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
  • Not Answered

    SN74LV1T126: Having 3.3V signal into this buffer w/ 1.8V power for the OE pin 0 Locked

    526 views
    1 reply
    Latest over 5 years ago
    by Karan Kotadia
  • Suggested Answer

    TXS0108E: About Vcca(or Vccb) 0 Locked

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

    TXB0104-Q1: When unused pin is open 0 Locked

    418 views
    2 replies
    Latest over 5 years ago
    by Lee, Sam
  • Suggested Answer

    SN74LV1T126: SN74LV1T126 vout 0 Locked

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

    SN74ALVC164245: sn74alvc164245 table 3 question 0 Locked

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

    SN74LVC1T45: Level translator cutsom board not providing desired output after 2Mhz 0 Locked

    784 views
    7 replies
    Latest over 5 years ago
    by Gavi Siddu
  • Answered

    TXS02326A: BSI input of TXS02326A 0 Locked

    863 views
    8 replies
    Latest over 5 years ago
    by Lyudmila Voronina
  • Answered

    SN74LVC2G14: what is VT+ voltage range when VCC=5.0V 0 Locked

    559 views
    3 replies
    Latest over 5 years ago
    by Karan Kotadia
  • Answered

    SN74AVC2T245: what happens to A1 pin when B 1 is floating? 0 Locked

    276 views
    2 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    LSF0102: Single Supply Translation 0 Locked

    344 views
    1 reply
    Latest over 5 years ago
    by Karan Kotadia
  • Answered

    SN74LVC1G125: power up performance 0 Locked

    383 views
    3 replies
    Latest over 5 years ago
    by Karan Kotadia
  • Answered

    LSF0102: Voltage Translator for MDIO/MDC application 0 Locked

    1244 views
    7 replies
    Latest over 5 years ago
    by Karan Kotadia
  • Suggested Answer

    SN74128: Military grade still with a 50 load? The SN54128 is military grade but with a 75 load 0 Locked

    525 views
    3 replies
    Latest over 5 years ago
    by Karan Kotadia
  • Answered

    SN74LVC257A: Max Bandwidth 0 Locked

    429 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    SN74AVC2T245: what happens to output A if there is no power on pin VCCB? 0 Locked

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

    SN74LV1T126: higher current alternative 0 Locked

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

    SN74AVC16T245: Output Resistor necessary? 0 Locked

    403 views
    4 replies
    Latest over 5 years ago
    by Haje
  • Answered

    SN74LVC2G06: DCKR 0 Locked

    484 views
    2 replies
    Latest over 5 years ago
    by User31000
  • Suggested Answer

    TXS0108E: output keep low when disable (OE=low) 0 Locked

    2657 views
    12 replies
    Latest over 5 years ago
    by CK Ho
  • Answered

    SN74AHCT08: Max Junction Temperature for Package SOIC - D 0 Locked

    302 views
    1 reply
    Latest over 5 years ago
    by Karan Kotadia
<>