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

    SN74LVC1G07: Need another device to replace SN74LVC1G07 0 Locked

    413 views
    1 reply
    Latest over 6 years ago
    by Emrys Maier
  • Answered

    SN74LVC2G17: SN74LVC2G17 0 Locked

    1220 views
    7 replies
    Latest over 6 years ago
    by Emrys Maier
  • Suggested Answer

    TXB0108: Logic forum 0 Locked

    2199 views
    5 replies
    Latest over 6 years ago
    by ShreyasRao
  • Suggested Answer

    SN74AHC1G14: VT+ and VT- in case of Vcc=2.4V, Vcc=2.5V or Vcc=2.7V 0 Locked

    394 views
    1 reply
    Latest over 6 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVCH244A: Input Voltage Rise time and Fall time 0 Locked

    409 views
    1 reply
    Latest over 6 years ago
    by ShreyasRao
  • Answered

    SN74AUP1T17: Level translation for 125MHz LVCMOS clock signal 0 Locked

    945 views
    3 replies
    Latest over 6 years ago
    by ShreyasRao
  • Suggested Answer

    SN74LV14A: Input impedance @Vcc=5.0V 0 Locked

    469 views
    1 reply
    Latest over 6 years ago
    by Emrys Maier
  • Answered

    SN74LVC1G125: RoHS2 0 Locked

    433 views
    1 reply
    Latest over 6 years ago
    by Emrys Maier
  • Answered

    TICPAL22V10Z-25C: Replacement part for TIBPAL22V10ACNT needed. 0 Locked

    695 views
    2 replies
    Latest over 6 years ago
    by Christian Lauruschkat
  • Answered

    SN74LVC157A: SN74LVC157A IOH current with Vcc = 3.3V 0 Locked

    545 views
    2 replies
    Latest over 6 years ago
    by Alex Yeh
  • Suggested Answer

    CD74HC573: About the TOP-SIDE MARKING of the device 0 Locked

    527 views
    2 replies
    Latest over 6 years ago
    by Emrys Maier
  • Not Answered

    SN74LVC1G08: Thermal Data for DSF Package 0 Locked

    676 views
    4 replies
    Latest over 6 years ago
    by Emrys Maier
  • Not Answered

    [FAQ] How do I determine the output voltage (VOH, VOL) or output current (IOH, IOL) of a CMOS logic device? 0 Locked

    17494 views
    0 replies
    Started over 6 years ago
    by Emrys Maier
  • Answered

    AND Gate Output State During Power-Up 0 Locked

    1228 views
    1 reply
    Latest over 6 years ago
    by Emrys Maier
  • Suggested Answer

    LSF0108: LSF0108 0 Locked

    411 views
    1 reply
    Latest over 6 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC06A: SN74LVC06A max freq. 0 Locked

    429 views
    1 reply
    Latest over 6 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1G123: Consumption Current 0 Locked

    278 views
    1 reply
    Latest over 6 years ago
    by Emrys Maier
  • Answered

    SN74AXC8T245: Can VCCA = VCCB? 0 Locked

    575 views
    2 replies
    Latest over 6 years ago
    by ShreyasRao
  • Suggested Answer

    TXB0108: TXB power-up requirements 0 Locked

    815 views
    6 replies
    Latest over 6 years ago
    by ShreyasRao
  • Answered

    LSF0108-Q1: VIL / VOL spce? 0 Locked

    468 views
    4 replies
    Latest over 6 years ago
    by ShreyasRao
<>