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] Can the input voltage (Vi) to my logic device be higher than the supply voltage (Vcc)?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ This question is really about the input structure of a logic device. There are primarily two types of CMOS input structures - one with a positive clamping diode, and one without…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] Where do I connect the thermal pad of the logic QFN devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Power and Thermals >> Current FAQ Some datasheets do not specify what should be done with the thermal pad, such as in the image below: The thermal pad is recommended to be soldered to the PCB and electrically…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the maximum capacitive load that a logic device can drive?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC2G34 FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ There are a few issues with trying to determine a maximum capacitive load for a standard CMOS logic device. First is propagation delay…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] Why does a logic device's part number have an E4/G4 suffix?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ In short, there will be no difference between a device labelled SN74xxG4 and SN74xx. Historically, G4 and E4 suffixes meant that the devices were rated to be "Green" or…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the difference between TXS TXB and LSF devices?

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] Is part number X pin to pin compatible with part number Y?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ It's extremely common to need to know if one device can be directly replaced with another. With Standard Logic devices, this is generally an easy process. The part number…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the output transition rate for a logic device?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN74LVC1G08 FAQ: Logic and Voltage Translation > Output Parameters >> Current FAQ Very few logic devices specify an output transition rate, and those that do only specify it under very specific conditions. The best…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] Why do the leadframes look strongly oxidized or corroded?

    Karan Kotadia
    Karan Kotadia
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ Texas instruments has decided to change from non-roughened leadframe to single-side roughened leadframe for some of its parts. For this reason these devices look as if they…
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the TXS device internal resistor variation/ tolerance

    ShreyasRao
    ShreyasRao
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ According to the design simulation, the variation of the 10K internal resistor of the TXS device can be between 6.5k to 15kohm across PVT.
    • over 7 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the maximum junction temperature (TJMAX) for a device?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Power and Thermals >> Current FAQ The vast majority of logic devices do not list a maximum junction temperature ( T J(max) ) on the datasheet. For logic devices, T J(max) is equal to the maximum storage temperature…
    • Answered
    • over 7 years ago
    • Logic
    • Logic forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Suggested Answer

    SN74LVC1T45: SN74LVC1T45 does it supports 1PPS signal 0 Locked

    348 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC8T245: SN74LVC8T245RHLR Schematic Review Ethernet MAC TO MAC Communication 0 Locked

    890 views
    9 replies
    Latest over 2 years ago
    by HARI T O1
  • Suggested Answer

    TXS0108E: PORT B output voltage drops 0 Locked

    337 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Not Answered

    SN74LVC1G3208: SN74LVC1G3208 0 Locked

    263 views
    7 replies
    Latest over 2 years ago
    by johnson.zhang
  • Answered

    LSF0102: Vref_A power supply voltage changes when communication starts. 0 Locked

    448 views
    7 replies
    Latest over 2 years ago
    by dai_sakamoto
  • Suggested Answer

    PSD813F2A-90MI TI Alternative 0 Locked

    213 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LVC1G08: Is it capable of up-voltage translation? 0 Locked

    310 views
    1 reply
    Latest over 2 years ago
    by Jack Campbell
  • Answered

    CD4015B: The connections when port B is not used? 0 Locked

    217 views
    2 replies
    Latest over 2 years ago
    by Tiger Yeh
  • Answered

    TXU0101: What is a pull-down resistor of OE pin and Input A pin? 0 Locked

    487 views
    3 replies
    Latest over 2 years ago
    by Tamio Yokokura
  • Suggested Answer

    LSF0108: Output Bn unstable 0 Locked

    850 views
    16 replies
    Latest over 2 years ago
    by Michael Ikwuyum
  • Answered

    SN74LV139A: Ioff Spec Clarification 0 Locked

    485 views
    5 replies
    Latest over 2 years ago
    by Emrys Maier
  • Suggested Answer

    LSF0108: Level translation model 0 Locked

    948 views
    7 replies
    Latest over 2 years ago
    by Michael Ikwuyum
  • Answered

    TXB0106: TXB0106 IO pins 0 Locked

    294 views
    1 reply
    Latest over 2 years ago
    by Michael Ikwuyum
  • Not Answered

    CY74FCT191T: CY74FCT191T 0 Locked

    220 views
    1 reply
    Latest over 2 years ago
    by Albert Xu1
  • Suggested Answer

    SN74AHCT1G125-Q1: Output resistance and Output current of SN74AHCT1G125-Q1 0 Locked

    468 views
    2 replies
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74HC541A: SN74HC541A datasheet is not listed on TI's website 0 Locked

    361 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    TXS0104E: supports Vcca=Vccb? 0 Locked

    252 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    SN74AHC74PWR resistance junction to board 0 Locked

    257 views
    3 replies
    Latest over 2 years ago
    by Albert Xu1
  • Suggested Answer

    SN74ALVC164245: SN74ALVC164245DGGR 0 Locked

    251 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74LXC8T245: SN74LXC8T245 0 Locked

    312 views
    3 replies
    Latest over 2 years ago
    by Clemens Ladisch
<>