hv57708 Supertex, Inc., hv57708 Datasheet - Page 5

• Manufacturer Part Number: hv57708
• Description: 32mhz, 64-channel Serial To Parallel Converter With Push-pull Outputs
• Manufacturer: Supertex, Inc.

Function Table
Shift Register Operation
Note:
latches loaded
O/P inverted
transparent)
Data stored/
All O/P high
O/P normal
All O/P low
I/O relation
* = data at the last CLK ↑
Function
Data falls
through
(latches
D
D
D
D
Data
I/O
I/O
I/O
I/O
H
H
X
X
X
X
X
X
1-4B
1-4B
L
L
1-4A
1-4A
CLK
HV OUT 32
_↑
_↑
_↑
_↑
_↑
_↑
_↑
_↑
HV OUT 2
HV OUT 1
X
X
X
X
X
X
_
_
_
_
_
_
_
_
•
•
•
•
•
Pin
LE
X
H
H
H
H
H
H
X
X
X
L
L
L
L
Inputs
DIR = H; CW (HVOUT1 → HVOUT64)
DIR = L; CCW (HVOUT64 → HVOUT1)
25 26 27 28
BL
H
H
H
H
H
H
H
H
H
H
H
H
L
L
DIR = H
1
2
3
4
POL
5
SR3
SR1
SR2
SR4
H
H
H
H
H
H
H
H
H
L
L
L
L
L
DIR = L
4
3
2
1
DIR
36 37 38 39
X
X
X
X
X
X
X
X
X
X
H
H
L
L
Shift Reg
Q
Q
Q
Q
n
n
n
n
→Q
→Q
→Q
→Q
H
H
L
L
*
*
-
-
-
-
HOUT 33
HOUT 63
HOUT 64
n+1
n+1
n-1
n-1
•
•
•
•
•
Previous H or L
Previous H or L
No inversion
HV Outputs
Stored Data
Inversion of
stored data
New H or L
New H or L
Inversion
Outputs
H
H
H
L
L
L
HV57708
Data Out
D
D
D
D
I/O
I/O
I/O
I/O
1-4B
1-4B
1-4A
1-4A
-
-
-
-
-
-
-
-
-
-