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

    SN74LVC2G17: Recommended rise time and fall time specification 0 Locked

    537 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Not Answered

    SN74LVC1T45: How to let the output from 0 down to -0.7v 0 Locked

    166 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74AHC1G04: Pspice for TI model for this part generates simulation error 0 Locked

    465 views
    3 replies
    Latest over 4 years ago
    by Henri Girard
  • Answered

    LSF0108: Voltage Level Translator Bidirectional 1 Circuit 8 Channel 0 Locked

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

    SN74HC257: Tj(max) for SN74HC257, CD74HC4075 and SN74HC86 0 Locked

    572 views
    5 replies
    Latest over 4 years ago
    by Emrys Maier
  • Suggested Answer

    SN54LVTH16244A: SN54LVTH16244A 0 Locked

    260 views
    1 reply
    Latest over 4 years ago
    by Rami Mooti1
  • Suggested Answer

    SN74LVC1G74: PRE=L CLR=L ,what will be the output Q? 0 Locked

    1324 views
    16 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74HCS00: 74HCS gates' Cpd 0 Locked

    1004 views
    1 reply
    Latest over 4 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LXC8T245: Single channel bidirectional voltage translator with schmitt trigger input, direction control pin and can translate from 3.3V to 5V 0 Locked

    637 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Not Answered

    SN74LVC16T245: Thermal Shock 0 Locked

    593 views
    3 replies
    Latest over 4 years ago
    by Rami Mooti1
  • Suggested Answer

    SN74LVC2G17-EP: 5V Tolerant Schmitt trigger? 0 Locked

    697 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC2G17-EP: 5V tolerant? 0 Locked

    559 views
    1 reply
    Latest over 4 years ago
    by Rami Mooti1
  • Answered

    TXB-EVM: TXS-EVM 3D Files 0 Locked

    506 views
    2 replies
    Latest over 4 years ago
    by Carlo
  • Answered

    CD74HC4046A: Operation of CD74HC4046A phase comparator in MHz band 0 Locked

    1160 views
    6 replies
    Latest over 4 years ago
    by Emrys Maier
  • Answered

    TXB0101: Could TXB0101 use 3.3V supply when transfer 3.3V to 1.8V? 0 Locked

    640 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AHC1G08-Q1: schmitt trigger input 0 Locked

    488 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74LV595A: questions 0 Locked

    490 views
    4 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LV8151: Thermal Information 0 Locked

    287 views
    3 replies
    Latest over 4 years ago
    by Rami Mooti1
  • Suggested Answer

    SN74F541: Logic compatibility with XC7A200T 0 Locked

    330 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74HCS273-Q1: how to change ibs to lib for SN74HCS273-Q1 0 Locked

    498 views
    1 reply
    Latest over 4 years ago
    by Emrys Maier
<>