PC87332VLJ-5 NSC [National Semiconductor], PC87332VLJ-5 Datasheet - Page 87

• 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 3 Microprocessor Interface Timing
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RC
WC
AR
AW
DH
DS
HZ
PS
RA
RCU
RD
RDH
RI
RVD
WA
WCU
WI
WO
WR
Valid Address to Read Active
Valid Address to Write Active
Data Hold
Data Setup
Read to Floating Data Bus
Port Setup
Address Hold from Inactive Read
Read Cycle Update
Read Strobe Width
Read Data Hold
Read Strobe to Clear IRQ6
Active Read to Valid Data
Address Hold from Inactive Write
Write Cycle Update
Write Strobe to Clear IRQ6
Write Data to Port Update
Write Strobe Width
Read Cycle
Write Cycle
Parameter
e
e
FIGURE 9-2 Microprocessor Read Timing
t
t
AR
AW
a
a
(Continued)
t
t
RD
WR
a
a
t
RCU
t
WCU
87
Min
123
123
18
18
18
13
10
45
60
10
45
60
0
0
0
Max
25
55
55
55
60
TL C 11930 – 25
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns