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參數(shù)資料
| 型號： | BU-61845F3-740Z |
| 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, CERAMIC, FP-72 |
| 文件頁數(shù)： | 33/60頁 |
| 文件大小： | 700K |
| 代理商： | BU-61845F3-740Z |
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39
Data Device Corporation
www.ddc-web.com
BU-6174X/6184X/6186X
Rev. C
(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)
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 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
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 SELECT = “0” @ 12 MHz)
6.0
s
(contended access, with ENHANCED CPU SELECT = “0” @ 16 MHz)
4.6
s
(contended access, 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)
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
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