参数资料
型号: TS87C51RD2-MIMD
元件分类: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件页数: 61/74页
文件大小: 689K
代理商: TS87C51RD2-MIMD
64
Rev. C - 06 March, 2001
TS80C51RA2/RD2
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
Table 38. AC Parameters for a Variable Clock: derating formula
10.5.3. External Program Memory Read Cycle
Figure 25. External Program Memory Read Cycle
Symbol
Type
Standard
Clock
X2 Clock
-M
-V
-L
Units
TLHLL
Min
2 T - x
T - x
10
8
15
ns
TAVLL
Min
T - x
0.5 T - x
15
13
20
ns
TLLAX
Min
T - x
0.5 T - x
15
13
20
ns
TLLIV
Max
4 T - x
2 T - x
30
22
35
ns
TLLPL
Min
T - x
0.5 T - x
10
8
15
ns
TPLPH
Min
3 T - x
1.5 T - x
20
15
25
ns
TPLIV
Max
3 T - x
1.5 T - x
40
25
45
ns
TPXIX
Min
x
0
ns
TPXIZ
Max
T - x
0.5 T - x
7
5
15
ns
TAVIV
Max
5 T - x
2.5 T - x
40
30
45
ns
TPLAZ
Max
x
10
ns
TPLIV
TPLAZ
ALE
PSEN
PORT 0
PORT 2
A0-A7
INSTR IN
ADDRESS
OR SFR-P2
ADDRESS A8-A15
12 TCLCL
TAVIV
TLHLL
TAVLL
TLLIV
TLLPL
TPLPH
TPXAV
TPXIX
TPXIZ
TLLAX
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