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  • 參數(shù)資料
    型號(hào): GMS90C51
    英文描述: 8-Bit CMOS Microcontrollers(高性價(jià)比的51單片機(jī),片內(nèi)4KROM,128字節(jié)RAM,工作電壓5V)
    中文描述: 8位CMOS微控制器(高性價(jià)比的51單片機(jī),片內(nèi)4KROM,128字節(jié)的RAM,工作電壓5V的)
    文件頁(yè)數(shù): 43/59頁(yè)
    文件大?。?/td> 812K
    代理商: GMS90C51
    AC Characteristics for GMS90series (40MHz version)
    External Data Memory Characteristics
    Parameter
    Symbol
    Limit Values
    Unit
    40 MHz
    Clock
    Variable Clock
    1/
    t
    CLCL
    = 3.5 MHz to 40 MHz
    min.
    max.
    min.
    max.
    RD pulse width
    t
    RLRH
    120
    -
    6
    t
    CLCL
    - 30
    -
    ns
    WR pulse width
    t
    WLWH
    120
    -
    6
    t
    CLCL
    - 30
    -
    ns
    Address hold after ALE
    t
    LLAX2
    10
    -
    t
    CLCL
    - 15
    -
    ns
    RD to valid data in
    t
    RLDV
    -
    75
    -
    5
    t
    CLCL
    - 50
    ns
    Data hold after RD
    t
    RHDX
    0
    -
    0
    -
    ns
    Data float after RD
    t
    RHDZ
    -
    38
    -
    2
    t
    CLCL
    - 12
    ns
    ALE to valid data in
    t
    LLDV
    -
    150
    -
    8
    t
    CLCL
    - 50
    ns
    Address to valid data in
    t
    AVDV
    -
    150
    -
    9
    t
    CLCL
    - 75
    ns
    ALE to WR or RD
    t
    LLWL
    60
    90
    3
    t
    CLCL
    - 15
    3
    t
    CLCL
    + 15
    ns
    Address valid to WR or RD
    t
    AVWL
    70
    -
    4
    t
    CLCL
    - 30
    -
    ns
    WR or RD high to ALE high
    t
    WHLH
    10
    40
    t
    CLCL
    - 15
    t
    CLCL
    + 15
    ns
    Data valid to WR transition
    t
    QVWX
    5
    -
    t
    CLCL
    - 20
    -
    ns
    Data setup before WR
    t
    QVWH
    125
    -
    7
    t
    CLCL
    - 50
    -
    ns
    Data hold after WR
    t
    WHQX
    5
    -
    t
    CLCL
    - 20
    -
    ns
    Address float after RD
    t
    RLAZ
    -
    0
    -
    0
    ns
    8-Bit CMOS Microcontroller
    GMS90 Series
    MAY. 1998
    43
    LG Semicon MCU
    相關(guān)PDF資料
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    GMS90C52 8-Bit CMOS Microcontrollers(高性價(jià)比的51單片機(jī),片內(nèi)8KROM,256字節(jié)RAM,工作電壓5V)
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    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    GMS90C52 制造商:HYNIX 制造商全稱(chēng):Hynix Semiconductor 功能描述:HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS
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    GMS90L31 制造商:HYNIX 制造商全稱(chēng):Hynix Semiconductor 功能描述:HYNIX SEMICONDUCTOR INC. 8-BIT SINGLE-CHIP MICROCONTROLLERS