參數(shù)資料
型號(hào): TS87C52X2-LIEB
英文描述: 8-bit CMOS Microcontroller 0-60 MHz
中文描述: 8位CMOS微控制器0-60兆赫
文件頁(yè)數(shù): 52/54頁(yè)
文件大小: 626K
代理商: TS87C52X2-LIEB
52
Rev. B - Jan. 25, 1999
Preliminary
TS80C52X2
10.4.11 External Clock Drive Characteristics (XTAL1)
10.4.12 External Clock Drive Waveforms
Figure 22. External Clock Drive Waveforms
10.4.13 AC Testing Input/Output Waveforms
Figure 23. AC Testing Input/Output Waveforms
AC inputs during testing are driven at V
CC
- 0.5 for a logic “1” and 0.45V for a logic “0”. Timing measurement
are made at V
IH
min for a logic “1” and V
IL
max for a logic “0”.
10.4.14 Float Waveforms
Figure 24. Float Waveforms
Table 34. AC Parameters
Symbol
Parameter
Min
Max
Units
T
CLCL
Oscillator Period
25
ns
T
CHCX
High Time
5
ns
T
CLCX
Low Time
5
ns
T
CLCH
Rise Time
5
ns
T
CHCL
Fall Time
5
ns
T
CHCX
/T
CLCX
Cyclic ratio in X2 mode
40
60
%
V
CC
-0.5 V
0.45 V
0.7V
CC
0.2V
CC
-0.1 V
T
CHCL
T
CLCX
T
CLCL
T
CLCH
T
CHCX
0.45 V
V
CC
-0.5 V
0.2V
CC
+0.9
0.2V
CC
-0.1
INPUT/OUTPUT
V
OL
+0.1 V
V
OH
-0.1 V
FLOAT
V
LOAD
V
LOAD
+0.1 V
V
LOAD
-0.1 V
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