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

    Question of Tj(MAX) for Pd calculation. 0 Locked

    444 views
    1 reply
    Latest over 15 years ago
    by Chris Cockrill
  • Answered

    VIH(MAX) of /INT pin of PCA9534 0 Locked

    353 views
    1 reply
    Latest over 15 years ago
    by Hattie
  • Answered

    Input transient rate SPEC of LVC series. 0 Locked

    386 views
    2 replies
    Latest over 15 years ago
    by Hiroshi Hashimoto16564
  • Answered

    SUPER URGENT: PCA9539 Logic Read Problem 0 Locked

    841 views
    1 reply
    Latest over 15 years ago
    by Hattie
  • Answered

    Ordering number of CBTLV1G125DCKRG4 0 Locked

    350 views
    1 reply
    Latest over 15 years ago
    by Chris Cockrill
  • Answered

    IBIS Models for TI_CD4075BNSR - TI_CD4081BNSR - TI_SN74HC00DR - TI_SN74HC132D 0 Locked

    297 views
    3 replies
    Latest over 15 years ago
    by Chris Cockrill
  • Answered

    Where is undershoot SPEC of CBTLV16211C ? 0 Locked

    417 views
    2 replies
    Latest over 15 years ago
    by Chris Cockrill
  • Answered

    How should I understand VCC(I/O) of TUSB1106? 0 Locked

    511 views
    1 reply
    Latest over 15 years ago
    by Yoshihiro Kometani
  • Answered

    The spec value correct in the datasheet of TLC59116 0 Locked

    442 views
    1 reply
    Latest over 15 years ago
    by Yoshihiro Kometani
  • Answered

    Where did the data sheet of LVC1G14 go? 0 Locked

    422 views
    1 reply
    Latest over 15 years ago
    by Mike Combs
  • Answered

    74AVCH20T245 Translator, same voltage on both rails 0 Locked

    336 views
    1 reply
    Latest over 15 years ago
    by Chris Cockrill
  • Not Answered

    Logic level interfacing to remote sensors in an automotive environment - 0 Locked

    284 views
    1 reply
    Latest over 15 years ago
    by Chris Cockrill
  • Answered

    SN74AVCH8T245 RHL Thermal Pad 0 Locked

    592 views
    2 replies
    Latest over 15 years ago
    by Terry16065
  • Not Answered

    Replacement Part for SN74AHC2G53HDCTR 0 Locked

    410 views
    3 replies
    Latest over 15 years ago
    by Chris Cockrill
  • Not Answered

    PCA9306 IC Temperature 0 Locked

    281 views
    2 replies
    Latest over 15 years ago
    by Hiroshi Hashimoto16564
  • Not Answered

    SN74LV165A under "Product Preview" on datasheet pages 5-7. Why??? 0 Locked

    367 views
    2 replies
    Latest over 15 years ago
    by Chris Cockrill
  • Not Answered

    analog switch puzzlement 0 Locked

    3012 views
    1 reply
    Latest over 15 years ago
    by Chris Cockrill
  • Not Answered

    scyd013b in dead-tree form? 0 Locked

    357 views
    1 reply
    Latest over 15 years ago
    by Chris Cockrill
  • Answered

    Why is the block diagram of TCA9555 and PCA9555 different? 0 Locked

    2303 views
    2 replies
    Latest over 15 years ago
    by Hiroshi Hashimoto16564
  • Not Answered

    TXB010x interface to Telit GE865 USART lines 0 Locked

    457 views
    1 reply
    Latest over 15 years ago
    by Hattie
<>