SAF-C515-L24M SIEMENS [Siemens Semiconductor Group], SAF-C515-L24M Datasheet - Page 54

• Manufacturer Part Number: SAF-C515-L24M
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Figure 26
AC Testing: Input, Output Waveforms
Figure 27
AC Testing : Float Waveforms
Figure 28
Recommended Oscillator Circuits for Crystal Oscillator
Semiconductor Group
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
AC Inputs during testing are driven at
Timing measurements are made at
OH
/
V
OL
level occurs.
V
V
Load
CC
Crystal Mode :
-0.5 V
0.45 V
Crystal Oscillator Mode
V
V
Load
Load
1-24 MHz
C
C
+0.1 V
-0.1 V
C = 20 pF±10 pF (incl. stray capacitance)
V
IHmin
V
0.2
0.2
CC
for a logic ’1’ and
XTAL1
XTAL2
V
V
- 0.5 V for a logic ’1’ and 0.45 V for a logic ’0’.
Timing Reference
54
CC
CC
+0.9
-0.1
Points
Test Points
V
ILmax
Driving from External Source
N.C.
External Oscillator
Signal
for a logic ’0’.
V
V
OH
OL
MCT00038
+0.1 V
-0.1 V
MCT00039
1997-08-01
MCS03204
XTAL1
XTAL2
C515