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  • SN74LXC1T45-Q1: Electrical Characteristics Table

    TI Thinks Resolved
    Part Number: SN74LXC1T45-Q1 Hi, Can you explain what this table means from the datasheet? My understanding is that for the DIR pin, VT+ gives the voltage range of a logic high (A to B) and VT- gives the voltage range of a logic low (B to A). But what…
    • Answered

  • SN74LXC1T45-Q1: Data Pin Pull Down

    Resolved
    Part Number: SN74LXC1T45-Q1 Other Parts Discussed in Thread: AVCLVCDIRCNTRL-EVM , Hi, In my current design I have a 3.3V source connected to VCCA and a voltage divider network connected to A that's roughly 3.3V. What is the pull down resistance on pin…
    • Resolved

  • TCA9517-Q1: pull-down

    Answer Suggested
    Part Number: TCA9517-Q1 Other Parts Discussed in Thread: TCA9517 , SN74LXC1T45 5Vと3.3Vの双方向レベル変換に「TCA3-Q3」を使用することを検討しています。プルダウン抵抗を3.3Vシステム入出力端子に挿入し、プルアップ抵抗を5Vシステム入出力端子に挿入します。電源投入時にローレベル(0V)に設定したいのですが。質問は次のとおりです: 1. 「TCA9517-Q1」の使用に問題はありますか? 2. プルダウン抵抗値の計算方法を教えてください…

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