• <big id="63soe"><sup id="63soe"><thead id="63soe"></thead></sup></big>
    參數資料
    型號: BU-61865F4-142Y
    廠商: DATA DEVICE CORP
    元件分類: 微控制器/微處理器
    英文描述: 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
    封裝: 1 X 1 INCH, 0.155 INCH HEIGHT, FP-72
    文件頁數: 33/56頁
    文件大小: 321K
    代理商: BU-61865F4-142Y
    39
    (uncontended access @ 16 MHz)
    112
    ns
    TABLE FOR FIGURE 14. CPU WRITING RAM OR REGISTERS (SHOWN FOR 16-BIT, BUFFERED, NONZERO WAIT MODE)
    3.3V LOGIC
    5V LOGIC
    @ 16 MHz
    t1
    SELECT and STRBD low setup time prior to clock rising edge
    10
    ns
    50
    t2
    SELECT and STRBD low to IOEN low (uncontended access @ 20 MHz)
    100
    ns
    (contended access, with ENHANCED CPU SELECT = “0” @ 20 MHz)
    2.2
    s
    Tme for MEM/REG and RD/WR to become valid following SELECT and STRBD
    low(@ 20 MHz)
    15
    ns
    @ 16 MHz
    21
    ns
    45
    Time for Address to become valid following SELECT and STRBD low (@ 20 MHz)
    17
    ns
    Time for data to become valid following SELECT and STRBD low ( @ 20 MHz )
    37
    ns
    t7
    SELECT hold time following IOEN falling
    0
    ns
    @ 12 MHz
    t10
    Address valid setup time prior to CLOCK IN rising edge
    30
    ns
    IOEN falling delay to READYD falling @ 20 MHz
    85
    100
    115
    ns
    t12
    Address valid hold time prior to CLOCK IN rising edge
    30
    ns
    70
    85
    100
    115
    6, 9
    @ 16 MHz
    ns
    t8
    MEM/REG, RD/WR setup time prior to CLOCK IN falling edge
    10
    ns
    110
    125
    140
    ns
    110 125
    140
    6, 9
    @ 12 MHz
    152
    167
    65
    t11
    Data valid setup time prior to CLOCK IN rising edge
    10
    ns
    t9
    MEM/REG, RD/WR setup time following CLOCK IN falling edge
    30
    ns
    t5
    (contended access, with ENHANCED CPU SELECT = “1” @ 20 MHz)
    350
    ns
    @ 10 MHz
    @ 16 MHz
    30
    ns
    t6
    CLOCK IN rising edge delay to IOEN falling edge
    40
    ns
    87
    t13
    Data valid hold time following CLOCK IN rising edge
    10
    ns
    t15
    CLOCK IN rising edge delay to READYD falling
    40
    ns
    t16
    READYD falling to STRBD rising release time
    ns
    82
    t17
    STRBD rising delay to IOEN rising edge and READYD rising edge
    30
    ns
    t18
    STRBD high hold time from READYD rising
    0
    ns
    182
    ns
    152 167
    182
    6, 9
    t14
    @ 10 MHz
    185
    200
    215
    ns
    185 200
    215
    6, 9
    @ 12 MHz
    50
    ns
    t4
    @ 10 MHz
    67
    ns
    @ 12 MHz
    32
    ns
    t3
    @ 10 MHz
    40
    ns
    (contended access, with ENHANCED CPU SELECT = “0” @ 12 MHz)
    3.7
    s
    (contended access, with ENHANCED CPU SELECT = “0” @ 16 MHz)
    2.8
    s
    (contended acces, with ENHANCED CPU SELECT = “1” @ 16 MHz)
    425
    ns
    (uncontended access @ 12 MHz)
    133
    ns
    (contended access, with ENHANCED CPU SELECT = “1” @ 10 MHz)
    650
    ns
    (contended access, with ENHANCED CPU SELECT = “1” @ 12 MHz)
    550
    ns
    (uncontended access @ 10 MHz)
    150
    ns
    (contended access, with ENHANCED CPU SELECT = “0” @ 10 MHz)
    4.4
    s
    117
    2, 6
    2, 10
    NOTES
    15
    105
    2.2
    10
    16
    12
    32
    0
    35
    30
    15
    35
    355
    25
    40
    15
    40
    40
    0
    45
    62
    27
    35
    3.7
    2.8
    430
    138
    655
    555
    155
    4.4
    REF
    DESCRIPTION
    MIN
    TYP MAX
    UNITS
    MIN TYP MAX
    2, 6
    3, 4, 5, 7
    2
    7, 8
    7, 8, 9
    3, 4, 5, 7
    2, 6
    6
    9
    6
    3, 4, 5, 7
    2, 6
    相關PDF資料
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