PS322CSA データシートの表示（PDF） - Pericom Semiconductor
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PS322CSA Datasheet PDF : 6 Pages
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PS320/PS321/PS322
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Test Circuits/Timing Diagrams
VCOM = 3V
Logic
Input
COM
IN
+5V
NO
or NC
V-
-5V
RL
300Ω
VOUT
CL
35pF
Logic +5V
Input
0V
Switch
Output
0V
50%
VOUT
90%
tON
tr <20ns
tf <20ns
tOFF
90%
CL INCLUDES FIXTURE AND STRAY CAPACITANCE
( ) VOUT = VCOM
RL
RL + RON
LOGIC INPUT WAVEFORMS INVERTED FOR
SWITCHES THAT HAVE OPPOSITE LOGIC
Figure 2. Switching Time
+5V
+3V
Logic
Input
COM1
COM2
IN
V+
NO1
NC2
V-
VOUT2
RL
300
RL
CL
300
35 pF
-5V
CLINCLUDES FIXTURE AND STRAY CAPACITANCE.
VOUT1
CL
35pF
+5V
Logic
Input
50%
90%
VOUT1 0V
VOUT2
90%
0V
tD
Figure 3. Break-Before-Make Interval (PS322 only)
50%
90%
tD
VGEN
RGEN COM
IN
Logic
Input
+5V
V+
NO or
NC
-5V
VOUT
CL
1nF
VOUT
IN OFF
ON
∆VOUT
OFF
ON
IN OFF
OFF
Q = (∆VOUT)(CL)
IN POLARITY DEPENDS ON NO OR NC SWITCH FUNCTION
Figure 4. Charge Injection
4
PS8183E 06/10/02
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