PDP-433PU
90
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Pin Function
Block Diagram
Name
Pin No.
I/O
Num.
Function
CLK
86
I
1
Shift clock (start edge partial response)
DA
91
I/O
1
The serial data input of shifting register
DB
85
I/O
1
The serial data output of shifting register
LE
40
I
1
It output data done a latch of by "H" level
A/B
84
I
1
A shift directional control signal of shift register
CLR
92
I
1
It do data of shift register with "H" by "L" level
OC1
89
I
1
An output control terminal of HVO
OC2
90
I
1
An output control terminal of HVO
HVO
99, 100, 1-28
36-40, 48-76
O
64
High voltage drive output (HVO1 - HVO64)
VDD
88
−
1
Logic power supply
GND
30-32, 44-46
81-82, 93, 94-95
−
11
Standard potential. This is common to HVO1 - HVO64.
VH1
34, 35, 97, 98
−
4
The high potential circuit power supply which is common to HVO1 - HVO32
VH2
41, 42, 78, 79
−
4
The high potential circuit power supply which is common to HVO33 - HVO64
NC
29, 33, 43, 47
77, 80, 83, 96
−
8
It is the insulation electrically
