参数资料
型号: SLC88B17QFP
厂商: STANDARD MICROSYSTEMS CORP
元件分类: 总线控制器
英文描述: ISA BUS CONTROLLER, PQFP160
封装: QFP-160
文件页数: 28/54页
文件大小: 333K
代理商: SLC88B17QFP
SMSC DS – SLC88B17
Page 34
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
T44
nZEROWS Driven Active
from SA[19:0], nSBHE Valid
80
ns
M
16
Figure 4
T45
nZEROWS Driven Active
from SA[19:0], nSBHE Valid
200
ns
M,I/O
8
Figure 3
Figure 5
AEN
T46
AEN Valid Setup to nIox
Driven Active
111
ns
I/O
8,16
Figure 5
T47
AEN Valid Setup to BALE
Driven Inactive
111
ns
I/O
8,16
Figure 6
T48
AEN Valid Hold from nIox
Driven Inactive
41
ns
I/O
8,16
Figure 6
IOCHRDY
T49
IOCHRDY Driven Valid from
nMEMx, nIox Active
78
ns
M,I/O
16
Figure 4
Figure 6
T50
IOCHRDY Driven Valid from
nMEMx, nIox Active
366
ns
M,I/O
8
T51
IOCHRDY Inactive Pulse
Width
0.12
15.6
s
M,I/O
8,16
Figure 4
SLC88B17 AS SLAVE TIMINGS
LA[23:17]
T52
LA[23:17] Valid Setup to
nMEMx Active
23
ns
M
16
Figure 7
SA[19:0], NSBHE
T53
SA[19;0], nSBHE Setup to
nMEMx Active
23
ns
M
16
Figure 7
T54
SA[19;0], nSBHE Setup to
nIox Active
89
ns
I/O
8
Figure 8
T55
SA[19;0], nSBHE Valid Hold
from nMEMx, nIox Inactive
30
ns
M,I/O
8,16
Figure 7
Figure 8
nMEMR, nMEMW, nIOR, nIOW
T56
nMEMx Active Pulse Width
214
ns
M
16
Figure 7
T57
nIox Active Pulse Width
509
ns
I/O
8
T58
nMEMx Inactive Pulse Width
92
ns
M
16
T59
nIox Inactive Pulse Width
152
ns
I/O
8
READ DATA
T60
Read Data Valid from
IOCHRDY Active
69
ns
M,I/O
8,16
Figure 7
Figure 8
T61
Read Data Valid from nIOR
Active
69
ns
I/O
8
T62
Read Data Valid Hold from
nMEMR, nIOR, Inactive
0
ns
M,I/O
8,16
Figure 7
Figure 8
T63
Read Data Tri-Stated from
nMEMR, nIOR Inactive
55
ns
M,I/O
8,16
Figure 8
WRITE DATA
T64
Write Data Setup to nMEMW,
nIOW Active
-54
ns
M,I/O
8,16
Figure 7
Figure 8
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