PC87332VLJ-5 NSC [National Semiconductor], PC87332VLJ-5 Datasheet - Page 93

• Manufacturer Part Number: PC87332VLJ-5
• Description: PC87332VLJ (3.3V/5V) and PC87332VLJ-5 (5V) (SuperI/OTM III Premium Green) Floppy Disk Controller, Dual UARTs, IEEE1284 Parallel Port, and IDE Interfac
• Manufacturer: NSC [National Semiconductor]

9 0 Electrical Characteristics
9 3 9 Reset Timing
Note 1 The FDC software reset pulse width is 100 ns
Note 2 FDRQ and IRQ6 will be TRI-STATE after time t
9 3 10 Write Data Timing
Note See Section 10 3 2 for t
Symbol
t
t
t
HDH
HDS
WDW
Symbol
t
t
RW
RC
ICP
HDSEL Hold from WGATE Inactive
HDSEL Setup to WGATE Active
Write Data Pulse Width
description
Data Rate
500 kbps
300 kbps
250 kbps
1 Mbps
Reset Width (Note 1)
Reset to Control Inactive
Parameter
Parameter
RC
TABLE 9-2 Minimum t
t
1000
2000
3333
4000
FIGURE 9-10 Write Data Timing
when in the PC-AT or Model 30 mode
DRP
(Continued)
FIGURE 9-9 Reset Timing
2
2
2
2
t
WDW
c
c
c
c
93
t
t
t
t
ICP
ICP
ICP
ICP
WDW
See Table 10-2
Min
t
22
WDW
Values
250
250
375
500
Min
750
100
Value
Units
Max
300
ns
ns
ns
ns
Max
TL C 11930 – 34
TL C 11930 – 35
Units
ns
Units
s
ns
s
s