82091AA Datasheet, PDF (172/204 Pages) Intel Corporation – ADVANCED INTEGRATED PERIPHERAL (AIP)

82091AA
Table 43 AC Specifications (V_CC^e 5V g 10% or (3 3V g 0 3V) T_amb^e0 C to 70 C) (Continued)
Symbol
Parameter
Min Max Units Notes Figure
PARALLEL PORT
PD 7 0
t16a PD 7 0 Delay from IOWC Inactive
60 (90) ns ISA PS 2 wr 87
t16b PD 7 0 Delay from IOWC Active
70 (100) ns EPP wr 82
t16c PD 7 0 Float Delay from AUTOFD SELECTIN Inactive 50
ns EPP wr 82
t16d PD 7 0 Delay from IORC Active
70 (100) ns EPP rd
83
t16e PD 7 0 Float Delay from AUTOFD SELECTIN Inactive 50
ns EPP rd
83
t16f PD 7 0 Setup to STROBE Active
450
ISA FIFO 84
t16g PD 7 0 Hold from STROBE Inactive
450
ISA FIFO 84
t16h PD 7 0 Hold from BUSY Inactive
0
ECP fwd 85
t16i PD 7 0 Setup to ACK High
0
ECP rev 86
t16j PD 7 0 Hold from AUTOFD Low
0
ECP rev 86
STROBE
t17a STROBE Delay from IOWC Inactive
60 90
ISA PS 2 87
t17b STROBE Delay from IORC IOWC Active
60 90
EPP 82 83
t17c STROBE Active from BUSY Inactive
500
ISA FIFO 84
t17d STROBE Active Pulse Width
450
ISA FIFO 84
t17e STROBE Active from BUSY Inactive
0
ECP fwd 85
t17f STROBE Inactive Delay from BUSY Active
0
ECP fwd 85
AUTOFD
t18a AUTOFD Delay from IOWC Inactive
60 (90) ns ISA PS 2 82 87
t18b AUTOFD Delay from IORC IOWC Active
60 (90) ns
EPP 82 83
t18c AUTOFD Hold from BUSY Inactive
80
ns ECP fwd 85
t18d AUTOFD Low Delay from ACK Inactive
0
ns ECP rev 86
t18e AUTOFD High Delay from ACK Active
0
ns ECP rev 86
INIT
t19a INIT Delay from IOWC Inactive
60 (90) ns All Modes 87
172