¡ Semiconductor
Timing Responses
MSM80C88A-10RS/GS/JS
Parameter
5 MHz Spec.
8 MHz Spec.
10 MHz Spec.
V = 4.5 V to 5.5 V V
CC
= 4.75 V to 5.25 V V
CC
= 4.75 V to 5.25 V
Unit
Symbol
CC
Ta = –40 to +85°C Ta = 0 to +70°C
Ta = 0 to +70°C
Address Valid Delay
Address Hold Time
Address Float Delay
ALE Width
ALE Active Delay
ALE Inactive Delay
Address Hold Time to ALE Inactive
Data Valid Delay
Data Hold Time
Data Hold Time after
WR
Control Active Delay 1
Control Active Delay 2
Control Inactive Delay
Address Float to
RD
Active
RD
Active Delay
RD
Inactive Delay
RD
Inactive to Next Address Active
HLDA Valid Delay
RD
Width
WR
Width
Address Valid to ALE Low
Ouput Rise Time (From 0.8 V to 2.0 V)
Output Fall Time (From 2.0 V to 0.8 V)
t
CLAV
t
CLAX
t
CLAZ
t
LHLL
t
CLLH
t
CHLL
t
LLAX
t
CLDV
t
CHDX
t
WHDX
t
CVCTV
t
CHCTV
t
CVCTX
t
AZRL
t
CLRL
t
CLRH
t
RHAV
t
CLHAV
t
RLRH
t
WLWH
t
AVAL
t
OLOH
t
OHOL
Min.
10
10
t
CLAX
t
CLCH
-20
—
—
t
CLCH
-10
10
10
t
CLCH
-30
10
10
10
0
10
10
t
CLCH
-45
10
2t
CLCL
-75
2t
CLCL
-60
t
CLCH
-60
—
—
Max.
110
—
80
—
80
85
—
110
—
—
110
110
110
—
165
150
—
160
—
—
—
15
15
Min.
10
10
t
CLAX
t
CLCH
-10
—
—
t
CLCH
-10
—
—
t
CLCH
-30
10
10
10
0
10
10
t
CLCH
-40
10
2t
CLCL
-50
2t
CLCL
-40
t
CLCH
-40
—
—
Max.
60
—
50
—
50
55
—
60
—
—
70
60
70
—
100
80
—
100
—
—
—
15
15
Min.
10
10
t
CLAX
t
CLCH
-10
—
—
t
CLCH
-10
10
10
t
CLCH
-25
10
10
10
0
10
10
t
CLCL
-35
10
2t
CLCL
-40
2t
CLCL
-35
t
CLCH
-35
—
—
Max.
60
—
50
—
40
45
—
60
—
—
55
50
55
—
70
60
—
60
—
—
—
15
15
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes: 1. Signals at MSM82C84A-2 shown for reference only.
2. Setup requirement for asynchronous signal only to guarantee recognition at next
CLK.
3. Applies only to T
2
state. (8 ns into T
3
)
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