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
  • Answered

    Requirement for driving 74ACT16244 multiple inputs with one signal? 0 Locked

    920 views
    3 replies
    Latest over 9 years ago
    by BX27
  • Suggested Answer

    CD4025B, Vdd not powering up correctly 0 Locked

    807 views
    3 replies
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    CD4060 /74HC4060 0 Locked

    1221 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    I have a question about 16c554 ~ 0 Locked

    814 views
    1 reply
    Latest over 9 years ago
    by Clemens Ladisch
  • Answered

    TI equivalent of ST2378E 0 Locked

    581 views
    1 reply
    Latest over 9 years ago
    by Nirav Patel
  • Answered

    Maximum junction temp SN74LVTH245APW 0 Locked

    440 views
    1 reply
    Latest over 9 years ago
    by Cameron Phillips
  • Answered

    SN74LVC1G98 Ii typical value 0 Locked

    800 views
    2 replies
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    Interfacing MSP430 2with 74LS47 0 Locked

    1482 views
    5 replies
    Latest over 9 years ago
    by Clemens Ladisch
  • Not Answered

    Can SN74LVC1G17 support 1MHz PWM output? 0 Locked

    715 views
    1 reply
    Latest over 9 years ago
    by Clemens Ladisch
  • Not Answered

    SN74ALVC04 hex inverter crosstalk possibility 0 Locked

    1070 views
    3 replies
    Latest over 9 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXB0104 drive strength with SPI interface 0 Locked

    1662 views
    2 replies
    Latest over 9 years ago
    by Nirav Patel
  • Not Answered

    TXS0108E Current Shink 0 Locked

    1616 views
    9 replies
    Latest over 9 years ago
    by Mikhail Zubko
  • Answered

    Typical ICC value for SN74LVC1G98 0 Locked

    788 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Suggested Answer

    Bascule D In Toggle problem - SN74LVC1G74 0 Locked

    1734 views
    9 replies
    Latest over 9 years ago
    by Samuel Conti
  • Answered

    SN74HC08 / Input transition rise and fall rate 0 Locked

    1787 views
    5 replies
    Latest over 9 years ago
    by ShreyasRao
  • Suggested Answer

    SN74LVC74ADRG4 problem 0 Locked

    1551 views
    8 replies
    Latest over 9 years ago
    by Joes
  • Answered

    SN74ALS541-1 / Recommended low-level output current 0 Locked

    1224 views
    1 reply
    Latest over 9 years ago
    by Clemens Ladisch
  • Answered

    SN74AHCT367 questions 0 Locked

    1109 views
    4 replies
    Latest over 9 years ago
    by Hiroshi Sato
  • Answered

    SN74LV4051 Delaytime 0 Locked

    1189 views
    5 replies
    Latest over 9 years ago
    by ShreyasRao
  • Answered

    TXB0108 OE pin voltage threshold 0 Locked

    6527 views
    4 replies
    Latest over 9 years ago
    by Juan Andreu
<>