UPSD3422_06 Datasheet, PDF (282/293 Pages) STMicroelectronics – Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic

DC and AC parameters
uPSD34xx
Note:
Note:
Figure 110. PSD Module AC float I/O waveform
VLOAD + 0.1V
VLOAD – 0.1V
0.2 VCC – 0.1V
Test Reference Points
VOH – 0.1V
VOL + 0.1V
AI06651
For timing purposes, a Port pin is considered to be no longer floating when a 100mV change
from load voltage occurs, and begins to float when a 100mV change from the loaded V_OH or
V_OL level occurs
I_OL and I_OH ≥ 20mA
Figure 111. External clock cycle
Figure 112. PSD module AC measurement I/O waveform
3.0V
0V
Test Point
1.5V
AI03103b
Figure 113. PSD module AC measurement load circuit
2.01 V
Device
Under Test
195 Ω
C_L = 30 pF
(Including Scope and
Jig Capacitance)
AI03104b
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