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PDF HV7022X-C Data sheet ( Hoja de datos )
| Número de pieza | HV7022X-C | |
| Descripción | 34-Channel Symmetric Row Driver | |
| Fabricantes | Supertex Inc | |
| Logotipo |  |
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HV7022-C
34-Channel Symmetric Row Driver
Ordering Information
Device
44 J-Lead Quad
Ceramic Chip Carrier
Package Options
44 J-Lead Quad
Plastic Chip Carrier
Die in
waffle pack
HV7022-C
HV7022DJ-C
HV7022PJ-C
*For Hi-Rel process flows, refer to page 5-3 of the databook.
HV7022X-C
44 J-Lead Quad
Ceramic Chip Carrier
(MIL-Std-883 Processed*)
RBHV7022DJ-C
Features
❏ Processed with HVCMOS® technology
❏ Symmetric row drive (reduces latent imaging
in ACTFEL displays)
❏ Output voltages up to 230V
❏ Low-power level shifting
❏ Source/Sink current 70mA (min.)
❏ Shift register speed 4MHz
❏ Pin-programmable shift direction
❏ 44-lead plastic & ceramic surface-mount packages
❏ Hi-Rel processing available
General Description
The HV7022-C 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 HV70 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 INPUT is entered (on the falling
edge of CLOCK), a logic high will cause the output to swing to VPP
if POL is high, or to GND if POL is low.
Absolute Maximum Ratings
Supply voltage, VDD1
Supply voltage, VPP1
Logic input levels1
Ground current 2
-0.3V to +15V
-0.3V to +250V
-0.3V to VDD +0.3V
1.5A
Continuous total power dissipation3: Plastic
Ceramic
1200mW
1500mW
Operating temperature range
Plastic
Ceramic
-40°C to +85°C
-55°C to 125°C
Storage temperature range
-65°C to +150°C
Lead temperature 1.6mm (1/16 inch)
from case for 10 seconds
260°C
Notes:
1. All voltages are referenced to GND.
2. Duty cycle is limited by the total power dissipated in the package.
3. For operation above 25°C ambient derate linearly to maximum operating
temperature at 25mW/°C for plastic and at 15mW/°C for ceramic.
For Detailed circuit and application information, please refer
to Application Note AN-H3.
02/96/022
Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability
indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to
workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the
Supertex website: http://www.supertex.com. For complete liability information on all Supertex prod1ucts, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.
1 page  
Functional Block Diagram
VPP
OE
Polarity
VDD
Data In
CLK
DIR
S/R
HV7022-C
P
LT
HVOUT1
N
LT
HVOUT2
Data Out
LT
HVOUT34
GND
LT = Level Translator
Function Table
I/O
Relations
CLK
Inputs
DIR Data
POL
O/P HIGH
O/P OFF
O/P LOW
O/P OFF
O/P OFF
Load S/R,
set DIR
X
X
X
X
X
↓
↓
No ↓
X
X
X
X
X
L
H
X
HH
LH
HL
LL
XX
XX
XX
XX
Notes:
H = logic high level, L = logic low level, X = irrelevant, ↓ = high-to-low transition,
Q1 = HVOUT 1, Qn = HVOUT(n), etc.
* = dependent on previous state and whether an O/P or S/R command occured.
Outputs
OE
Shift Reg
HV Outputs
Data Out
H*
H
H
*
HIGH-Z
*
H*
L*
H
*
HIGH-Z
*
L
*
All O/P HIGH-Z
*
X Qn →Qn+1
*
Q34
X Qn →Qn-1
*
Q1
X * No Change No Change
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HV7022X-C.PDF ] | |
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