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AT80C51RA2-RLSIV Datasheet(PDF) 67 Page - International Rectifier

Part # AT80C51RA2-RLSIV
Description  High Performance 8-bit Microcontroller
PDF  85 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

AT80C51RA2-RLSIV Datasheet(HTML) 67 Page - International Rectifier

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67
4188E–8051–08/06
AT/TS8xC51Rx2
Table 11-9.
AC Parameters for a Variable Clock: derating formula
11.5.5
External Data Memory Write Cycle
Figure 11-7.
External Data Memory Write Cycle
11.5.6
External Data Memory Read Cycle
Symbol
Type
Standard
Clock
X2 Clock
-M
-V
-L
Units
T
RLRH
Min
6 T - x
3 T - x
20
15
25
ns
T
WLWH
Min
6 T - x
3 T - x
20
15
25
ns
T
RLDV
Max
5 T - x
2.5 T - x
25
23
30
ns
T
RHDX
Min
x
x
000
ns
T
RHDZ
Max2 T - xT - x
20
15
25
ns
T
LLDV
Max
8 T - x
4T -x
40
35
45
ns
T
AVDV
Max
9 T - x
4.5 T - x
60
50
65
ns
T
LLWL
Min
3 T - x
1.5 T - x
25
20
30
ns
T
LLWL
Max
3 T + x
1.5 T + x
25
20
30
ns
T
AVWL
Min
4 T - x
2 T - x
25
20
30
ns
T
QVWX
Min
T - x
0.5 T - x
15
10
20
ns
T
QVWH
Min
7 T - x
3.5 T - x
15
10
20
ns
T
WHQX
Min
T - x
0.5 T - x
10
8
15
ns
T
RLAZ
Max
x
x
000
ns
T
WHLH
Min
T - x
0.5 T - x
15
10
20
ns
T
WHLH
Max
T + x
0.5 T + x
15
10
20
ns
TQVWH
TLLAX
ALE
PSEN
WR
PORT 0
PORT 2
A0-A7
DATA OUT
ADDRESS
OR SFR-P2
TAVWL
TLLWL
TQVWX
ADDRESS A8-A15 OR SFR P2
TWHQX
TWHLH
TWLWH



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