參數(shù)資料
    型號: BU-61705F4-490
    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: CERAMIC, QFP-72
    文件頁數(shù): 22/54頁
    文件大小: 576K
    代理商: BU-61705F4-490
    29
    Data Device Corporation
    www.ddc-web.com
    BU-61703/61705
    D1 web-09/02-0
    NOTES:
    (1)
    During Auto-Configuration the SSRT samples data three clock cycles following the falling edge of DTACK.
    (2)
    If self-test mode is not enabled, then RTACTIVE will go active high 1 clock cycle following the rising edge of DTACK.
    If self-test is enabled then RTACTIVE will be delayed from going active high in accordance with ‘t12’.
    t2
    CLOCK IN rising to DTREQ low
    ALL
    ns
    t3
    DTREQ (low) - to - DTGRT delay time
    ALL
    s
    t4
    DTGRT low setup prior to CLOCK IN rising
    ALL
    ns
    t6
    CLOCK IN rising to DTACK low
    ALL
    ns
    t7
    DTGRT hold time following DTACK falling
    ALL
    ns
    t9
    Time for input data to become valid following falling edge of DTACK
    t12
    RTACTIVE high delayed from DTACK high (see Note 2)
    t13
    CLOCK IN rising to RTACTIVE high
    ALL
    ns
    REF
    DESCRIPTION
    CLOCK
    FREQUENCY
    VALUE @5 VOLTS
    UNITS
    TABLE FOR FIGURE 12. AUTO-CONFIGURATION - DMA READ TIMING
    MIN
    TYP
    MAX
    40
    10
    40
    30
    20 MHz
    ns
    120
    16 MHz
    ns
    157
    12 MHz
    ns
    220
    10 MHz
    ns
    270
    20 MHz
    ms
    1.6
    16 MHz
    ms
    2.0
    12 MHz
    ms
    2.7
    10 MHz
    ms
    3.2
    t5
    DTGRT falling to DTACK low
    20 MHz
    ns
    100
    16 MHz
    ns
    113
    12 MHz
    ns
    133
    10 MHz
    ns
    150
    t8
    DTACK low pulse width
    20 MHz
    185
    ns
    200
    215
    16 MHz
    235
    ns
    250
    265
    12 MHz
    318
    ns
    333
    348
    10 MHz
    385
    ns
    400
    415
    VALUE @3.3 VOLTS
    MIN
    TYP
    MAX
    40
    10
    40
    30
    40
    120
    157
    220
    270
    1.6
    2.0
    2.7
    3.2
    105
    118
    138
    155
    185
    200
    215
    235
    250
    265
    318
    333
    348
    385
    400
    415
    t10
    Data input hold time following sampling time (see Note 1)
    ALL
    30
    ns
    30
    t11
    CLOCK IN rising to DTREQ, DTACK, and MEMOE high
    ALL
    ns
    30
    40
    t1
    MSTCLR high delay to DTREQ low
    20 MHz
    35
    ns
    50
    65
    16 MHz
    47.5
    ns
    62.5
    77.5
    12 MHz
    68.3
    ns
    83.3
    98.3
    10 MHz
    85
    ns
    100
    115
    35
    50
    65
    47.5
    62.5
    77.5
    68.3
    83.3
    98.3
    85
    100
    115
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