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AT80C51RA2-RLSIV 数据表(PDF) 66 Page - International Rectifier

部件名 AT80C51RA2-RLSIV
功能描述  High Performance 8-bit Microcontroller
PDF  85 Pages
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制造商  IRF [International Rectifier]
网页  http://www.irf.com
标志 IRF - International Rectifier

AT80C51RA2-RLSIV 数据表(HTML) 66 Page - International Rectifier

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66
4188E–8051–08/06
AT/TS8xC51Rx2
11.5.4
External Data Memory Characteristics
Table 11-8.
AC Parameters for a Fix Clock
Symbol
Parameter
TRLRH
RD Pulse Width
TWLWH
WR Pulse Width
TRLDV
RD to Valid Data In
TRHDX
Data Hold After RD
TRHDZ
Data Float After RD
TLLDV
ALE to Valid Data In
TAVDV
Address to Valid Data In
TLLWL
ALE to WR or RD
TAVWL
Address to WR or RD
TQVWX
Data Valid to WR Transition
TQVWH
Data set-up to WR High
TWHQX
Data Hold After WR
TRLAZ
RD Low to Address Float
TWHLH
RD or WR High to ALE high
Speed
-M
40 MHz
-V
X2 mode
30 MHz
60 MHz equiv.
-V
standard mode 40
MHz
-L
X2 mode
20 MHz
40 MHz equiv.
-L
standard mode
30 MHz
Units
Symbol
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
T
RLRH
130
85
135
125
175
ns
T
WLWH
130
85
135
125
175
ns
T
RLDV
100
60
102
95
137
ns
T
RHDX
0000
0
ns
T
RHDZ
30
18
35
25
42
ns
T
LLDV
160
98
165
155
222
ns
T
AVDV
165
100
175
160
235
ns
T
LLWL
50
100
3070
559545
105
70
130
ns
T
AVWL
75
47
80
70
103
ns
T
QVWX
10
7
15
5
13
ns
T
QVWH
160
107
165
155
213
ns
T
WHQX
15
9
171018
ns
T
RLAZ
0
0000
ns
T
WHLH
10
40727
15
355
45
13
53
ns



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