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A.C. CHARACTERISTICS
MAX
MODE SYSTEM (USING 8288 BUS CONTROLLER)
TIMING
REQUIREMENTS
8088
Symbol
Parameter
Min.
TClCl
ClK
Cycle Period 200
TClCH
ClK
low
Time
118
TCHCl
ClK
High
Time
69
TCH1CH2
ClK
Rise Time
TCl2Cl1
ClK
Fall Time
TDVCl
Data In Setup Time
30
TClDX
Data
In
Hold Time 10
TR1VCl
RDY Setup Time
into
8284
35
(See Notes
1,
2)
TClR1X
RDY Hold Time
into
8284
a
(See Notes
1,
2)
TRYHCH
READY Setup Time
into
118
8088
TCHRYX READY Hold Time
into
8088
30
TRYlCl
READY Inactive to
ClK
(See
-8
Note
4)
Setup Time
for
Recognition
TINVCH (INTR, NMI, TEST)
30
(See Note
2)
TGVCH RQ/GT Setup Time
30
TCHGX
RQ
Hold Time into 8086 40
TILIH
Input
Rise Time
(Except
ClK)
TIHll
Input Fall Time (Except
ClK)
NOTES:
1.
Signal
at
8284
or
8288
shown
for reference
only.
Max.
500
10
10
20
12
8088ยท2
Min.
125
68
44
20
10
35
a
68
20
-8
15
15
30
2.
Setup requirement for asynchronous signal only to guarantee recognition
at
next
elK.
3.
Applies only
to
T2
state
(8
ns
into
T3
state).
4.
Applies only
to
T2
state
(8
ns
into
T3
state).
57
Max.
Units
Test
Conditions
500 ns
ns
ns
10
ns From 1.0V
to
3.5V
10 ns From 3.5V
to
1.0V
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
20
ns From 0.8V
to
2.0V
12
ns From
2.0V to 0.8V
AFN-00826D