AT89C51RC2-3CSCM View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
AT89C51RC2-3CSCM Datasheet PDF : 127 Pages
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Table 76. AC Parameters for a Fix Clock
Symbol
T
TLHLL
TAVLL
TLLAX
TLLIV
TLLPL
TPLPH
TPLIV
TPXIX
TPXIZ
TAVIV
TPLAZ
-M
Min
25
35
5
5
5
50
0
Max
Min
25
35
5
5
n 65
5
50
30
0
10
80
10
-L
Max
65
30
10
80
10
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Table 77. AC Parameters for a Variable Clock
Symbol
TLHLL
TAVLL
TLLAX
TLLIV
TLLPL
TPLPH
TPLIV
TPXIX
TPXIZ
TAVIV
TPLAZ
Type
Min
Min
Min
Max
Min
Min
Max
Min
Max
Max
Max
Standard
Clock
2T-x
T-x
T-x
4T-x
T-x
3T-x
3T-x
x
T-x
5T-x
x
X2 Clock
T-x
0.5 T - x
0.5 T - x
2T-x
0.5 T - x
1.5 T - x
1.5 T - x
x
0.5 T - x
2.5 T - x
x
X Parameter for - X Parameter for
M Range
-L Range
15
15
20
20
20
20
35
35
15
15
25
25
45
45
0
0
15
15
45
45
10
10
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
112 AT89C51RB2/RC2
4180E–8051–10/06
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