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SP3222H Datasheet, PDF (12/17 Pages) Sipex Corporation – 3.3V, 460 Kbps RS-232 Transceivers | |||
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[
T
]
+6V
a) C2+
GND 1
T
GND 2
b) C2-
T
-6V
Ch1 2.00V Ch2 2.00V M 1.00µs Ch1 5.48V
Figure 14. Charge Pump Waveforms
VCC = +5V
+
C1 â
â5V
+5V
+
C2 â
â5V
Figure 15. Charge Pump â Phase 3
VCC = +5V
C4
+ â VDD Storage Capacitor
â + VSS Storage Capacitor
C3
+
C1 â
+10V
+
C2 â
Figure 16. Charge Pump â Phase 4
RRCC
SSWW11
C4
+ â VDD Storage Capacitor
â + VSS Storage Capacitor
C3
RRSS
SSWW22
DC Power
Source
CCSS
Device
Under
Test
Figure 17. ESD Test Circuit for Human Body Model
Rev. 6/27/03
SP3222H/3232H 3.3V, 460 Kbps RS-232 Transceivers
12
© Copyright 2003 Sipex Corporation
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