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  • 參數(shù)資料
    型號(hào): MC74AC646N
    廠(chǎng)商: ON SEMICONDUCTOR
    元件分類(lèi): 通用總線(xiàn)功能
    英文描述: OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING)
    中文描述: AC SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP24
    封裝: 0.300 INCH, PLASTIC, DIP-24
    文件頁(yè)數(shù): 8/9頁(yè)
    文件大小: 242K
    代理商: MC74AC646N
    MC74AC646 MC74ACT646
    5-8
    FACT DATA
    AC OPERATING REQUIREMENTS
    Symbol
    Parameter
    (V)
    74ACT
    74ACT
    Unit
    No.
    VCC*
    TA = +25
    °
    C
    CL = 50 pF
    TA = –40
    °
    C
    to +85
    °
    C
    CL = 50 pF
    Fig.
    Typ
    Guaranteed Minimum
    ts
    Setup Time, HIGH or LOW
    Bus to Clock
    5.0
    7.0
    8.0
    ns
    3-9
    th
    Hold Time, HIGH or LOW
    Bus to Clock
    5.0
    2.5
    2.5
    ns
    3-9
    tw
    Clock Pulse Width
    HIGH or LOW
    5.0
    7.0
    8.0
    ns
    3-6
    * Voltage Range 5.0 V is 5.0 V
    ±
    0.5 V.
    CAPACITANCE
    Symbol
    Parameter
    Value
    Typ
    Unit
    Test Conditions
    CIN
    Input Capacitance
    4.5
    pF
    VCC = 5.0 V
    CI/O
    Input/Output Capacitance
    15
    pF
    VCC = 5.0 V
    CPD
    Power Dissipation Capacitance
    60
    pF
    VCC = 5.0 V
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