参数资料
型号: AD8150
厂商: Analog Devices, Inc.
英文描述: 33 x 17, 1.5 Gbps Digital Crosspoint Switch
中文描述: 33 × 17,1.5 Gbps的数字交叉点开关
文件页数: 14/35页
文件大小: 995K
代理商: AD8150
AD8150
–14–
REV. 0
CS
INPUT
UPDATE
INPUT
ENABLING
OUT[0:16][N:P]
OUTPUTS
DISABLING
OUT[0:16][N:P]
OUTPUTS
WE
INPUT
t
CSU
t
UOT
t
UOE
t
WOT
t
WHU
INPUT {DATA 1}
INPUT {DATA 1}
INPUT {DATA 2}
INPUT {DATA 0}
t
CHU
t
UW
t
WOD
Figure 27. First Rank Write Cycle and Second Rank Update Cycle
Table V. First Rank Write Cycle and Second Rank Update Cycle
Symbol
Parameter
Conditions
T
A
= 25
°
C
V
DD
= 5 V
V
CC
= 5 V
Min
Typ
Max
Unit
t
CSU
t
CHU
t
UOE
t
WOE
*
t
UOT
t
WOT
t
UOD
*
t
WOD
t
WHU
t
UW
Setup Time
Hold Time
Chip Select to Update
Chip Select from Update
0
0
ns
ns
Output Enable Times
Update to Output Enable
Write Enable to Output Enable
25
25
40
40
ns
ns
Output Toggle Times
Update to Output Reprogram
Write Enable to Output Reprogram
25
25
30
30
ns
ns
Output Disable Times
Update to Output Disabled
Write Enable to Output Disabled
25
25
30
30
ns
ns
Setup Time
Write Enable to Update
10
ns
Width of Update Pulse
15
ns
*
Not Shown.
A[4:0]
INPUTS
t
CSR
D[6:0]
OUTPUTS
t
RDE
t
AA
t
RHA
CS
INPUT
RE
INPUT
ADDR 1
ADDR 2
DATA
{ADDR1}
DATA {ADDR2}
t
CHR
t
RDD
Figure 28. Second Rank Readback Cycle
Table VI. Second Rank Readback Cycle
Symbol
Parameter
Conditions
T
A
= 25
°
C
V
DD
= 5 V
V
CC
= 5 V
10 k
20 pF on D[6:0]
Bus
Min
Typ
Max
Unit
t
CSR
t
CHR
t
RHA
t
RDE
t
AA
t
RDD
Setup Time
Hold Time
Chip Select to Read Enable
Chip Select from Read Enable
Address from Read Enable
Data from Read Enable
Data from Address
Data from Read Enable
0
0
5
ns
ns
ns
ns
ns
ns
Enable Time
Access Time
Release Time
15
15
15
30
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