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] When will TI End of Life (EOL) or Obsolete a certain logic device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ TI's General Quality Guideline (page 7) describes our official policy on obsoleting a device. This policy is summarized below. TI's Product withdrawal/discontinuance process…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What are the power sequencing requirements for the translation device?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ Some of the TI translators have requirements during normal operation mode to have Vcca <= Vccb ( TXS/ TXB01xx) or Vrefb>= VrefA+0.8V(LSF). However, the TI translation devices do…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the difference between IOFF and VCC isolation? What are the conditions to guarantee it?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ The I OFF specification guarantees the I/O ports are in high impedance whenever either one of the power supply is at pulled to ground (0V) or close to gnd(<100mV as specified for the…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What should be done with unused I/O pins of the level translator devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ For the TXB family, unused I/O ports are recommended to be tied to GND through a weak pulldown resistors (>=100kohm). For TXS devices, the internal 10kohm pull-ups resistors will…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] Why is there no PSpice model for a Monostable Multivibrator device?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G123 FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ To make a long post short: MMVs cannot be directly simulated by PSpice because of their direct dependence on external components…
    • over 6 years ago
    • Logic
    • Logic forum
  • [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
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Suggested Answer

    SN74LVC827A: Support to Identify date code for SN74LVC827ADGVR 0 Locked

    1664 views
    2 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74AHC1G09: Open Drain Output characteristic 0 Locked

    804 views
    3 replies
    Latest over 7 years ago
    by Mike Greenwood
  • Answered

    SN74HC595: queries regarding driving 7 segment display 0 Locked

    1504 views
    5 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    SN74LVC1G17: Do I need a pull up resistor for Schmitt Trigger on the output? 0 Locked

    1815 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Suggested Answer

    WEBENCH® Tools/SN74AVCB324245: SN74AVCB324245 0 Locked

    816 views
    3 replies
    Latest over 7 years ago
    by ShreyasRao
  • Answered

    SN74LVC1T45: Power Sequencing Requirement? 0 Locked

    868 views
    3 replies
    Latest over 7 years ago
    by ShreyasRao
  • Answered

    SN74LVC4245A: Voltage Translation 3.3V to 5V with HZ Output 0 Locked

    779 views
    4 replies
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    SN74AVCH16T245: SN74AVCH16T245 0 Locked

    552 views
    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Answered

    TXB0108: input sequence 0 Locked

    663 views
    3 replies
    Latest over 7 years ago
    by ShreyasRao
  • Not Answered

    SN74F175: SN74F175 product longevity 0 Locked

    825 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    TXS0108E: drive optocoupler 0 Locked

    1393 views
    5 replies
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    TXS02612: TXS02612RTWR 0 Locked

    562 views
    2 replies
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    TXB0104: TXB0104 problem 0 Locked

    2137 views
    5 replies
    Latest over 7 years ago
    by ShreyasRao
  • Answered

    SN74LV594A: Power on state of outputs (storage register)? 0 Locked

    601 views
    2 replies
    Latest over 7 years ago
    by Doug Vetter
  • Suggested Answer

    TXB0104-Q1: OE pin is pulled up VCCA 0 Locked

    1096 views
    7 replies
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    TXB0104: relation of VCCA and VCCB 0 Locked

    1450 views
    2 replies
    Latest over 7 years ago
    by K.Hamamoto
  • Suggested Answer

    CD4060B: -Gamma Hardend 0 Locked

    483 views
    1 reply
    Latest over 7 years ago
    by Wade Vonbergen
  • Answered

    SN74HC04: 5.5V tolerance 0 Locked

    667 views
    1 reply
    Latest over 7 years ago
    by Emrys Maier
  • Answered

    TXB0102: Signal Delays 0 Locked

    459 views
    1 reply
    Latest over 7 years ago
    by ShreyasRao
  • Suggested Answer

    SN74LVC245A: SN74LVC245APWR Back Drive 0 Locked

    2183 views
    3 replies
    Latest over 7 years ago
    by Emrys Maier
<>