参数资料
型号: BU-61705F3-180L
厂商: DATA DEVICE CORP
元件分类: 微控制器/微处理器
英文描述: 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
封装: CERAMIC, QFP-72
文件页数: 18/54页
文件大小: 576K
代理商: BU-61705F3-180L
25
Data Device Corporation
www.ddc-web.com
BU-61703/61705
D1 web-09/02-0
t1
CLOCK IN rising to DTREQ low
ALL
ns
t2
DTREQ (low) - to - DTGRT (low) delay time
ALL
s
t4
DTGRT low setup prior to CLOCK IN rising
ALL
10
ns
t6
CLOCK IN rising to DTACK low
ALL
ns
t7
Data output valid following CLOCK IN rising
ALL
ns
t8
DTGRT hold time following DTACK falling
ALL
ns
t10
Data output setup time prior to MEMWR low
t12
MEMWR low pulse width
t13
CLOCK IN rising to MEMWR high
ALL
ns
t15
CLOCK IN rising to DTREQ and DTACK high
ALL
ns
REF
DESCRIPTION
CLOCK
FREQUENCY
VALUE @5 VOLTS
UNITS
TABLE FOR FIGURE 10. SSRT DMA WRITE TIMING (NON-BURST)
MIN
TYP
MAX
40
10
40
30
40
30
20 MHz
60
ns
16 MHz
85
ns
12 MHz
127
ns
10 MHz
160
ns
20 MHz
40
ns
50
16 MHz
52.5
ns
62.5
12 MHz
73.3
ns
83.3
10 MHz
90
ns
100
t3
CWC setup time prior to MEMWR falling
(see Note)
20 MHz
110
ns
16 MHz
148
ns
12 MHz
210
ns
10 MHz
260
ns
t5
DTGRT falling to DTACK low
20 MHz
ns
100
16 MHz
ns
113
12 MHz
ns
133
10 MHz
ns
150
t9
DTACK low pulse width
20 MHz
ns
200
16 MHz
ns
250
12 MHz
ns
333
10 MHz
ns
400
t11
CLOCK IN rising to MEMWR low
ALL
ns
40
t14
Data output hold time following MEMWR high
20 MHz
20
ns
16 MHz
33
ns
12 MHz
53
ns
10 MHz
70
ns
t17
Data output signal Tri-State following CLOCK IN rising
ALL
ns
40
15
VALUE @3.3 VOLTS
MIN
TYP
MAX
40
10
40
30
40
60
85
127
160
40
50
52.5
62.5
73.3
83.3
90
100
110
148
210
260
105
118
138
155
200
250
333
400
40
10
23
43
60
40
t16
Data output hold time following CLOCK IN rising
ALL
10
ns
15
NOTES:
(1)
Assume that DTGRT is low at the time DTREQ is asserted low. If not, these values can increase by the delay time from DTREQ (low) - to - DTGRT
(low).
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