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

    SN74AVCA406: MAX Clock speed 0 Locked

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

    SN74HCS594: Table 8-1 0 Locked

    289 views
    1 reply
    Latest over 2 years ago
    by Jack Campbell
  • Answered

    SN74LV123A: is the part a proper alternative for Nexperia 74HC123 0 Locked

    484 views
    1 reply
    Latest over 2 years ago
    by Jack Campbell
  • Suggested Answer

    SN74LVC2G126: Pull-up resistor on output 0 Locked

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

    SN74LVC16245A: SN74LVC16245 vs SN74LVCH16245 0 Locked

    309 views
    1 reply
    Latest over 2 years ago
    by Jack Campbell
  • Answered

    SN74AHC244-Q1: TAPE DIMENTIONS 0 Locked

    317 views
    3 replies
    Latest over 2 years ago
    by Albert Xu1
  • Answered

    SN74AHCT244Q: What is a Q device? 0 Locked

    278 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0104-Q1: TXB0104-Q1 RECOMMEND for level shift the directions signal only 0 Locked

    386 views
    3 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Not Answered

    SN54SLC8T245-SEP: Maximum operating frequency. 0 Locked

    288 views
    3 replies
    Latest over 2 years ago
    by Dan Oliver
  • Suggested Answer

    LSF0101: X2SON DTQ0006A Footprint 0 Locked

    641 views
    10 replies
    Latest over 2 years ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74AVC8T245-Q1: internal delamination of the device 0 Locked

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

    SN74AVC16T245: The output caused by invalid input logic level 0 Locked

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

    SN74HC541: A method to prevent leakage current from being connected from IO to VCC 0 Locked

    270 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Not Answered

    TXB0104-Q1: TXB0104-Q1 circuit problem and current backflow problem 0 Locked

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

    TXU0101: Layout guidance results in permanently disabled IC 0 Locked

    224 views
    3 replies
    Latest over 2 years ago
    by Jack Guan
  • Suggested Answer

    SN74LV6T17: SN74LV6T17 - not able to find the land pattern 0 Locked

    245 views
    1 reply
    Latest over 2 years ago
    by Swathi D
  • Answered

    SN74LVC1G123: Is there a version with inverted output? 0 Locked

    400 views
    2 replies
    Latest over 2 years ago
    by user6067694
  • Answered

    SN74HC688: Replace NXP's 74HC688 0 Locked

    317 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LS04: ESD data request 0 Locked

    209 views
    1 reply
    Latest over 2 years ago
    by Malcolm Lyn
  • Answered

    CD74HC151: ESD data request 0 Locked

    232 views
    1 reply
    Latest over 2 years ago
    by Malcolm Lyn
<>