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
  • Answered

    SN74AUP2G04: Input is at 3.3V but no Vcc or gnd connected. 0 Locked

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

    SN74LVC1G32-Q1: Input and Output Pin Impedance 0 Locked

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

    SN74LVC1G17: Regarding thermal data 0 Locked

    297 views
    2 replies
    Latest over 1 year ago
    by Albert Xu1
  • Not Answered

    TAS2505EVM: TAS2505EVM 0 Locked

    829 views
    1 reply
    Latest over 1 year ago
    by Ivan Salazar
  • Answered

    SN74AUP1T32: Output state with an Open Input. 0 Locked

    286 views
    4 replies
    Latest over 1 year ago
    by Scott Morrill
  • Suggested Answer

    LSF0102-Q1: Pullup Resistor 0 Locked

    669 views
    8 replies
    Latest over 1 year ago
    by Scarlett Cao
  • Answered

    SN74LVC86A-Q1: Enquiry about Automotive part qualification 0 Locked

    243 views
    2 replies
    Latest over 1 year ago
    by Sanesh Sanjai
  • Answered

    TXB0106: Is it recommended to add the serial resistors between TXB0106 and MCU? 0 Locked

    286 views
    2 replies
    Latest over 1 year ago
    by Shaofeng Luo
  • Answered

    SN74HC573A-Q1: SN74HC573A-Q1 AEC certification report 0 Locked

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

    SN74LXCH8T245: level shifter for ULPI 0 Locked

    348 views
    1 reply
    Latest over 1 year ago
    by Michael Ikwuyum
  • Suggested Answer

    SN74LS540: Max Io current 0 Locked

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

    LSF0102: 1.8V to 5V I²C with switchable 5V side 0 Locked

    326 views
    1 reply
    Latest over 1 year ago
    by Jack Guan
  • Answered

    SN74LVC1G97-Q1: Thermal resistance data 0 Locked

    297 views
    1 reply
    Latest over 1 year ago
    by Albert Xu1
  • Suggested Answer

    SN74AVC4T245-Q1: when input pin(pin 2B2) is floating, the output pin (pin 2A2) is always high. 0 Locked

    599 views
    5 replies
    Latest over 1 year ago
    by Clemens Ladisch
  • Suggested Answer

    TXU0304: what do it mean "dual-supply noninverting fixed direction voltage level translators"? 0 Locked

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

    SN74BCT8245A: 74BCT8245A die 0 Locked

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

    CD4044B: TSCA compliance 0 Locked

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

    SN74LVC3G34: The marking for SN74LVC3G34DCUR 0 Locked

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

    LSF0204-Q1: Leakage Voltage in VREFA from VREFB 0 Locked

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

    TXS0108E: Do we have 10kohm pull up resistor version chip which pin2pin TXS0108E 0 Locked

    333 views
    2 replies
    Latest over 1 year ago
    by Jack Guan
<>