參數資料
型號: SAF-C515A-LM
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 18 MHz, MICROCONTROLLER, PQFP80
封裝: METRIC, PLASTIC, QFP-80
文件頁數: 53/58頁
文件大小: 634K
代理商: SAF-C515A-LM
Semiconductor Group
57
1997-10-01
C515A
Figure 26
AC Testing: Input, Output Waveforms
Figure 27
AC Testing : Float Waveforms
Figure 28
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 VILmax 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/VOL level occurs.
I
OL/IOH ≥ ± 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
MCS03245
C
3.5 - 24
MHz
XTAL1
XTAL2
XTAL1
N.C.
External Oscillator
Signal
Crystal Oscillator Mode
Driving from External Source
Crystal Mode:
C = 20 pF 10 pF
(Incl. Stray Capacitance)
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