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Logic

Logic

Logic forum

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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] Why do some SOT package parts from TI have a pin that is not in the mechanical drawing?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ In short, this is not an extra pin and it is nothing to be concerned about. It is part of the support used in the manufacturing process. - SOT (Single Outline Transistor…
    • over 2 years ago
    • Logic
    • Logic forum
  • [FAQ] SN74HCS00: The Logic Industry's Smallest Leaded Package; DYY

    Brandt Burgdorf
    Brandt Burgdorf
    Part Number: SN74HCS00 The Logic Industry’s Smallest Leaded Package; SOT-23-THIN (DYY) Many companies still rely solely on optical verification methods to ensure their components have been successfully soldered and are unwilling or not yet able to…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] What's the difference between a buffered and unbuffered CMOS device?

    Albert Xu1
    Albert Xu1
    FAQ: Logic and Voltage Translation > Logic Technology >> Current FAQ Definition: A buffered CMOS device has output characteristics that only relies on the logical output of the gate. In a NOR gate, different input values can result in the same output…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] SN74HCS595-Q1: How do Wettable Flank WQFN packages (WBQB) help LOGIC automotive customers?

    Michael Marinello
    Michael Marinello
    Part Number: SN74HCS595-Q1 Other Parts Discussed in Thread: SN74HCS138-Q1 , SN74HCS151-Q1 , SN74HCS153-Q1 , SN74HCS157-Q1 , SN74HCS165-Q1 , SN74HCS259-Q1 , SN74HCS365-Q1 , SN74HCS367-Q1 , SN74HCS594-Q1 , Efficient Automated Optical Inspection (AOI)…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] How will a logic device respond to a short or open circuit?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Quality and Manufacturing >> Current FAQ This is provided as information only, and is not a guarantee of device performance under the conditions described. This is not a Pin FMEA document, as Standard Logic devices…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] Why is there a voltage offset at the input of the SN74AXCxTxxx device?

    Dylan Hubbard
    Dylan Hubbard
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ The AXC family of Voltage Translators have built in dynamic pull-downs at the I/O. These pull-downs assist with with the glitch free power sequencing feature included in this…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] Do I still need pull-up/pull-down resistors with bus-hold circuitry?

    Albert Xu1
    Albert Xu1
    FAQ: Logic and Voltage Translation > Input Parameters >> Current FAQ Short answer: External pull-up/down resistors are not recommended for devices with bus-hold circuitry. Explanation: A pull-up or pull-down resistor will create a voltage-divider…
    • over 3 years ago
    • Logic
    • Logic forum
  • [FAQ] Why are the TXS01xx VIH/VIL specifications so stringent?

    Dylan Hubbard
    Dylan Hubbard
    FAQ: Logic and Voltage Translation > Voltage Translators >> Current FAQ TXS family translators utilize a FET-based architecture with an N-channel pass-gate transistor used to open and close the connection between the A-port and B-port. The FET connects…
    • over 4 years ago
    • Logic
    • Logic forum
  • [FAQ] [H] Frequently Asked Questions: Logic and Voltage Translation

    Michael J Schultis
    Michael J Schultis
    Select this link to see answers to common questions, detailed use case implementations, and part recommendations for logic and voltage translation devices. . Top Logic and Voltage Translation FAQs - All-Time How does a slow or floating input affect…
    • Answered
    • over 4 years ago
    • Logic
    • Logic forum
  • [FAQ] What is the typical delay of a logic device in a particular logic family?

    Emrys Maier
    Emrys Maier
    FAQ: Logic and Voltage Translation > Timing Parameters >> Current FAQ Delays vary from device to device, however a general idea of delay can be shown graphically: Two things to note from the above graphic (1) Delay always increases as the supply…
    • over 4 years ago
    • Logic
    • Logic forum
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  • Not Answered

    CD4077B: what's the difference of NOR Gate and Exclusive NOR gate? 0 Locked

    1457 views
    3 replies
    Latest over 8 years ago
    by Max Han
  • Suggested Answer

    TXS0104E: Rds(on) of TXS0104 in low level output 0 Locked

    3338 views
    10 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    SN74AHC1G04: VIH(min) and VOH(min) with 3.3V Vcc 0 Locked

    809 views
    1 reply
    Latest over 8 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC373A: Is output state knowable during power-up with /OE = L, LE = L, D = H? 0 Locked

    805 views
    2 replies
    Latest over 8 years ago
    by Jonathan Bender
  • Answered

    SN74LVC8T245: Maximum operating Speed of level shifter from 3.3V to 1.8V 0 Locked

    1232 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    SN74AUP1G57: what's the difference between 1t and 1g devices 0 Locked

    982 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    SN74LVC244A: the abs. minimum input negative AC voltage 0 Locked

    765 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    SN74ALVC164245: Preferred package variant 0 Locked

    1387 views
    4 replies
    Latest over 8 years ago
    by Markus Nabecker
  • Answered

    TXB0108: SD card SPI working intermittently - MISO line 0 Locked

    7284 views
    9 replies
    Latest over 8 years ago
    by michel canagasabey
  • Answered

    SN74AVCB324245: What is the difference between the SN74AVCB324245KR and 74AVCB324245ZKER? 0 Locked

    989 views
    1 reply
    Latest over 8 years ago
    by Clemens Ladisch
  • Answered

    SN74LVC1G08: SN74LVC1G08 / VOH and VOL at Vcc=3.3V 0 Locked

    1788 views
    2 replies
    Latest over 8 years ago
    by Emrys Maier
  • Suggested Answer

    LSF0108: IBIS simluation model question 0 Locked

    1137 views
    1 reply
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    TXS0108E: About Vcca and Vccb 0 Locked

    1609 views
    4 replies
    Latest over 8 years ago
    by Nicholas Mariani9
  • Suggested Answer

    LSF0108: waveform distortion 0 Locked

    1206 views
    2 replies
    Latest over 8 years ago
    by ShreyasRao
  • Suggested Answer

    TXB0104: TXB0104 for isolation purpose? 0 Locked

    1086 views
    2 replies
    Latest over 8 years ago
    by Clemens Ladisch
  • Suggested Answer

    TXS0108E: Can TXS0108E push-pull support 100MHz SDIO ? 0 Locked

    1827 views
    3 replies
    Latest over 8 years ago
    by Emrys Maier
  • Answered

    TX517EVM: Generate 400Khz or 800Khz frequncy output with TX517EVM 0 Locked

    1796 views
    4 replies
    Latest over 8 years ago
    by Sajad Rahmdel
  • Answered

    Automotive Quadruple 2-Input Positive-AND Gate with Input Tolerant 0 Locked

    1085 views
    2 replies
    Latest over 8 years ago
    by Kenichiro
  • Answered

    CD4040B: thermal resistance and junction temperature 0 Locked

    1300 views
    4 replies
    Latest over 8 years ago
    by Ricardo Li
  • Answered

    TXS0108E: Any problem if i connect open drain output 0 Locked

    870 views
    2 replies
    Latest over 8 years ago
    by prasanna kumara G
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