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

    TXB0104-Q1: Abnormal start-up translation waveform 0 Locked

    378 views
    5 replies
    Latest over 1 year ago
    by Jack Guan
  • Not Answered

    SN74ACT7541: SDIO buffer/redriver recommendation 0 Locked

    250 views
    1 reply
    Latest over 1 year ago
    by Owen Westfall
  • Suggested Answer

    TXS0108E: I2C low level up to 0.6V or even higher 0 Locked

    486 views
    4 replies
    Latest over 1 year ago
    by Jack Guan
  • Not Answered

    SN74HC148: SN74HC148DR 0 Locked

    174 views
    1 reply
    Latest over 1 year ago
    by Owen Westfall
  • Answered

    SN74AXC2T245: Internal pull-down resistor value 0 Locked

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

    SN74AXC4T774: NCSI check 0 Locked

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

    SN74LVC2G74-Q1: 500V HBM ESD test 0 Locked

    437 views
    6 replies
    Latest over 1 year ago
    by Albert Xu1
  • Answered

    SN74LVC1G17: Package Marking 0 Locked

    431 views
    6 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74LVC125A: SN74LVC125APW 0 Locked

    310 views
    3 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN54SC4T125-SEP: Min/Max rise and fall times for 5V supply 0 Locked

    170 views
    1 reply
    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    SN74HCS164: SN74HCS164DR Kindly share the Maximum reflow cycle for the above part 0 Locked

    253 views
    1 reply
    Latest over 1 year ago
    by Ian Graham
  • Suggested Answer

    TXB0104-Q1: Package Inquiry 0 Locked

    264 views
    2 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    TXU0102-Q1: I/O level by supply voltage 0 Locked

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

    TXS0104E: TXS0104E 0 Locked

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

    TXS0101: Request for proposals for alternatives that do not have internal pull-ups 0 Locked

    289 views
    2 replies
    Latest over 1 year ago
    by Masaki Takeuchi
  • Suggested Answer

    SN74LVC1G74: SN74LVC1G74DCUR vs SN74LVC2G74DCUR 0 Locked

    314 views
    2 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74LVC126A: Check the footprint info 0 Locked

    517 views
    1 reply
    Latest over 1 year ago
    by Malcolm Lyn
  • Answered

    TXS0101: Request for proposals of alternatives that do not have internal pull-ups. 0 Locked

    344 views
    2 replies
    Latest over 1 year ago
    by Masaki Takeuchi
  • Suggested Answer

    SN54LVTH245A: IBIS model 0 Locked

    319 views
    3 replies
    Latest over 1 year ago
    by Albert Xu1
  • Answered

    SN54SC6T17-SEP: Single Event Transient Characterization 0 Locked

    277 views
    2 replies
    Latest over 1 year ago
    by Matthew Joplin
<>