T89C51CC01 Atmel, T89C51CC01 Datasheet - Page 155

• Manufacturer Part Number: T89C51CC01
• Description: Enhanced 8-Bit Microcontroller
• Manufacturer: Atmel

4129K–CAN–01/05
Table 128. AC Parameters for a Variable Clock
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WLWH
QVWX
QVWH
WHQX
RHDX
RHDZ
AVWL
WHLH
WHLH
RLRH
RLDV
AVDV
RLAZ
LLDV
LLWL
LLWL
Type
Max
Max
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
Standard
Clock
3 T + x
6 T - x
6 T - x
5 T - x
2 T - x
8 T - x
9 T - x
3 T - x
4 T - x
7 T - x
T + x
T - x
T - x
T - x
x
x
X2 Clock
1.5 T + x
0.5 T + x
2.5 T - x
4.5 T - x
1.5 T - x
0.5 T - x
3.5 T - x
0.5 T - x
0.5 T - x
3 T - x
3 T - x
2 T - x
4T -x
T - x
x
x
X parameter
T89C51CC01
20
20
25
20
40
60
25
25
25
15
25
10
15
15
0
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
155