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

    SN74AVC8T245: Level translator with high-impedance output during powering up, but enabled automatically after power supply is stable 0 Locked

    834 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74AVC8T245: Should VQFN's thermal pad connect to GND? 0 Locked

    483 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Answered

    CD74HC123: Max power dissipation 0 Locked

    462 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    CD4046B: Phase lock loop 0 Locked

    398 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    TXB0104-Q1: unused pin 0 Locked

    814 views
    3 replies
    Latest over 7 years ago
    by ShreyasRao
  • Not Answered

    CY54FCT245T: I have doubt about the Icc 0 Locked

    370 views
    1 reply
    Latest over 7 years ago
    by Wade Vonbergen
  • Answered

    CD74HC221: CD74HC221M96 HBM ESD level? 0 Locked

    420 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74LVC2G08: please provide the pin to pin source same as NL27WZ08USG and package is US-8P 0 Locked

    405 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    RoHS (EU)2015/863 ? 0 Locked

    1601 views
    2 replies
    Latest over 7 years ago
    by Mark Frimann
  • Suggested Answer

    Asking for 10bit level shifter recommendation 0 Locked

    468 views
    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    SN74LVC240A: Can 8 LEDs be driven? 0 Locked

    622 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Answered

    SN74LV123A-Q1: Output pin state during power-up 0 Locked

    569 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Answered

    SN74LVC1T45: Pullup resistor value to reverse direction... 0 Locked

    690 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Answered

    SN74AHC541: Absolute Maximum Ratings of Tj 0 Locked

    657 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Answered

    SN74AHC541: Electrical Characteristics 0 Locked

    957 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Answered

    TXS0108E: using in I2C and SWD application at same time 0 Locked

    1254 views
    6 replies
    Latest over 7 years ago
    by Rohit Gujarathi
  • Answered

    SN74LVC1G123: Protection diode 0 Locked

    604 views
    3 replies
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74AVC16374: Max junction temp 0 Locked

    253 views
    1 reply
    Latest over 7 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74AVC2T45: VCCA/VCCB Power Sequencing 0 Locked

    451 views
    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    CD74HC4046A: FSK demodulation for 27MHz - with mark and space frequencies 4 KHz apart 0 Locked

    1306 views
    9 replies
    Latest over 7 years ago
    by Emrys Maier
<>