参数资料
型号: SAF-C505CA-4E20M
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, MQFP-44
文件页数: 85/88页
文件大小: 1013K
代理商: SAF-C505CA-4E20M
C505/C505C/C505A/C505CA
Data Sheet
82
12.00
Figure 42
AC Testing: Input, Output Waveforms
Figure 43
AC Testing : Float Waveforms
Figure 44
Recommended Oscillator Circuits for Crystal Oscillator
0.45 V
V
DD
0.2
-0.1
+0.9
0.2
DD
V
Test Points
MCT00039
V
DD -0.5 V
AC Inputs during testing are driven at
V
DD - 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 VILmax for a logic ’0’.
MCT00038
VLoad
VLoad -0.1 V
+0.1 V
Load
V
Timing Reference
Points
VOH -0.1 V
+0.1 V
OL
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/VOL level occurs.
I
OL/IOH ≥± 20 mA
MCS03311
C
2 - 20
MHz
XTAL2
XTAL1
XTAL2
N.C.
External Oscillator
Signal
Crystal Oscillator Mode
Driving from External Source
Crystal Mode: C = 20 pF 10 pF (incl. stray capacitance)
C
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