FDC37C665IR SMSC Corporation, FDC37C665IR Datasheet - Page 139
FDC37C665IR
Manufacturer Part Number
FDC37C665IR
Description
3/5 Volt Advanced High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controller with Infranred Support
Manufacturer
SMSC Corporation
Datasheet
1.FDC37C665IR.pdf
(162 pages)
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FDC37C665IR
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(DO-D7)
nDACK
FDRQ,
PDRQ
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
t1
FIGURE 6 - DMA TIMING
t6
t5
t11
t3
139
t2
t7
t13
min
150
40
10
10
10
60
40
10
t4
0
0
0
5
t16
t8
DATA VALID
typ
max
100
100
100
100
60
t12
t10
t9
t15
units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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