FDC37C669-MS Standard Microsystems (SMSC), FDC37C669-MS Datasheet - Page 140

• Manufacturer Part Number: FDC37C669-MS
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37C669-MS

• Pin Count: 100
• Lead Free Status / RoHS Status: Compliant

AX , A EN,
nI OC S16
(D0-D7)
NOTE: PINTR is the interrupt assigned to the Paral lel Port
FINTR
PI NTR
DAT A
nIOW
t1
t2
t3
t4
t5
t6
t7
FINTR is the interrupt assigned to the Floppy Disk
A0-A9, AEN , nIOCS16 Set Up to
n IOW Lo w
nIOW Width
A0-A9, AEN , nIOCS16 Ho ld from
nIOW High
Data Set U p Time to nIOW Hig h
Data Ho ld Time from n IOW High
Write Strobe to Cle ar FINTR
nIOW Inactive to PINTR Inactive
FIGURE 4 - MICROPROCESSOR WRITE TIMING
t1
Parameter
140
t2
DATA VALID
t4
min
15 0
40
10
40
10
typ
40
t6
max
t3
t5
26 0
t7
55
u nits
ns
ns
ns
ns
ns
ns
ns