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
  • Suggested Answer

    TXB0104-Q1: Could this damage the TXB0104 in such application? 0 Locked

    679 views
    11 replies
    Latest over 2 years ago
    by Nan Zhang
  • Answered

    SN74HC373: maximum current 0 Locked

    500 views
    3 replies
    Latest over 2 years ago
    by Emrys Maier
  • Answered

    TXS0108E: Powe up sequence 0 Locked

    450 views
    5 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74AVC4T774: High-impedance 0 Locked

    504 views
    3 replies
    Latest over 2 years ago
    by Hale Tan
  • Suggested Answer

    SN74HC365: output voltage 0 Locked

    397 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74HC14: output voltage 0 Locked

    418 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    15v to 3.3v level shifter 0 Locked

    646 views
    3 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G17: Missing Footprint 0 Locked

    598 views
    8 replies
    Latest over 2 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1G74: Need Transient SPICE Model for simulation 0 Locked

    1334 views
    3 replies
    Latest over 2 years ago
    by Emrys Maier
  • Suggested Answer

    SN74AXC1T45: What is the difference between SN74AVX and SN74AXC series devices? 0 Locked

    1067 views
    1 reply
    Latest over 2 years ago
    by Michael Ikwuyum
  • Answered

    TXS0108E: VOHA/VOHB specification 0 Locked

    330 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G125-Q1: Iq current requirement 0 Locked

    418 views
    3 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC157A: SN74LVC157ARGYR Max Junction Temperature 0 Locked

    375 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74AXC8T245: VQFN Package Exposed Pad Connection 0 Locked

    443 views
    2 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC2G74-Q1: The max pulse current into the output pin 0 Locked

    421 views
    3 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    TXB0104: Throughput of TXB0104 & TXB0106 0 Locked

    796 views
    13 replies
    Latest over 2 years ago
    by Binu Raj S
  • Answered

    SN74HC165: GPIO extension for microcontroller in combination with the SN74HC595 0 Locked

    842 views
    3 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74HCS244: SN74HCS244 0 Locked

    328 views
    2 replies
    Latest over 2 years ago
    by Elena Faventi
  • Suggested Answer

    SN74HC573A: Outputs going high during power cycle for short duration. 0 Locked

    943 views
    6 replies
    Latest over 2 years ago
    by Omprakash Sankaran
  • Suggested Answer

    SN74LXC1T14: Level translation from IO level to 28V 0 Locked

    438 views
    1 reply
    Latest over 2 years ago
    by Michael Ikwuyum
<>