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UPSD3422 Datasheet(PDF) 282 Page - STMicroelectronics

Part # UPSD3422
Description  Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic
PDF  293 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD3422 Datasheet(HTML) 282 Page - STMicroelectronics

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DC and AC parameters
uPSD34xx
282/293
Figure 110. PSD Module AC float I/O waveform
Note:
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 VOH or
VOL level occurs
Note:
IOL and IOH ≥ 20mA
Figure 111. External clock cycle
Figure 112. PSD module AC measurement I/O waveform
Figure 113. PSD module AC measurement load circuit
AI06651
Test Reference Points
VOL + 0.1V
VOH – 0.1V
VLOAD – 0.1V
VLOAD + 0.1V
0.2 VCC – 0.1V
3.0V
0V
Test Point
1.5V
AI03103b
Device
Under Test
2.01 V
195
Ω
C
L = 30 pF
(Including Scope and
Jig Capacitance)
AI03104b



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