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

    TXB0108: Pull down resistor for OE 0 Locked

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

    CD4081B: Junction to Ambient Value 0 Locked

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

    SN54ACT244: turn on current of input clamp diode 0 Locked

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

    SN74AHCT165: SN74AHCT165: 0 Locked

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

    Reliability Data 0 Locked

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

    SN54AHC244: maximum input range with VCC 2.5V 0 Locked

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

    LSF0102: LSF0102 internal MOSFET architecture 0 Locked

    480 views
    4 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    SN74LVC14A: SN74LVC14ADR 0 Locked

    455 views
    7 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    SN74LV123A: DIFFERENCE BTWN 74LV123ARGYR AND 74LV123ARGYRG4 0 Locked

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

    SN74LVC2T45: SN74LVC2T45 Outputimpedance - Serial Termination 0 Locked

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

    SN74LVC244A: About VCC of SN74LVC244A 0 Locked

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

    SN54ACT244: In the redundant configuration. 0 Locked

    355 views
    2 replies
    Latest over 1 year ago
    by daejin kang
  • Suggested Answer

    SN74AVC4T245-Q1: SN74AVC4T245-Q1 vs SN74AXC4T245-Q1 0 Locked

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

    Which Level Translator for application? 0 Locked

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

    SN74ABT827: Thermal properties data of the Buffer component. 0 Locked

    330 views
    4 replies
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74AVC32T245: Simulation Model 0 Locked

    320 views
    3 replies
    Latest over 1 year ago
    by Michael Ikwuyum
  • Answered

    CD40109B: CD40109B for 3.3 V to 15 V Translation 0 Locked

    962 views
    7 replies
    Latest over 1 year ago
    by Varunesh Kumar
  • Answered

    CD4015B: Need to verify if my ouput is correct 0 Locked

    427 views
    8 replies
    Latest over 1 year ago
    by Santhosh Kumar S
  • Answered

    SN74LV1T126-Q1: Current consumption 0 Locked

    332 views
    4 replies
    Latest over 1 year ago
    by Yuya Shoji
  • Suggested Answer

    LSF0108: current consumption 0 Locked

    518 views
    9 replies
    Latest over 1 year ago
    by Jack Guan
<>