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
  • Answered

    SN74LV1T04: Spice behavioral model for SN74LV1T04 shows VIH=2.5V for VCC=5V in LTspice simulation 0 Locked

    824 views
    4 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Answered

    SN74AUP1G32: Output value on startup working as latch. 0 Locked

    432 views
    9 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    TXS0104E: Inquiry whether TXS0104E supports I2C and GPIO 0 Locked

    242 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    Darlington Transistor Array - ULN2803AN 0 Locked

    436 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LV541A: level shifting for SPI 0 Locked

    310 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AHCT1G126-Q1: Buffer 3.3V logic to 6.5V 0 Locked

    264 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    TXB0108: is each channel independent? 0 Locked

    318 views
    3 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Not Answered

    SN74LVC1T45: Failure of level translator IC : SN74LVC1T45QDCKRQ1 0 Locked

    348 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    TXS0102-Q1: Feasibility of usage of TXS0102-Q1 for I2C 0 Locked

    474 views
    5 replies
    Latest over 1 year ago
    by Mayur M Bharadwaj
  • Answered

    LSF0204: IBIS Model Request 0 Locked

    319 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Answered

    SN74LV123A-Q1: datasheet discrepancy for inputs 0 Locked

    310 views
    2 replies
    Latest over 1 year ago
    by David Masdon
  • Suggested Answer

    TXB0304: POWER SUPPLY RANGE 0 Locked

    252 views
    1 reply
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    SN7404: Radiation-hardened /space qualified components vs components with space heritage 0 Locked

    528 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LV123A: Logic forum 0 Locked

    374 views
    7 replies
    Latest over 1 year ago
    by Matthew Barton
  • Suggested Answer

    TXB0108: Pull down resistor for OE 0 Locked

    441 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    CD4081B: Junction to Ambient Value 0 Locked

    468 views
    5 replies
    Latest over 1 year ago
    by Jose Carvalho
  • Suggested Answer

    SN54ACT244: turn on current of input clamp diode 0 Locked

    289 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74AHCT165: SN74AHCT165: 0 Locked

    219 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    Reliability Data 0 Locked

    285 views
    1 reply
    Latest over 1 year ago
    by Chi Nguyen1
  • Answered

    SN54AHC244: maximum input range with VCC 2.5V 0 Locked

    227 views
    1 reply
    Latest over 1 year ago
    by Clemens Ladisch
<>