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

    sn74avc32t245 0 Locked

    277 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    SN74LVC1T45-DCK Max Junction Temperature 0 Locked

    533 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Not Answered

    SN74HC14PWE4 Junction Temperature Specification 0 Locked

    335 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    CD40110B - couple of things the datasheets not clear about? 0 Locked

    932 views
    4 replies
    Latest over 14 years ago
    by Graham Rounce
  • Answered

    Question on device names 0 Locked

    499 views
    2 replies
    Latest over 14 years ago
    by Anonymous
  • Answered

    Mux/Demux and impedance match 0 Locked

    1695 views
    2 replies
    Latest over 14 years ago
    by Anonymous
  • Not Answered

    SN74AVC16646 running hot 0 Locked

    538 views
    2 replies
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    TXB0106 chip auto-direction applied per bit or per port? 0 Locked

    770 views
    4 replies
    Latest over 14 years ago
    by Dilpreet Buxi
  • Answered

    TXB0104/TXB0108 usage for SDIO 3V3 conversion to 1V8 0 Locked

    1543 views
    1 reply
    Latest over 14 years ago
    by Hattie
  • Answered

    SN74HC14 Reliability 0 Locked

    414 views
    2 replies
    Latest over 14 years ago
    by John Haynes
  • Answered

    TCA6424A EVM? 0 Locked

    267 views
    1 reply
    Latest over 14 years ago
    by Hattie
  • Answered

    Part number starting with or without SN 0 Locked

    787 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    Voltage level translation 0 Locked

    318 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    Problem with PCA9535 I2C Texas Instruments IC 0 Locked

    1159 views
    2 replies
    Latest over 14 years ago
    by Srivatsa Raghunath
  • Not Answered

    Need programmability 0 Locked

    1420 views
    7 replies
    Latest over 14 years ago
    by Dave Weinzierl
  • Answered

    CD40175BM 0 Locked

    240 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    replacement for 74Ls07 with extended temperature range 0 Locked

    1814 views
    5 replies
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    Questions about SN74GTLPH16912 0 Locked

    387 views
    3 replies
    Latest over 14 years ago
    by David Zhang16358
  • Not Answered

    TXB0104 connected to each other and high impedance drivers 0 Locked

    716 views
    5 replies
    Latest over 14 years ago
    by Hattie
  • Answered

    part question 0 Locked

    284 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
<>