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

    LSF0204: Pass transistor current 0 Locked

    356 views
    2 replies
    Latest over 1 year ago
    by Joshua Salinas
  • Suggested Answer

    SN74LV244A-EP: Theta JA for DW package type is different between SN74LV244A-EP and SN74LV244A commercial 0 Locked

    376 views
    2 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Answered

    CD4504B: CD4504B 0 Locked

    560 views
    8 replies
    Latest over 1 year ago
    by Varunesh Kumar
  • Suggested Answer

    LSF0108: Voltage on low side too high 0 Locked

    463 views
    9 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G11-Q1: SN74LVC1G11-Q1 Tthj 0 Locked

    340 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    CD4504B: 3.3 V to 15 V Translator with CD 4504 0 Locked

    444 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    5-8-LOGIC-EVM: LP2966IMM-1833/NOPB implementation 0 Locked

    401 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74HCS151: 8:1 digital mux (signal voltage > Vcc) 0 Locked

    383 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74221: SN74221NE4 regarding the pulse width related query 0 Locked

    467 views
    2 replies
    Latest over 1 year ago
    by Emrys Maier
  • Suggested Answer

    TXS0108E: TXS0108E 0 Locked

    317 views
    1 reply
    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    SN74HC126A: Datasheet 0 Locked

    285 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    TCAN2450-Q1 0 Locked

    519 views
    3 replies
    Latest over 1 year ago
    by Danny Bacic
  • Answered

    SN74LVC245A: device config comparison before/after PCN device 0 Locked

    531 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Answered

    TXB0102: Iq Supply Verification 0 Locked

    354 views
    3 replies
    Latest over 1 year ago
    by Marco Rojas
  • Answered

    SN74ALVC164245: Input and Output Not Matching in Some Instances 0 Locked

    429 views
    11 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Not Answered

    SN74LVC1G14: Strange output delay 0 Locked

    445 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74ALVCH16245: About bus-hold function 0 Locked

    374 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Not Answered

    SN74LVC1G11: AND gate is not providing the right o/p 0 Locked

    268 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN54LS08: Inquiry about Discontinued Model 0 Locked

    380 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G126: Output of SN74LVC1G125 when OE tie to reset signal during power ON 0 Locked

    668 views
    10 replies
    Latest over 1 year ago
    by user4090349
<>