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

    CD74HCT27: CD74HCT273M and CD74HCT273M96, meaning of the suffix 96 0 Locked

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

    SN74AUP1G07: SN74AUP1G07 for application 0 Locked

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

    TXB0104: TXB0104 with open drain input 0 Locked

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

    SN74ACT244: Driving LED using non-inverting buffer IC such as SN74ACT244 0 Locked

    594 views
    6 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G17: Is it possible to use Behavioral SPICE Model for analog simulation (Simetrix) 0 Locked

    339 views
    4 replies
    Latest over 1 year ago
    by Owen Westfall
  • Suggested Answer

    TXU0104: current draw for TXU0104 level-shifter 0 Locked

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

    SN74LXC8T245: I/O and VCC current when input is floated 0 Locked

    263 views
    2 replies
    Latest over 1 year ago
    by Curtis Mulady
  • Answered

    SN54HCT244-SP: SN54HCT244-SP 0 Locked

    274 views
    5 replies
    Latest over 1 year ago
    by Malcolm Lyn
  • Suggested Answer

    TXB0106: for SD card IO translation 0 Locked

    373 views
    5 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    SN74HC165: input level rises from 0V by about 1.93V 0 Locked

    257 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    LSF0108: i2c signal degradation 0 Locked

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

    SN74LVC1G17: SN74LVC1G17 V+ and V- Threshold for values not written in datasheet 0 Locked

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

    TXU0102-Q1: About the output current rating 0 Locked

    329 views
    6 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Answered

    LSF0002: Variable voltage level translation 0 Locked

    507 views
    7 replies
    Latest over 1 year ago
    by Jack Guan
  • Suggested Answer

    SN74AVC20T245: ICC test data is on the high side 0 Locked

    347 views
    7 replies
    Latest over 1 year ago
    by Jack Guan
  • Answered

    SN74AVC4T245: LVCMOS to LVTTL Conversion 0 Locked

    455 views
    2 replies
    Latest over 1 year ago
    by Joshua Salinas
  • Answered

    SN74AVC16T245: Regarding the PCN history of SN74AVC16T245DGGR 0 Locked

    240 views
    1 reply
    Latest over 1 year ago
    by Joshua Salinas
  • Answered

    SN74LVC2G17: Different Schmitt thresholds than LVC1G17 0 Locked

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

    SN74AUP1G34: SN74AUP1G34 0 Locked

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

    SN74LV541A: Output Topology 0 Locked

    282 views
    3 replies
    Latest over 1 year ago
    by Clemens Ladisch
<>