C504 SIEMENS [Siemens Semiconductor Group], C504 Datasheet - Page 49

• Manufacturer Part Number: C504
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Figure 21
AC Testing: Input, Output Waveforms
Figure 22
AC Testing : Float Waveforms
Figure 23
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
I
AC Inputs during testing are driven at
Timing measurements are made at
OL
/
I
OH
20 mA
V
IHmin
V
CC
for a logic ’1’ and
– 0.5 V for a logic ’1’ and 0.45 V for a logic ’0’.
49
V
ILmax
for a logic ’0’.
V
OH
/
V
OL
level occurs.
C504