參數(shù)資料
型號: Q67121-C1069
廠商: SIEMENS AG
元件分類: 8位微控制器
英文描述: 8-Bit CMOS Microcontroller
中文描述: 8位CMOS微控制器
文件頁數(shù): 68/69頁
文件大?。?/td> 1124K
代理商: Q67121-C1069
C515C
Semiconductor Group
68
1997-07-01
Figure 33
AC Testing: Input, Output Waveforms
Figure 34
AC Testing : Float Waveforms
Figure 35
Recommended Oscillator Circuits for Crystal Oscillator
AC Inputs during testing are driven at
V
CC
- 0.5 V for a logic ’1’ and 0.45 V for a logic ’0’.
Timing measurements are made at
V
IHmin
for a logic ’1’ and
V
ILmax
for a logic ’0’.
0.45 V
V
CC
0.2
-0.1
+0.9
0.2
CC
V
Test Points
MCT00039
V
CC
-0.5 V
For timing purposes a port pin is no longer floating when a 100 mV change from load voltage
occurs and begins to float when a 100 mV change from the loaded
V
OH
/
V
OL
level occurs.
I
OL
/
I
OH
≥ ±
20 mA
MCT00038
V
Load
V
Load
-0.1 V
+0.1 V
Load
V
Timing Reference
Points
V
OH
-0.1 V
+0.1 V
OL
V
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