
42
TS8xCx2X2
4184I–8051–02/08
Table 27. AC Parameters for Fix Clock
Table 28. AC Parameters for a Variable Clock: derating formula
Speed
-M
40 MHz
-V
X2 mode
30 MHz
60 MHz
equiv.
-V
standard
mode 40
MHz
-L
X2 mode
20 MHz
40 MHz
equiv.
-L
standard
mode
30 MHz
Units
Symbol
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
T
25
33
25
50
33
ns
TLHLL
40
25
42
35
52
ns
TAVLL
10
4
12
5
13
ns
TLLAX
10
4
12
5
13
ns
TLLIV
70
45
78
65
98
ns
TLLPL
15
9
17
10
18
ns
TPLPH
55
35
60
50
75
ns
TPLIV
35
25
50
30
55
ns
TPXIX
0
ns
TPXIZ
18
12
20
10
18
ns
TAVIV
85
53
95
80
122
ns
TPLAZ
10
ns
Symbol
Type
Standard
Clock
X2 Clock
-M
-V
-L
Units
TLHLL
Min
2 T - x
T - x
10
8
15
ns
TAVLL
Min
T - x
0.5 T - x
15
13
20
ns
TLLAX
Min
T - x
0.5 T - x
15
13
20
ns
TLLIV
Max
4 T - x
2 T - x
30
22
35
ns
TLLPL
Min
T - x
0.5 T - x
10
8
15
ns
TPLPH
Min
3 T - x
1.5 T - x
20
15
25
ns
TPLIV
Max
3 T - x
1.5 T - x
40
25
45
ns
TPXIX
Min
x
0
ns
TPXIZ
Max
T - x
0.5 T - x
7
5
15
ns
TAVIV
Max
5 T - x
2.5 T - x
40
30
45
ns
TPLAZ
Max
x
10
ns