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

    SN74LVC1T45-DCK Max Junction Temperature 0 Locked

    533 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Not Answered

    SN74HC14PWE4 Junction Temperature Specification 0 Locked

    335 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    CD40110B - couple of things the datasheets not clear about? 0 Locked

    932 views
    4 replies
    Latest over 14 years ago
    by Graham Rounce
  • Answered

    Question on device names 0 Locked

    499 views
    2 replies
    Latest over 14 years ago
    by Anonymous
  • Answered

    Mux/Demux and impedance match 0 Locked

    1695 views
    2 replies
    Latest over 14 years ago
    by Anonymous
  • Not Answered

    SN74AVC16646 running hot 0 Locked

    538 views
    2 replies
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    TXB0106 chip auto-direction applied per bit or per port? 0 Locked

    770 views
    4 replies
    Latest over 14 years ago
    by Dilpreet Buxi
  • Answered

    TXB0104/TXB0108 usage for SDIO 3V3 conversion to 1V8 0 Locked

    1543 views
    1 reply
    Latest over 14 years ago
    by Hattie
  • Answered

    SN74HC14 Reliability 0 Locked

    414 views
    2 replies
    Latest over 14 years ago
    by John Haynes
  • Answered

    TCA6424A EVM? 0 Locked

    267 views
    1 reply
    Latest over 14 years ago
    by Hattie
  • Answered

    Part number starting with or without SN 0 Locked

    786 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    Voltage level translation 0 Locked

    318 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    Problem with PCA9535 I2C Texas Instruments IC 0 Locked

    1159 views
    2 replies
    Latest over 14 years ago
    by Srivatsa Raghunath
  • Not Answered

    Need programmability 0 Locked

    1420 views
    7 replies
    Latest over 14 years ago
    by Dave Weinzierl
  • Answered

    CD40175BM 0 Locked

    240 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    replacement for 74Ls07 with extended temperature range 0 Locked

    1814 views
    5 replies
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    Questions about SN74GTLPH16912 0 Locked

    387 views
    3 replies
    Latest over 14 years ago
    by David Zhang16358
  • Not Answered

    TXB0104 connected to each other and high impedance drivers 0 Locked

    716 views
    5 replies
    Latest over 14 years ago
    by Hattie
  • Answered

    part question 0 Locked

    284 views
    1 reply
    Latest over 14 years ago
    by Chris Cockrill
  • Answered

    Looking for VT- data for SN74HC14-Q1 with a Vcc=3.3V 0 Locked

    557 views
    2 replies
    Latest over 14 years ago
    by Dan F.
<>