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PS232F Datasheet(PDF) 3 Page - Silicon Touch Technology Inc.

Part # PS232F
Description  6-Channel Secondary Monitoring IC
PDF  11 Pages
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Manufacturer  SITI [Silicon Touch Technology Inc.]
Direct Link  http://www.siti.com.tw
Logo SITI - Silicon Touch Technology Inc.

PS232F Datasheet(HTML) 3 Page - Silicon Touch Technology Inc.

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點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
6-Channel Secondary Monitoring IC
Version
：A.001
-2-
PS232F
Block Diagram
VS33
38.5KΩ
23.5KΩ
28KΩ
Vref
Vref
3.3 OV
3.3 UV
VS5
58KΩ
13.5KΩ
18.5KΩ Vref
Vref
5 OV
5 UV
Band-Gap
Reference
Power On
Reset
Clock
Generator
38mS
De-bounce
Constant Current
Source Iref
FPO/
PGI
PGO
RI
GND
POR
Vref
CLK
73uS
De-bounce
H : 300mS
L : 4.5uS
delay
1M
Ω
1
0
S
Q
R
H : 75mS
L : 4.5uS
delay
0.63V
1.25V
VCCI
1.13V
S
Q
R
1M
Ω
H : 4mS
L : 4.5uS
delay
2.5V
Pext
Internal
Power
VCCI = 4V
PSON/
VCC
30K
Ω
1.25V
VCCI
90K
Ω
4.5V
2K
Ω
H : 20mS
L : 4.5uS
delay
IS5
Iref X 8
5 OC
VCCI
Step Down
to near 2.5V
IS33
Iref X 8
3.3 OC
VCCI
Step Down
to near 2.5V
1.25V
1mS
delay
VCC
VCC
15uS
delay
OV
UV
155KΩ
9KΩ
16KΩ
Vref
Vref
OC
VCCI
Iref X 8
Step Down
to near 2.5V
VS
IS
VS12B
VS12A
VS12C
VS12D
IS12B
IS12A
IS12C
IS12D
VS
12 UV
12 OV
12 OC



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