FDC37B727-NS Standard Microsystems (SMSC), FDC37B727-NS Datasheet - Page 208
FDC37B727-NS
Manufacturer Part Number
FDC37B727-NS
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.FDC37B727-NS.pdf
(238 pages)
Specifications of FDC37B727-NS
Pin Count
128
Lead Free Status / RoHS Status
Compliant
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Company:
Part Number:
FDC37B727-NS
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Part Number:
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ISA WRITE
Note 1: FINTR refers to the IRQ used by the floppy disk
Note 2: PINTR refers to the IRQ used by the parallel port
NAME
SA[x],
t10
t1
t2
t3
t4
t5
t6
t7
t8
t9
PINTR
FINTR
nIOW
SD[x]
AEN
IBF
SA[x], nCS and AEN valid to nIOW asserted
nIOW asserted to nIOW deasserted
nIOW asserted to SA[x], nCS invalid
SD[x] Valid to nIOW deasserted
SD[x] Hold from nIOW deasserted
nIOW deasserted to nIOW asserted
nIOW deasserted to FINTR deasserted (Note 1)
nIOW deasserted to PINTER deasserted (Note 2)
IBF (internal signal) asserted from nIOW deasserted
nIOW deasserted to AEN invalid
t1
DESCRIPTION
FIGURE 14 - ISA WRITE TIMING
t3
TABLE 82 - ISA WRITE TIMING
DATA
t2
t4
209
t10
t5
t7
MIN
10
80
10
45
25
10
t8
t6
t9
TYP
MAX
260
55
40
0
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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