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
  • Not Answered

    SN74LVC1G123: Delay Jitter 0 Locked

    533 views
    4 replies
    Latest over 1 year ago
    by Mitch Nelson
  • Suggested Answer

    SN74GTL2010: Design Support 0 Locked

    403 views
    3 replies
    Latest over 1 year ago
    by Jack Guan
  • Answered

    SN74AVCH1T45: The output termination of SN74AVCH1T45 0 Locked

    372 views
    3 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    SN74AUP2G08: How much negative voltage can the input port withstand? 0 Locked

    320 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LS138: 74LS138 G1 Enable pin - pulldown recommendation? 0 Locked

    371 views
    2 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC2G00W-EP: VOL 0 Locked

    224 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74LVC2G07-EP: VOL 0 Locked

    256 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    LSF0204: LSF0204PWR Single Supply Operation? 0 Locked

    320 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    TXS0108E: Application issues of chips 0 Locked

    373 views
    2 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    TXS0104E: USB VBBUS Level Shifting 0 Locked

    416 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN54LVC646A-SP: Vout,low,max at 20uA 0 Locked

    257 views
    2 replies
    Latest over 1 year ago
    by Sylvain Chuard
  • Answered

    SN74LVTH244A: Please let me know EAR number 0 Locked

    372 views
    1 reply
    Latest over 1 year ago
    by Motoyasu Hattori
  • Not Answered

    SN74AC244-Q1: Data sheet and website error 0 Locked

    197 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Answered

    SN74LVC1G123: Delay length and jitter 0 Locked

    420 views
    6 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Not Answered

    SN74HCS574: Wrong chip picture for DGS package? 0 Locked

    238 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    TXS0102-Q1: TXS0102QDCURQ1 pin to pin compatible part with VccB 1.8V supported 0 Locked

    491 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    SN74HCT04: SN74HCT04ANSR device marking 0 Locked

    390 views
    5 replies
    Latest over 1 year ago
    by Owen Westfall
  • Suggested Answer

    SN74LVC74A: Request regarding Junction temp 0 Locked

    256 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G332: Request regarding Junction temp 0 Locked

    267 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74ABT541B: Input Clamp Diode 0 Locked

    282 views
    2 replies
    Latest over 1 year ago
    by Clemens Ladisch
<>