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
  • Not Answered

    TXB0304: Overshoot at TXBN0304RUTR output 0 Locked

    277 views
    1 reply
    Latest over 4 years ago
    by Dylan Hubbard
  • Suggested Answer

    LSF0108-Q1: Higher Output Voltage than Supply Reference Voltage of Level Shifter 0 Locked

    571 views
    7 replies
    Latest over 4 years ago
    by Emrys Maier
  • Answered

    SN74LVC1G123: A device that will automatically pulse for 1 second after the board has been powered on 0 Locked

    574 views
    5 replies
    Latest over 4 years ago
    by Danilo A.
  • Answered

    SN74AHC541: SN74AHC541QPWRG4Q1 IN THIS BUFFER SUPPORT 3MHz ARE NOT 0 Locked

    378 views
    3 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC2G07: About the part number suffix 0 Locked

    602 views
    1 reply
    Latest over 4 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AC244: SN74AC244NSR ESD Rating 0 Locked

    263 views
    1 reply
    Latest over 4 years ago
    by Rami Mooti1
  • Answered

    TXS0108E: Unused channels 0 Locked

    347 views
    3 replies
    Latest over 4 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1T45: Degrading Temperature 0 Locked

    216 views
    3 replies
    Latest over 4 years ago
    by Rami Mooti1
  • Answered

    SN74LV1T125: SN74LV1T125DBVR - CMOS and TTL interface 0 Locked

    677 views
    4 replies
    Latest over 4 years ago
    by Rami Mooti1
  • Suggested Answer

    TXB0104: The data I/Os of TXB0104 must have drive strength of at least ±2mA. How figure the 2mA out? 0 Locked

    301 views
    1 reply
    Latest over 4 years ago
    by Rami Mooti1
  • Suggested Answer

    SN74LVC1G02: propagation delay 0 Locked

    355 views
    1 reply
    Latest over 4 years ago
    by Emrys Maier
  • Answered

    SN74LV165A: SN74LV165A SER pin usage 0 Locked

    614 views
    1 reply
    Latest over 4 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1G123: Operation 0 Locked

    217 views
    1 reply
    Latest over 4 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC1G00: Device is un-powered while inputs are still toggling. Is it safe to assume output in '0'? 0 Locked

    368 views
    3 replies
    Latest over 4 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC125A: 3.3VDC Chips do not have a DIP Package, only 5V chips have DIP package option. 0 Locked

    617 views
    2 replies
    Latest over 4 years ago
    by Clemens Ladisch
  • Answered

    SN74LVT125: Behavior with Hi-z input at startup 0 Locked

    701 views
    16 replies
    Latest over 4 years ago
    by Chad Crosby
  • Suggested Answer

    TXS02612: Initialization of SD card after SEL 0 Locked

    335 views
    1 reply
    Latest over 4 years ago
    by Dylan Hubbard
  • Suggested Answer

    TXB0104: SPI 3.3v to 1.5V voltage translator - Maximum SPI clock? 0 Locked

    531 views
    2 replies
    Latest over 4 years ago
    by Dylan Hubbard
  • Answered

    SN74AHC1G14: input clamp diodes and the value of Iik 0 Locked

    447 views
    1 reply
    Latest over 4 years ago
    by Chad Crosby
  • Not Answered

    Cd4013be damaged 0 Locked

    173 views
    1 reply
    Latest over 4 years ago
    by Chad Crosby
<>