MB86967 Datasheet, PDF (99/129 Pages) Fujitsu Component Limited. – LAN Controller with PC Card, ISA Bus, and General-purpose Bus Interfaces

MB86967
(11)ISA Bus Mode Read Cycle
Parameter
From the rising edge of SA19 to SA14, SA9 to SA0, and
ALE or establishment of AEN or SBHE until IOR assert
Hold time of SA19 to SA14, SA9 to SA0, AEN, SBHE
from IOR negate
IOR pulse width
From IOR negate to IOCHRDY negate
IOCHRDY pulse width (on conflict at the time of BMPR8
access)
From IOCHRDY assert to SD15 to 0 enabled
From IOCHRDY assert to IOR hold time
From IOR assert to SD15 to 0 enabled (no conflict on bus
access)
From IOR negate to SD15 to SD0 high impedance
From SA19 to SA14, SA9 to SA0, ALE rising edge, AEN
or SBHE rising edge up to IOCS16 assert
From SA19 to SA14, SA9 to SA0, ALE rising edge, AEN
or SBHE rising edge up to IOCS16 negate
From IOR assert to ENHB, or ENLB assert
From IOR negate to ENHB or ENLB negate
ALE pulse width
(VDD = +5 V ± 5%, GND = 0 V, Ta = 0°C to +70°C)
Value
Symbol
Unit
Min.
Typ.
Max.
t1
15
—
—
ns
t2
21
—
—
ns
t3
50
—
—
ns
t4
—
—
20
ns
t5
—
—
175
ns
t6
—
—
30
ns
t7
20
—
—
ns
t8
—
—
38
ns
t9
—
—
38
ns
t10
—
—
28
ns
t11
—
—
71
ns
t12
—
—
46
ns
t13
—
—
24
ns
t14
30
—
—
ns
ALE
SA19 to 14, 9 to 0
AEN, SBHE
IOR
IOCHRDY
SD15 to 0
IOCS16
ENHB, ENLB
t14
t1
t4
t10
t12
t3
t5
t7
t6
t8
t2
t9
t11
t13
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