參數(shù)資料
型號: SAF-C517A-4R24M
廠商: SIEMENS A G
元件分類: 微控制器/微處理器
英文描述: 8-Bit CMOS Microcontroller
中文描述: 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP100
文件頁數(shù): 66/67頁
文件大?。?/td> 479K
代理商: SAF-C517A-4R24M
C517A
Semiconductor Group
66
1997-10-01
Figure 32
AC Testing: Input, Output Waveforms
Figure 33
AC Testing: Float Waveforms
Figure 34
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
3.5-24 MHz
XTAL1
XTAL2
= 20 pF
(incl. stray capacitance)
10 pF
±
Crystal Oscillator Mode
XTAL2
XTAL1
Driving from External Source
N.C.
External Oscillator
Signal
MCS03339
C
C
C
Crystal Mode :
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