• 參數(shù)資料
    型號: 74F646BSDMSACQB
    廠商: National Semiconductor Corporation
    英文描述: Octal Transceiver/Register with TRI-STATE Outputs
    中文描述: 八路收發(fā)器/注冊的三態(tài)輸出
    文件頁數(shù): 8/12頁
    文件大?。?/td> 217K
    代理商: 74F646BSDMSACQB
    ’F646B
    AC Electrical Characteristics
    74F
    54F
    74F
    T
    A
    e a
    25
    §
    C
    V
    CC
    e a
    5.0V
    C
    L
    e
    50 pF
    T
    A
    , V
    CC
    e
    Mil
    C
    L
    e
    50 pF
    T
    A
    , V
    CC
    e
    Com
    C
    L
    e
    50 pF
    Symbol
    Parameter
    Units
    Min
    Max
    Min
    Max
    Min
    Max
    f
    max
    Maximum Clock Frequency
    165
    150
    MHz
    t
    PLH
    t
    PHL
    Propagation Delay
    Clock to Bus
    2.5
    3.0
    7.0
    7.5
    2.5
    3.0
    8.0
    8.0
    ns
    t
    PLH
    t
    PHL
    Propagation Delay
    Bus to Bus
    2.0
    2.0
    6.0
    6.0
    2.0
    2.0
    7.0
    7.0
    ns
    t
    PLH
    t
    PHL
    Propagation Delay
    SBA or SAB to A or B
    2.5
    2.5
    7.5
    7.5
    2.5
    2.5
    8.5
    8.5
    ns
    t
    PZH
    t
    PZL
    Enable Time
    OE to A or B
    2.5
    2.5
    6.5
    9.0
    2.5
    2.5
    8.0
    10.0
    ns
    t
    PHZ
    t
    PLZ
    Disable Time
    OE to A or B
    1.5
    2.0
    6.5
    7.0
    1.5
    2.0
    7.5
    8.5
    ns
    t
    PZH
    t
    PZL
    Enable Time
    DIR to A or B
    2.0
    3.0
    7.0
    9.5
    2.0
    3.0
    8.5
    10.0
    ns
    t
    PHZ
    t
    PLZ
    Disable Time
    DIR to A or B
    1.5
    2.5
    7.5
    8.5
    1.5
    2.5
    8.5
    9.5
    ns
    ’F646B
    AC Operating Requirements
    74F
    54F
    74F
    Symbol
    Parameter
    T
    A
    e a
    25
    §
    C
    V
    CC
    e a
    5.0V
    T
    A
    , V
    CC
    e
    Mil
    T
    A
    , V
    CC
    e
    Com
    Units
    Min
    Max
    Min
    Max
    Min
    Max
    t
    s
    (H)
    t
    s
    (L)
    Setup Time, HIGH or LOW
    Bus to Clock
    5.0
    5.0
    4.0
    4.0
    ns
    t
    h
    (H)
    t
    h
    (L)
    Hold Time, HIGH or LOW
    Bus to Clock
    1.5
    1.5
    1.5
    1.5
    ns
    t
    w
    (H)
    t
    w
    (L)
    Clock Pulse Width
    HIGH or LOW
    5.0
    5.0
    5.0
    5.0
    ns
    Ordering Information
    The device number is used to form part of a simplified purchasing code where the package type and temperature range are
    defined as follows:
    74F
    646/646B/648
    S
    C
    X
    Temperature Range Family
    74F
    e
    Commercial
    54F
    e
    Military
    Special Variations
    QB
    e
    Military grade device with
    environmental and burn-in
    processing
    X
    e
    Devices shipped in 13
    ×
    reel
    Device Type
    Package Code
    SP
    e
    Slim Plastic DIP
    SD
    e
    Slim Ceramic DIP
    S
    e
    Small Outline (SOIC)
    MSA
    e
    Shrink Small Outline SOIC EIAJ Type II (M646 only)
    L
    e
    Leadless Chip Carrier
    F
    e
    Flatpak
    Temperature Range
    C
    e
    Commercial
    (0
    §
    C to
    a
    70
    §
    C)
    M
    e
    Military
    (
    b
    55
    §
    C to
    a
    125
    §
    C)
    8
    相關(guān)PDF資料
    PDF描述
    74F646BSDMSACX Octal Transceiver/Register with TRI-STATE Outputs
    74F646BSDMSAMQB Octal Transceiver/Register with TRI-STATE Outputs
    74F646BSDMSAMX Octal Transceiver/Register with TRI-STATE Outputs
    74F646BSMQB Octal Transceiver/Register with TRI-STATE Outputs
    74F646BSMX Octal Transceiver/Register with TRI-STATE Outputs
    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    74F646BSDMSACX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs
    74F646BSDMSAMQB 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs
    74F646BSDMSAMX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs
    74F646BSMQB 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs
    74F646BSMX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Transceiver/Register with TRI-STATE Outputs