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
  • Not Answered

    SN74LVC244A: Delay Variation Issue 0 Locked

    505 views
    11 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    SN74LVC3G17: Does TI has Pin-to-pin Q-grade or good Q-grade solution for SN74LVC3G17DCUR 0 Locked

    288 views
    2 replies
    Latest over 1 year ago
    by Michael Marinello
  • Suggested Answer

    SN74AXCH4T245: leakage problem 0 Locked

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

    SN74LV1T34: SN74LV1T34DBVR 0 Locked

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

    TXB0108: TXB0108PWR 0 Locked

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

    SN74AXCH8T245: SN74AXCH8T245RHLR Max. IO toggling speed 0 Locked

    285 views
    4 replies
    Latest over 1 year ago
    by Blessing Selvakumar
  • Answered

    SN74ALS245A: differences between SN74ALS245A-1DBR and SN74ALS245ADBR 0 Locked

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

    SN74AUC244: Bi-directional buffer 0 Locked

    449 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74HC14: How to calculate the current going into a channel in 74HC14? 0 Locked

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

    CD74HC541: IBIS Model 0 Locked

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

    SN74LVC14A: marking rule 0 Locked

    343 views
    7 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Not Answered

    SN74HC595: Is it normal for the chip without logo? 0 Locked

    341 views
    5 replies
    Latest over 1 year ago
    by Owen Westfall
  • Suggested Answer

    LSF0204: LSF0204 vs LSF0204D 0 Locked

    306 views
    2 replies
    Latest over 1 year ago
    by Jonathan Navor
  • Suggested Answer

    SN74LVC2G02: |tPLH-tPHL| question 0 Locked

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

    SN74AVC4T245: Improve reliability by add resistance on control pin 0 Locked

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

    SN74AVC4T774: SN74AVC4T774 vs SN74AXC4T774 Ioz leakage current characteristics 0 Locked

    415 views
    5 replies
    Latest over 1 year ago
    by Joshua Salinas
  • Answered

    SN74HCS74-Q1: SN74HCS74BQA-Q1 Die and package question 0 Locked

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

    SN74ALS245A:Undershoot 0 Locked

    211 views
    2 replies
    Latest over 1 year ago
    by Owen Westfall
  • Suggested Answer

    SN74LVC3G06: incorrect output 0 Locked

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

    SN74LV32A: Can't find pin1 on the package 0 Locked

    288 views
    4 replies
    Latest over 1 year ago
    by Clemens Ladisch
<>