HV66 Supertex, Inc., HV66 Datasheet - Page 4

• Manufacturer Part Number: HV66
• Description: 32-channel Lcd Driver With Separate Backplane Output
• Manufacturer: Supertex, Inc.

Functional Block Diagram
Function Table
Notes:
H = high level, L = low level, X = irrelevant,
*
= dependent on previous stage’s state before the last CLK or last LE high.
Function
Load S/R
Load latches
Transparent
Mode
R/L Shift
Blank
Control
Latch Enable
Data Input
Data Out
Polarity
Blank
Clock
GND
V
V
DIR
DD
PP
H or L
Data
H
H
X
X
X
X
X
X
L
L
H or L
H or L
CLK
X
↑
↑
↑
↑
↑
↑
↑
X
↑
= low-to-high transition.
Register
32-Bit
Shift
LE
H
H
H
H
X
X
X
X
L
L
L
Inputs
BL
H
H
H
H
H
H
H
H
H
L
L
POL
Latch
Latch
Latch
Latch
H
H
H
H
X
X
H
L
L
L
L
DIR
4
X
X
X
X
X
X
X
X
X
H
L
H or L
H
H
1
L
L
Qn → Qn-1
*
*
Qn → Qn+1
*
*
Shift Reg
2…32
*…*
*…*
*…*
*…*
*…*
*…*
*…*
*…*
*…*
H
H
H
1
L
L
L
*
*
*
*
*
HV Outputs
Outputs
2…32
H…H
L…L
*…*
*…*
*…*
*…*
*…*
*…*
*…*
*…*
*…*
(Outputs 3 to 30
Data Out
not shown)
2…32
Q32
Q1
HV
HV
HV
HV
BP
*
*
*
*
*
*
*
*
*
OUT
OUT
OUT
OUT
OUT
1
2
31
32
BP
H
H
H
H
H
L
L
L
L
*
OUT
HV66