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80386
Table 7-4. 80386-16 A.C. Characteristics (Continued)
Symbol
NOTES:
Parameter
RESET Hold Time
NMI, INTR Setup Time
NMI, INTR Hold Time
PEREQ,ERROR#,BUSY#
Setup Time
PEREQ,ERROR#,BUSY#
Hold Time
80386-16 80386-16
Min
Max
3
15
15
15
9
1.
Float
condition
occurs
when
maximum
output
current
becomes
less
than
IL
tested.
2.
These
inputs
are
aI/owed
to
be
asynchronous
to
CLK2.
The
setup
and
hoi
to
assure
recognition
within
a specific
CLK2
period.
Symbol
Parameter
Min
Operating Frequency
t1
CLK2 Period
t2a
CLK2 High Time
t2b
CLK2 High Time
t3a
ns
t3b
ns
t4
ns
ts
8 ns
t6
45 ns
t7
45
ns
ta
45 ns
Valid Delay
tg
BEO#-BE3#,
LOCK#
45 ns
Float Delay
tlO
W/R#,
M/IO#,
D/C#,
4
40 ns
ADS#
Valid Delay
t11
W/R#,
M/IO#,
D/C#,
4
40 ns
ADS #
Float Delay
t12
DO-D31 Write Data 55 ns
Valid Delay
t13
DO-D31 Write Data 44 ns
Float Delay
t14
HLDA Valid Delay
2 40
ns
104
Unit
ns
ns
ns
ns
7-3
7-3
7-3
7-3
7-3
7-3
7-5
7-6
7-5
7-6
7-5
7-6
7-5
7-6
7-6
Ref.
Notes
Figure
7-7
7-4
(Note 2)
7-4 (Note 2)
7-4 (Note 2)
(Note 2)
elay
is
not
100%
Notes
Frequency
at2V
at
(VCC
- 0.8V)
at2V
at
0.8V
(Vee - 0.8V) to 0.8V
0.8V
to
(Vce
- 0.8V)
CL=120pF
(Note 1)
CL
= 75 pF
(Note 1)
CL
= 75 pF
(Note
1)
CL = 120 pF
(Note 1)
CL
= 75 pF