FDC37C665GT_07 SMSC [SMSC Corporation], FDC37C665GT_07 Datasheet - Page 136
FDC37C665GT_07
Manufacturer Part Number
FDC37C665GT_07
Description
High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37C665GT_07.pdf
(152 pages)
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(DO-D7)
FDRQ,
PDRQ
nDACK
DATA
nIOW
nIOR
AEN
TC
or
t10
t11
t12
t13
t14
t15
t16
t1
t2
t3
t4
t5
t6
t7
t8
t9
nDACK Delay Time from FDRQ High
DRQ Reset Delay from nIOR or nIOW
FDRQ Reset Delay from nDACK Low
nDACK Width
nIOR Delay from FDRQ High
nIOW Delay from FDRQ High
Data Access Time from nIOR Low
Data Set Up Time to nIOW High
Data to Float Delay from nIOR High
Data Hold Time from nIOW High
nDACK Set Up to nIOW/nIOR Low
nDACK Hold After nIOW/nIOR High
TC Pulse Width
AEN Set Up to nIOR/nIOW
AEN Hold from nDACK
TC Active to PDRQ Inactive
Parameter
t14
FIGURE 6 - DMA TIMING
t1
t6
t5
t11
136
t3
t16
t2
t7
t13
min
150
40
10
10
10
60
40
10
t4
0
0
0
5
t8
typ
DATA VALID
t12
max
100
100
100
100
60
t10
t9
t15
units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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