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8085AH/8085AH-2/8085AH-1
A.C.
CHARACTERISTICS (Continued)
8085AH[2]
8085AH-2[2]
8085AH-1
Symbol
Parameter
(Final) (Final) (Preliminary)
Units
Min. Max. Min.
Max. Min.
Max.
tAll
AO-7
Valid Before Trailing Edge
of
ALE
90
50
25
ns
tARY
READY Valid
from
Address Valid
220
100 40
ns
tCA
Address (Aa-1S) Valid After Control
120
60
30 ns
tcc
Width
of
Control
low
(RD,
WR,
INTA)
400
230
150
ns
Edge
of
ALE
tCl
Trailing Edge
of
Control
to
leading
Edge
50
25
0
ns
of
ALE
tow
Data Valid to Trailing Edge
of
WRITE
420 230
140
ns
tHABE
HlDA
to Bus Enable
210
150
150
ns
tHABF
Bus
Float After
HlDA
210
150
150
ns
tHACK
HlDA
Valid to Trailing Edge
of
ClK
110
40
0
ns
tHOH
HOLD Hold Time
0 0 0
ns
tHOS
HOLD Setup Time
to
Trailing Edge
of
ClK
170
120
120
ns
tlNH
INTR Hold
Time
0 0 0
ns
tiNS
INTR,
RST,
and TRAP Setup Time to
160 150
150
ns
Falling Edge
of
ClK
tlA
Address Hold Time After ALE 100
50
20
ns
tlC
Trailing Edge
of
ALE
to
leading
Edge
130
60
25
ns
of
Control
tlCK
ALE
low
During
ClK
High
100
50
15
ns
tLOR
ALE
to
Valid Data During Read 460
270
175
ns
tlOW
ALE
to
Valid Data During Write
200
120
110
ns
tll
ALE Width
140 80
50
ns
tlRY
ALE
to
READY Stable 110
30
10
ns
tRAE
Trailing Edge
of
READ
to
Re-Enabling
150
90
50
ns
of
Address
tRO
READ (or INTA)
to
Valid Data 300
150
75
ns
tRV
Control Trailing Edge
to
leading
Edge
400 220
160
ns
of
Next Control
tROH
Data Hold Time After READ
lNTA
0
0 0
ns
tRYH
READY Hold Time
0 0 5 ns
tRYS
READY Setup Time
to
leading
Edge
110
100
100
ns
ofClK
two
Data Valid After Trailing Edge
of
WRITE 100
60
30
ns
tWOL
lEADING
Edge
of
WRITE
to
Data Valid
40
20
30 ns
6-20
AFN·01,835C