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

    TXS0104E: Drive capability of Port B 0 Locked

    532 views
    2 replies
    Latest over 3 years ago
    by Clemens Ladisch
  • Not Answered

    SN74LVCH16T245-EP: SN74LVCH16T245-EP Spec document's V62/09605-01XE Temperature Cycle or Thermal Shock 0 Locked

    274 views
    4 replies
    Latest over 3 years ago
    by Dylan Hubbard
  • Answered

    Operating and storage temperature ranges 0 Locked

    207 views
    1 reply
    Latest over 3 years ago
    by Albert Xu1
  • Answered

    SN74HC594: MAX Clock frequency under Vcc=3.3V condition 0 Locked

    281 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    SN74HC365: SN74HC365DR & SN74HC365DRE4 difference 0 Locked

    217 views
    1 reply
    Latest over 3 years ago
    by Albert Xu1
  • Suggested Answer

    SN74LV1T34: Asking for the SN74LV1T34DCKR design suggestion 0 Locked

    214 views
    1 reply
    Latest over 3 years ago
    by Albert Xu1
  • Suggested Answer

    LSF0102: low level voltage 0 Locked

    468 views
    6 replies
    Latest over 3 years ago
    by Dylan Hubbard
  • Answered

    TXB0106: Question Asking 0 Locked

    325 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    TXB0108: TXB0108 0 Locked

    1077 views
    2 replies
    Latest over 3 years ago
    by rafael
  • Answered

    SN74LVC1G34: SN74LVC1G34 driving TMUX 0 Locked

    582 views
    4 replies
    Latest over 3 years ago
    by HARI T O1
  • Answered

    SN74LVC2G74: SN74LVC2G74 0 Locked

    669 views
    8 replies
    Latest over 3 years ago
    by Roman Barskov
  • Answered

    SN74AUP1T97: Consequences to tying A, B, and C for Logic Buffer 0 Locked

    258 views
    1 reply
    Latest over 3 years ago
    by Dylan Hubbard
  • Answered

    TXB0106-Q1: Looking for level shifter for heavy cap load trace 0 Locked

    887 views
    5 replies
    Latest over 3 years ago
    by Alex Yeh
  • Suggested Answer

    CD4001B-MIL: is JM38510/05252BCA and upgrade to CD4001BF & CD4001BF3A? 0 Locked

    287 views
    1 reply
    Latest over 3 years ago
    by Dylan Hubbard
  • Suggested Answer

    CD74HC4515: Status of LE pin 0 Locked

    379 views
    5 replies
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74ALVC245: About I / O pin overshoot 0 Locked

    293 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXS0108E: NFBGA vs UFBGA packages 0 Locked

    311 views
    1 reply
    Latest over 3 years ago
    by Clemens Ladisch
  • Answered

    TXB0104: One short circuits: PCB trace and period 0 Locked

    401 views
    2 replies
    Latest over 3 years ago
    by Jack Shen2
  • Answered

    TXS0108E: Leakage current 0 Locked

    316 views
    2 replies
    Latest over 3 years ago
    by Takashi Onawa
  • Suggested Answer

    CD4047B: inverter topology 0 Locked

    584 views
    2 replies
    Latest over 3 years ago
    by Emrys Maier
<>