Table 76. AC Parameters for a Fix Clock
Symbol
-M
-L
Units
Min
25
35
5
Max
Min
25
35
5
Max
T
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
TLHLL
TAVLL
TLLAX
TLLIV
TLLPL
TPLPH
TPLIV
TPXIX
TPXIZ
TAVIV
TPLAZ
5
5
n 65
30
65
30
5
5
50
50
0
0
10
80
10
10
80
10
Table 77. AC Parameters for a Variable Clock
Standard
X Parameter for - X Parameter for
Symbol
TLHLL
TAVLL
TLLAX
TLLIV
Type
Min
Clock
2 T - x
T - x
T - x
4 T - x
T - x
3 T - x
3 T - x
x
X2 Clock
T - x
M Range
-L Range
Units
15
20
20
35
15
25
45
0
15
20
20
35
15
25
45
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Min
0.5 T - x
0.5 T - x
2 T - x
0.5 T - x
1.5 T - x
1.5 T - x
x
Min
Max
Min
TLLPL
TPLPH
TPLIV
Min
Max
Min
TPXIX
TPXIZ
TAVIV
Max
Max
Max
T - x
5 T - x
x
0.5 T - x
2.5 T - x
x
15
45
10
15
45
10
TPLAZ
112
AT89C51RB2/RC2
4180E–8051–10/06
ATMEL [ ATMEL ]
