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] How does a monostable multivibrator (one shot) work?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Monostable Multivibrators >> Current FAQ The above functional block diagram shows generally how a monostable multivibrator (MMV, or one-shot) works. Not all of them have every part shown, but this is the most common…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] What's the difference between TTL and 5V CMOS logic?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ It's very common for people to refer to "TTL logic" and to actually mean "5V logic" -- but how are they different? The key difference is in the input and output voltages. This graphic…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the difference in timing between gates in the same device? How much skew is expected within a given logic device? What is the part-to-part skew?

    Karan Kotadia
    Karan Kotadia
    FAQ: Logic and Voltage Translation > Timing Parameters >> Current FAQ The difference in delay between the individual channels on an individual part is referred to as channel-to-channel skew or output skew. This is typically not covered as a datasheet…
    • over 5 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the difference between the SN74HCxx and the SN74HCxxA?

    Emrys Maier
    Emrys Maier
    Other Parts Discussed in Thread: SN7400 , SN74LS00 FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ The High-speed CMOS (HC) logic family was created as a direct replacement for older bipolar junction transistor based transistor…
    • over 6 years ago
    • Logic
    • Logic forum
  • [FAQ] What method is best used for estimating specification values between those given in the datasheet?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ The most common example of this question comes from the fact that Standard Logic devices are specified at 1.65V, 3V, and 4.5V, however most engineers use our devices at 1.8V, 3.3V…
    • over 6 years ago
    • Logic
    • Logic forum
  • [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
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Not Answered

    a question about LM224 0 Locked

    832 views
    3 replies
    Latest over 9 years ago
    by Ron Michallick
  • Suggested Answer

    SN74LVC32APWR's Tj 0 Locked

    514 views
    2 replies
    Latest over 9 years ago
    by ShreyasRao
  • Suggested Answer

    SN74AUC07RGYR with exposed PAD 0 Locked

    584 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Suggested Answer

    TXB0104 vs TXS0104 0 Locked

    4913 views
    10 replies
    Latest over 9 years ago
    by Nirav Patel
  • Suggested Answer

    74lvc2g14 input threshold drift versus temperature and supply voltage 0 Locked

    788 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    TS3A5223 i am using this for switch between 2 power for SD card . but i am facing problem ie... VCC_EX_3v3 is the input and SD_sel is "0" then the output should be NC1 = VCC_EX_3V3 and NO1 = 0 but iam getting NC1= 3.3V and NO1= 2.9V ... i dont 0 Locked

    1447 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    tps63060 dac controlled voltage. 0 Locked

    702 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    SGS REPORT AND MSDS DATA 0 Locked

    2652 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    Generate multiple interleaved PWM signals 0 Locked

    842 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Suggested Answer

    CD4093B VCC and TJ question 0 Locked

    601 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Answered

    VME Bus suitable Transceiver at VCC=3,3V 0 Locked

    1947 views
    6 replies
    Latest over 9 years ago
    by Clemens Ladisch
  • Answered

    74LVC8T245RHLRG4 v SN74LVC8T245RHLR 0 Locked

    825 views
    2 replies
    Latest over 9 years ago
    by LeonardEllis
  • Answered

    About OE pulldown resister of TXS / TXB series 0 Locked

    1036 views
    3 replies
    Latest over 9 years ago
    by Nirav Patel
  • Not Answered

    CD4504B booting 0 Locked

    876 views
    4 replies
    Latest over 9 years ago
    by ShreyasRao
  • Answered

    Do anyone know the input impedance of SN74LVCC3245? 0 Locked

    643 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    SN74AUP1G08DCKR Thermal Information 0 Locked

    784 views
    5 replies
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    SN74221 issues 0 Locked

    511 views
    2 replies
    Latest over 9 years ago
    by ShreyasRao
  • Suggested Answer

    Difference between Flip Flop Part Number CD74HC74 and SN74HC74-EP 0 Locked

    995 views
    1 reply
    Latest over 9 years ago
    by ShreyasRao
  • Not Answered

    BJT Transistor Selection 0 Locked

    1505 views
    5 replies
    Latest over 9 years ago
    by Clemens Ladisch
  • Answered

    How to use CD4053B 0 Locked

    650 views
    2 replies
    Latest over 9 years ago
    by na na78
<>