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

    SN74HCT273: Electrical characteristics of VOH and VOL 0 Locked

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

    SN74AVC8T245: unrecommended range 1.2V to 1.4V 0 Locked

    255 views
    1 reply
    Latest over 3 years ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74AXC4T245: VOH and VOL 0 Locked

    266 views
    2 replies
    Latest over 3 years ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74LV541AT: Can SN74LV541 support 3.3Vcc? 0 Locked

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

    SN74AUP2G04: Jittery output for 100K self bias feedback resistor 0 Locked

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

    SN74LVC1T45-Q1: Risk on power up VCCA before VCCB 0 Locked

    393 views
    3 replies
    Latest over 3 years ago
    by Michael Ikwuyum
  • Suggested Answer

    SN54SLC8T245-SEP: cold-sparing 0 Locked

    504 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC138A: Spice Model 0 Locked

    587 views
    4 replies
    Latest over 3 years ago
    by Owen Westfall
  • Suggested Answer

    TXU0104-Q1: TXU0104 0 Locked

    302 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    Surge protection 0 Locked

    218 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC16244A: output clamping current 0 Locked

    348 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    AND gate for Laser System 0 Locked

    379 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AUC2G04: Vin vs Vout graph. 0 Locked

    622 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G175-EP: Initial value of Q output 0 Locked

    331 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G97: rise time and fall time 0 Locked

    417 views
    2 replies
    Latest over 3 years ago
    by Shinichi Inoue
  • Answered

    SN74LVTH16244A: Very high pullup resistor used to input with bus hold circuit 0 Locked

    1034 views
    6 replies
    Latest over 3 years ago
    by ArTzy
  • Suggested Answer

    SN74AUC2G04: TI product practices and design methods especially for SN74AUC2G04 0 Locked

    256 views
    1 reply
    Latest over 3 years ago
    by Emrys Maier
  • Not Answered

    SN54ABT16245A: BUFFER 0 Locked

    188 views
    1 reply
    Latest over 3 years ago
    by Owen Westfall
  • Suggested Answer

    SN74AXCH2T45: The silk screen does not conform to the specification 0 Locked

    485 views
    6 replies
    Latest over 3 years ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74LVC245A: How to test Voh and Vol spec. 0 Locked

    943 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
<>