參數資料
      型號: BU-61845G4-140L
      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: 25.40 X 25.40 MM, 2.54 MM HEIGHT, CERAMIC, QFP-72
      文件頁數: 33/60頁
      文件大小: 457K
      代理商: BU-61845G4-140L
      39
      Data Device Corporation
      www.ddc-web.com
      BU-6174X/6184X/6186X
      F-10/02-300
      (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 ACCESS = “0” @ 20 MHz)
      3.6
      s
      Time 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 ACCESS = “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
      10
      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 ACCESS = “0” @ 12 MHz)
      6.0
      s
      (contended access, with ENHANCED CPU ACCESS = “0” @ 16 MHz)
      4.6
      s
      (contended access, with ENHANCED CPU ACCESS = “1” @ 16 MHz)
      425
      ns
      (uncontended access @ 12 MHz)
      133
      ns
      (contended access, with ENHANCED CPU ACCESS = “1” @ 10 MHz)
      650
      ns
      (contended access, with ENHANCED CPU ACCESS = “1” @ 12 MHz)
      550
      ns
      (uncontended access @ 10 MHz)
      150
      ns
      (contended access, with ENHANCED CPU ACCESS = “0” @ 10 MHz)
      7.2
      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
      10
      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
      PDF描述
      BU-61845G4-140Q 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
      BU-61845G4-140S 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
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