參數(shù)資料
型號: SLC88B17QFP
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 總線控制器
英文描述: ISA BUS CONTROLLER, PQFP160
封裝: QFP-160
文件頁數(shù): 27/54頁
文件大?。?/td> 333K
代理商: SLC88B17QFP
SMSC DS – SLC88B17
Page 33
Rev. 09/28/99
Table 7 - ISA Bus Timing
FUNCTIONAL OPERATING RANGE (VCC=5.0V
±±±± 0.25V, TCASE=0°°°°C TO +85°°°°C)
SYMBOL
PARAMETER
MIN
MAX
UNITS
TYPE
SIZE
NOTES
FIGURE
T27
Read Data Tri-Stated from
nMEMR & nIOR Inactive
41
ns
M,I/O
8,16
Figure 3
Figure 4
WRITE DATA
T28
Write Data Valid Setup to
nMEMW Active
Write Data Valid Setup to
nIOW Active
Write Data Valid Setup to
nIOW Active
-40
+23
ns
M,I/O
8,16
8
16
Figure 3
Figure 4
T29
Write Data Valid Hold from
nMEMW, nIOW Inactive
45
ns
M,I/O
8,16
Figure 3
Figure 4
T30
Write Data Tri-Stated from
nMEMW, nIOW Inactive
105
ns
M,I/O
8,16
T31
Write Data Driven Valid after
Read nMEMR, nIOR Inactive
41
ns
M,I/O
8,16
nMEMCS16
T32
nMEMCS16 Driven Active
from LA[23:17] Valid
94
ns
M
16
Figure 4
T33
nMEMCS16 Inactive from
LA[23:17] Valid
91
ns
M
8
Figure 3
T34
nMEMCS16 Valid Hold from
LA[23:17] Invalid
0ns
M
16
Figure 4
T35
nMEMCS16 Driven Active
from SA[19:2] Valid
35
ns
M
16
Figure 4
nIOCS16
T36
nIOCS16 Driven Active from
Valid SA[19:0]
123
ns
I/O
16
Figure 6
T37
nIOCS16 Inactive from Valid
SA[19:0]
91
ns
I/O
8
Figure 5
T38
nIOCS16 Valid Hold from
SA[19:0] Invalid
0
ns
I/O
16
Figure 6
T39
nIOCS16 Driven Active from
nIox Active
80
ns
I/O
16
Figure 6
nZEROWS
T40
nZEROWS Driven Active
from nMEMx Active
16
ns
M
16
Figure 4
T41
nZEROWS Driven Active
from nMEMx, nIox Active
80
ns
M,I/O
8
Figure 3
T42
nZEROWS Driven Active
from LA[23:17] Valid
180
ns
M
16
T43
nZEROWS Driven Active
from LA[23:17] Valid
300
ns
M
8
Figure 3
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