40109B 0 Locked

    420 views
    3 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    TIBPAL16R6-12M: TIBPAL16R6-12M 0 Locked

    252 views
    5 replies
    Latest over 5 years ago
    by Chris Flippen
  • Suggested Answer

    CD4044B: Can CD4044B work at 3.3V power supply? 0 Locked

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

    SN74AHC16373: Ibis Model 0 Locked

    295 views
    2 replies
    Latest over 5 years ago
    by user3620435
  • Suggested Answer

    SN74LV74A: parameters in datasheet 0 Locked

    289 views
    1 reply
    Latest over 5 years ago
    by Albert Xu1
  • Suggested Answer

    TXB0106: TXB0106 application 0 Locked

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

    SN74AVC4T245: Thermal information check 0 Locked

    200 views
    1 reply
    Latest over 5 years ago
    by Albert Xu1
  • Suggested Answer

    CD74HCT688: ESD rating and standard 0 Locked

    329 views
    4 replies
    Latest over 5 years ago
    by Carlo
  • Answered

    TXS0102: VOHB/VOLB 0 Locked

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

    SN74LVC1G175: What different about Ii and Icc of SN74LVC1G175 0 Locked

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

    SN74AVC4T774: maximum operating frequency on VccA=VccB=3.3v 0 Locked

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

    SN74AVC4T774: Driving ability of capacitive load SN74AVC4T774 0 Locked

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

    TXS0102: Marking issue 0 Locked

    366 views
    2 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    SN74LV221A: Replacing SN74HCT221A 0 Locked

    727 views
    5 replies
    Latest over 5 years ago
    by Harry McNally
<>