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| HV7022PJ-C-G Datasheet, PDF (1/9 Pages) Supertex, Inc – 34-Channel Symmetric Row Driver | |||
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Supertex inc.
34-Channel
Symmetric Row Driver
HV7022C
Features
âºâº HVCMOS® technology
âºâº Symmetric row drive (reduces latent imaging in
ACTFEL displays)
âºâº Output voltage up to +230V
âºâº Low power level shifting
âºâº Source/sink current minimum 70mA
âºâº Shift register speed 4.0MHz
âºâº Pin-programmable shift direction
General Description
The HV7022C is a low-voltage serial to high-voltage parallel
converter with push-pull outputs. It is especially suited for use
as a symmetric row driver in AC thin-film electroluminescent
(ACTFEL) displays. The HV7022C offers 34 output lines, a
direction (DIR) pin to give CW or CCW shift register loading,
output enable (OE), and polarity (POL) control. After data is
entered (on the falling edge of CLK), a logic high will cause
the output to swing to VPP if POL is high, or to GND if POL
is low.
Functional Block Diagram
VPP
OE
POL
VDD
DATA INPUT
Level
Translator
P
HVOUT1
N
CLK
S/R
DIR
Level
Translator
P
HVOUT2
N
DATA OUT
GND
Doc.# DSFP-HV7022C
B041111
Level
Translator
P
HVOUT34
N
Supertex inc.
www.supertex.com
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