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

    SN74LV164A Output terminal state when the power OFF 0 Locked

    751 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    Searching footprint compatible LVT Alternative for Little-Logic Device 74LVC2G241DCT (which is in a 8-Pin SM8 DCT Package) 0 Locked

    1347 views
    4 replies
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    SN7414 vs. SN74LS14 HEX SCHMITT-TRIGGER INVERTER ? 0 Locked

    2602 views
    2 replies
    Latest over 9 years ago
    by ShreyasRao
  • Suggested Answer

    SN74ALS541 output interface with another TTL device 0 Locked

    1006 views
    3 replies
    Latest over 9 years ago
    by ShreyasRao
  • Answered

    question about the voltage spec of SN74HC595 . 0 Locked

    1214 views
    4 replies
    Latest over 9 years ago
    by ShreyasRao
  • Answered

    I2C problem with multiple TXS0108 on the same bus 0 Locked

    1665 views
    5 replies
    Latest over 9 years ago
    by Nirav Patel
  • Suggested Answer

    SN74LVC2G74Q1 Maximum Junction Temperature 0 Locked

    587 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    Input circuit of the sn74LVTH244A 0 Locked

    715 views
    2 replies
    Latest over 9 years ago
    by Anthony Monti
  • Suggested Answer

    over and under shoot of SN74AHC1G125 0 Locked

    952 views
    2 replies
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    LSF0204 Termination of unused gates 0 Locked

    1366 views
    1 reply
    Latest over 9 years ago
    by Clemens Ladisch
  • Not Answered

    TXS0108 0 Locked

    644 views
    1 reply
    Latest over 9 years ago
    by Nirav Patel
  • Answered

    digital /analog switch/multiplexer for RS232 signals 0 Locked

    6713 views
    7 replies
    Latest over 9 years ago
    by rifo
  • Not Answered

    Birectional buffer recommendation 0 Locked

    2374 views
    11 replies
    Latest over 9 years ago
    by rifo
  • Suggested Answer

    SN74LVC244A and SN74LVC32244 bandwidth range 0 Locked

    888 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Suggested Answer

    LSF0108 translation 1.8V/3.3V 0 Locked

    1027 views
    2 replies
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    The SPEC of SN74AVC8T245 input transition rise or fall rate 0 Locked

    537 views
    1 reply
    Latest over 9 years ago
    by Nirav Patel
  • Not Answered

    CAHCT1G126QDCKRQ1 - maximum load capacitance? 0 Locked

    938 views
    1 reply
    Latest over 9 years ago
    by Clemens Ladisch
  • Not Answered

    SN74LVC8T245: /OE pull-up R does not seperate ports during VCCA power down? 0 Locked

    842 views
    3 replies
    Latest over 9 years ago
    by Olaf Albert
  • Answered

    SN74LVC1G14 / DSF Package Terminal Assignments 0 Locked

    1467 views
    6 replies
    Latest over 9 years ago
    by S.Satoshi
  • Not Answered

    SN74LVC2G66 power off state 0 Locked

    1318 views
    3 replies
    Latest over 9 years ago
    by ShreyasRao
<>