XC858CA
Electrical Parameters
4.3
AC Parameters
The electrical characteristics of the AC Parameters are detailed in this section.
4.3.1 Testing Waveforms
The testing waveforms for rise/fall time, output delay and output high impedance are
shown in Figure 34, Figure 35 and Figure 36.
VDDP
VSS
90%
10%
tR
90%
10%
tF
Figure 34 Rise/Fall Time Parameters
VDDP
VSS
VDDE / 2
Test Points
Figure 35 Testing Waveform, Output Delay
VDDE / 2
VLoad + 0.1 V
VLoad - 0.1 V
Timing
Reference
P o in ts
VOH - 0.1 V
VOL - 0.1 V
Figure 36 Testing Waveform, Output High Impedance
Data Sheet
104
V1.0, 2010-03