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

    SN74LVC08A: SN74LVC08A --misoperation --when Vin=1.5V 0 Locked

    781 views
    4 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    LSF0108-Q1: How to deal with the unused port 0 Locked

    540 views
    1 reply
    Latest over 5 years ago
    by Albert Xu1
  • Suggested Answer

    TXS0108E: Propagation delay time questions 0 Locked

    342 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    SN74HC157: Will occaisional slow transitions do any damage? 0 Locked

    392 views
    1 reply
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    Spice model 0 Locked

    622 views
    5 replies
    Latest over 5 years ago
    by Aradhyasambhu Satpathy
  • Answered

    SN74LVC8T245: SN74LVC8T245RHLR: A questions about the thermal pad of VQFN - 1 mm footprint. 0 Locked

    594 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    TXS0108E: TXS0108E - not working as expected. 0 Locked

    3201 views
    4 replies
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LV1T32: If the part is qualified by AEC-Q100? 0 Locked

    417 views
    4 replies
    Latest over 5 years ago
    by Alpha Ting
  • Suggested Answer

    TXS0102: TXS0102 Power-Up 0 Locked

    492 views
    3 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Not Answered

    TL431AQDBZRQ1- Texas Part Number 0 Locked

    191 views
    2 replies
    Latest over 5 years ago
    by Marcoo Z
  • Suggested Answer

    SN74GTL2003: GREF bias current question 0 Locked

    356 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    LSF0204: Alternate for LSF0204 for driving LED. 0 Locked

    635 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1T45: Level SHifter ffom uart 1,8 to uart 3,3 0 Locked

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

    SN74LV1T125: Can be 3.3V applied to input pin while Vcc is 0V? 0 Locked

    230 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Not Answered

    LSF0204: Design review request 0 Locked

    340 views
    7 replies
    Latest over 5 years ago
    by pragash sangaran78
  • Not Answered

    CD4541B: The outputs of 2 timers are out of sync 0 Locked

    677 views
    7 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Suggested Answer

    2N7001T: 20MHz Clock Translator 0 Locked

    1156 views
    13 replies
    Latest over 5 years ago
    by Dylan Hubbard
  • Answered

    SN74HCT245A: Difference between SN74HCT245A and SN74HCT245 0 Locked

    470 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74HC573A-Q1: Inquiry for spec of High-level input voltage when VCC=3.3V 0 Locked

    350 views
    1 reply
    Latest over 5 years ago
    by Clemens Ladisch
  • Answered

    voltage divider instead of translator 0 Locked

    1027 views
    4 replies
    Latest over 5 years ago
    by POTHIRAJAN KANDASAMY
<>