HV3418
Function Table
Inputs
Outputs
Function
Data CLK LE BL POL DIR
Shift Reg
1
2...64
HV Outputs
1
2...64
All on
X
X
X
L
L
X
*
*...*
H
H...H
All off
X
X
X
L
H
X
*
*...*
L
L...L
Invert mode
X
X
L
H
L
X
*
*...*
*
*...*
Load S/R H or L ↑
L
H
H
X
H or L
*...*
*
*...*
Load/store
X
X
↓
H
H
X
*
*...*
*
*...*
data in latches X
X
↓
H
L
X
*
*...*
*
*...*
Transparent
L
↑
H
H
H
X
L
*...*
latch mode
H
↑
H
H
H
X
H
*...*
I/O relation
DIOA
↑
DIOB
↑
X
X
X
L
X
X
X
H
QN→
QN→
QN+1
QN+1
Notes:
H = high level, L = low level = 0V, X = irrelevant, ↑ = low-to-high transition, ↓ = high-to-low transition.
* = dependent on previous stage’s state before the last CLK or last LE high.
L
*...*
H
*...*
-
-
Data Out
*
*
*
*
*
*
*
*
*
DIOB
DIOA
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
5