at89c51re2-slsem ATMEL Corporation, at89c51re2-slsem Datasheet - Page 153

• Manufacturer Part Number: at89c51re2-slsem
• Description: At89c51re2 8-bit Flash Microcontroller
• Manufacturer: ATMEL Corporation

136
AT89C51RE2
Table 100. AC Parameters for a Variable Clock
Symbol
T
T
T
T
T
T
T
T
T
T
T
PLPH
AVLL
LLAX
PLAZ
LHLL
LLPL
PXIX
PXIZ
AVIV
LLIV
PLIV
Type
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
Standard
Clock
2 T - x
4 T - x
3 T - x
3 T - x
5 T - x
T - x
T - x
T - x
T - x
x
x
X2 Clock
0.5 T - x
0.5 T - x
0.5 T - x
1.5 T - x
1.5 T - x
0.5 T - x
2.5 T - x
2 T - x
T - x
x
x
X parameter for
-M range
15
20
20
35
15
25
45
15
45
10
0
X parameter for
-L range
15
20
20
35
15
25
45
15
45
10
0
7663B–8051–03/07
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns