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AT80C51RB2-3CSCM 查看數據表(PDF) - Atmel Corporation
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产品描述 (功能)
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AT80C51RB2-3CSCM
80C51 High Performance ROM 8-bit Microcontroller
Atmel Corporation
AT80C51RB2-3CSCM Datasheet PDF : 83 Pages
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AT80C51RD2/AT83C51Rx2
Table 50.
AC Parameters for a Fix Clock
Symbol
-M
T
T
LHLL
T
AVLL
T
LLAX
T
LLIV
T
LLPL
T
PLPH
T
PLIV
T
PXIX
T
PXIZ
T
AVIV
T
PLAZ
Min
25
35
5
5
5
50
0
Max
Min
25
35
5
5
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 51.
AC Parameters for a Variable Clock
Symbol
T
LHLL
T
AVLL
T
LLAX
T
LLIV
T
LLPL
T
PLPH
T
PLIV
T
PXIX
T
PXIZ
T
AVIV
T
PLAZ
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
71
4113B–8051–03/05
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