HV4522
Switching Waveforms
DATA INPUT
50%
CLK
50%
DATA OUT
LE
HVOUT
w/ S/R HIGH
Data Valid
tSU
tH
50%
tWH
tWL
tDHL
tDLH
50%
50%
50%
50%
tDLE
tWLE
10%
tON
50%
50%
tSLE
VSS
VSS -12
VSS
50%
VSS -12
VSS
VSS -12
VSS
VSS -12
VSS
VSS -12
VSS
VOO
Function Table
Inputs
Outputs
Function
Data
CLK LE
BL POL
Shift Reg
1
2...32
HV Outputs
1
2...32
All on
X
X
X
L
L
*
*...*
H
All off
X
X
X
L
H
*
*...*
L
Invert mode
X
X
L
H
L
*
*...*
*
Load S/R
H or L
↓
L
H
H
H or L *...*
*
X
H or L
↑
Load latches
X
H or L
↑
H
H
H
L
*
*...*
*
*
*...*
*
Transparent
L
latch mode
H
↓
H
H
H
L
*...*
L
↓
H
H
H
H
*...*
H
Notes:
H = high level = -12V, L = low level = 0V, X = irrelevant, ↓ = high-to-low transition, ↑ = low-to-high transition.
* = dependent on previous stage’s state before the last CLK high-to-low transition or last LE high.
H...H
L...L
*...*
*...*
*...*
*...*
*...*
*...*
Data Out
*
*
*
*
*
*
*
*
*
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
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