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Part Name
Description
HV57708X View Datasheet(PDF) - Supertex Inc
Part Name
Description
Manufacturer
HV57708X
32 MHz, 64-Channel Serial To Parallel Converter With Push-Pull Outputs
Supertex Inc
HV57708X Datasheet PDF : 5 Pages
1
2
3
4
5
Functional Block Diagram
D
O
1 D
O
2 D
O
3 D
O
4
D
I
4 D
I
3 D
I
2 D
I
1 V
DD
LE
BL
POL
V
PP
DIR
SR1
SR2
CLK
SR3
SR4
HV
OUT
1
5
9
•
•
•
HV
OUT
61
HV
OUT
2
6
10
•
•
•
HV
OUT
62
HV
OUT
3
7
11
•
•
•
HV
OUT
63
HV
OUT
4
8
12
•
•
•
HV
OUT
64
HV57708
D
O
4 D
O
3 D
O
2 D
O
1
D
I
1 D
I
2 D
I
3 D
I
4
GND
Note: Each SR (shift register) provides 16 outputs. SR1 supplies every fourth output starting with 1; SR2 supplies every fourth output with 2, etc.
Function Table
Function
All O/P High
All O/P Low
O/P Normal
O/P Inverted
Data Falls
Through
(Latches
Transparent)
Data Stored/
Latches Loaded
Data
CLK
X
X
X
X
X
X
X
X
L
↑
H
↑
L
↑
H
↑
X
X
X
X
Inputs
LE
BL
X
L
X
L
X
H
X
H
H
H
H
H
H
H
H
H
L
H
L
H
POL
DIR
L
X
H
X
H
X
L
X
H
X
H
X
L
X
L
X
H
X
L
X
Shift Reg
L
H
L
H
*
*
D
I/O
1-4A
↑
H
H
H
H
Q
n
→
Q
n +1
D
I/O
1-4A
↑
L
H
H
H
Q
n
→
Q
n +1
I/O Relation
D
I/O
1-4B
↑
L
H
H
L
Q
n
→
Q
n -1
D
I/O
1-4B
↑
H
H
H
L
Q
n
→
Q
n -1
Note:
*
= dependent on previous stage’s state. See Pin configuration for D
IN
and D
OUT
pin designation for CW and CCW shift.
4
Outputs
HV Outputs
H
L
No inversion
Inversion
L
H
H
L
Stored Data
Inversion of
Stored Data
New H or L
Previous
H or L
Previous
H or L
New H or L
Data Out
D
I/O
1 – 4B
D
I/O
1 – 4B
D
I/O
1 – 4A
D
I/O
1 – 4A
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