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] Difference between Multiplexer/De-multiplexer and Analog Switch

    Hari T O0
    Hari T O0
    Other Parts Discussed in Thread: TS5A3159-Q1 , TMUX1209 FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ Hi Team, May I know difference is there between mux/demux IC's and analog switch IC's? I'm comparing this in the context…
    • Answered
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] How do I determine the output voltage (VOH, VOL) or output current (IOH, IOL) of a CMOS logic device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ The high logic level output voltage of a logic device with no load will be the supply voltage. The output current of a logic device is determined by the load connected to the device…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What happens when I connect a logic device's output to a 50 ohm transmission line?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ Transmission lines cause a lot of confusion for engineers. I hope to clear up some of that here. I will break this up into a few sections, so if you already know something you can…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] Can I connect two outputs from a CMOS logic device together directly?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ **** It's important to note that this FAQ is in reference to CMOS devices. Bipolar devices should not be paralleled in this fashion. **** The primary concern with connecting outputs…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What does 'partial power down' or 'Ioff' mean in the datasheet?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ The " Ioff " specification in the electrical characteristics table is only in the datasheet of devices that have the special feature of " partial power down " - also known as " back…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] Why does my device not switch at VIH or VIL?

    Karan Kotadia
    Karan Kotadia
    Other Parts Discussed in Thread: SN74LVC1G08 FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ What is V IH and V IL ? JEDEC - V IH min is the least positive (most negative) value of high-level input voltage for which operation…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] How do I size pull-up or pull-down resistors?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74AUP1G34 FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ Pull-up and pull-down resistors are required in many logic systems to provide a valid logic state when a wire connected to a CMOS input…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the maximum data rate (or operating frequency) for a logic gate or buffer?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G34 , SN74LVC1G79 FAQ: Logic and Voltage Translation > Timing Parameters >> Current FAQ ** NOTE ** This FAQ is in reference to push-pull output devices. Open-drain outputs will inherently have slower operating…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the output voltage (VOH or VOL) when the output current is X or the supply voltage is Y?

    Karan Kotadia
    Karan Kotadia
    FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ There are circumstances where you might want to know a VOH or VOL Value that is not given. I will describe two cases: If you want VOH for a supply voltage that is not given (for…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] How do the LSF translators work?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: LSF0101 , LSF0002 , LSF0102 , LSF0204 , LSF0204D , LSF0108 , LSF0102-Q1 , LSF0204-Q1 , LSF0108-Q1 FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ The LSF family of translators generates more questions…
    • over 6 years ago
    • Logic
    • Logic forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Suggested Answer

    TXB0108: OE pin pull low 0 Locked

    462 views
    1 reply
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    SN74AVC8T245: Input Voltage Question 0 Locked

    278 views
    1 reply
    Latest over 5 years ago
    by ShreyasRao
  • Not Answered

    [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? 0 Locked

    2566 views
    0 replies
    Started over 5 years ago
    by ShreyasRao
  • Discussion

    [FAQ] Can I connect the OE pin to Vccb supply pin instead of Vcca for TXS, TXB devices? Locked

    2121 views
    0 replies
    Started over 5 years ago
    by ShreyasRao
  • Suggested Answer

    SN74LVC1G125: OP temp testing measure 0 Locked

    377 views
    4 replies
    Latest over 5 years ago
    by Karan Kotadia
  • Suggested Answer

    SN74AHCT126: Soldering Temperature Review Request 0 Locked

    518 views
    3 replies
    Latest over 5 years ago
    by Karan Kotadia
  • Suggested Answer

    LSF0108: the right solution for LPC ports application 0 Locked

    485 views
    3 replies
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    SN74AUP1G97: 24 Mhz frequency 0 Locked

    434 views
    2 replies
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    SN74HC594: Cross 0 Locked

    834 views
    4 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    SN74LVC244A: Output impedance with /OE = 0V always 0 Locked

    376 views
    3 replies
    Latest over 5 years ago
    by Emrys Maier
  • Answered

    SN74HC595: 8*8 LED Matrix 0 Locked

    3014 views
    2 replies
    Latest over 5 years ago
    by ShreyasRao
  • Suggested Answer

    Level Translator 0 Locked

    502 views
    2 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74HC21: SN74HC21 ESD HBM/CD/MM data 0 Locked

    315 views
    1 reply
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    CD54HCT574: CD54HCT574 ibis model consult 0 Locked

    368 views
    1 reply
    Latest over 5 years ago
    by ShreyasRao
  • Answered

    SN74AUC1G08: fast switch AND gate 0 Locked

    394 views
    1 reply
    Latest over 5 years ago
    by ShreyasRao
  • Suggested Answer

    SN74ACT244: SN74ACT244 output voltage when the two out pin short together 0 Locked

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

    SN74LS244: Logic forum 0 Locked

    1061 views
    6 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    LSF0102: LSF0102 output current with no Pullups on Port A 0 Locked

    724 views
    8 replies
    Latest over 5 years ago
    by Julian Affholderbach
  • Answered

    SN74LVC1G139: Looking for similar device that the temperature range are -40'C ~ 125'C 0 Locked

    480 views
    2 replies
    Latest over 5 years ago
    by Jack Tan80
  • Answered

    SN74LV07A: SN74LV07A:Undershoot 0 Locked

    531 views
    4 replies
    Latest over 5 years ago
    by user6213590
<>