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

    LSF0108: The leakage current is observed when the EN pins are not connected to a pull-up resistor 0 Locked

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

    LSF0102: Vref_A I2C pull high resistor. 0 Locked

    383 views
    2 replies
    Latest over 2 years ago
    by Brian Chan
  • Answered

    SN74HCS165: Reading capacitive touch sensor matrix 0 Locked

    1463 views
    4 replies
    Latest over 2 years ago
    by Den L
  • Suggested Answer

    SN74BCT25244: Driving 74BCT25244 BiCMOS octal buffer with 74LS? 0 Locked

    218 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0304: LEVEL TRANSLATOR FOR PSEUDO OPEN DRAIN CONFIGURATION 0 Locked

    389 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    LSF0108: When using LSF0108, we found that the rising edge of the A-B direction waveform was very slow 0 Locked

    327 views
    2 replies
    Latest over 2 years ago
    by yanggang5
  • Answered

    SN74LVC8T245: How to calculate ICC 0 Locked

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

    SN74LVCH8T245: Max operating frequency from 1.8V to 3.3V 0 Locked

    238 views
    1 reply
    Latest over 2 years ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74LVC1T45: output jitter and oscillator converter 0 Locked

    277 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXU0202: TXU0202DCUR , marking 0 Locked

    485 views
    1 reply
    Latest over 2 years ago
    by Joshua Salinas
  • Suggested Answer

    TXS0108E: Use at I2C 0 Locked

    215 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0108: Not working with LCD 0 Locked

    360 views
    8 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    TXB0108: Problem when cascading two bidirectional level translators 0 Locked

    343 views
    4 replies
    Latest over 2 years ago
    by Carlos Nieves Onega
  • Answered

    SN74LVC373A: Logic forum 0 Locked

    459 views
    5 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC8T245: SN74LVC8T245 0 Locked

    229 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74HCT240: Shutdown voltage and output behavior after shutdown 0 Locked

    243 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    LSF0108: SPI level shift recommend 0 Locked

    325 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    CD74HC4538-Q1: Time it Takes to Power ON the Device After Internal Reset 0 Locked

    346 views
    3 replies
    Latest over 2 years ago
    by Albert Xu1
  • Suggested Answer

    The SLVA720A had no pulse width characteristics below 10°C ambient temperature. 0 Locked

    257 views
    1 reply
    Latest over 2 years ago
    by Emrys Maier
  • Answered

    SN74LVC541A: Unspecified input signal transition rate. 0 Locked

    272 views
    2 replies
    Latest over 2 years ago
    by William Mackin
<>