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PDF HV5623 Data sheet ( Hoja de datos )
| Número de pieza | HV5623 | |
| Descripción | 32-Channel Serial To Parallel Converter | |
| Fabricantes | Supertex | |
| Logotipo |  |
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Supertex inc.
HV5623
32-Channel Serial To Parallel Converter
With Open Drain Outputs
Features
►► Processed with HVCMOS® technology
►► Sink current minimum 100mA
►► Shift register speed 16MHz
►► Polarity and blanking inputs
►► CMOS compatible inputs
Applications
►► Inkjet and Electrostatic Print Heads
►► AC-Electroluminescent Displays
►► MEMS Applications
General Description
The HV5623 is a low-voltage serial to high-voltage parallel converter
with open drain outputs. This device has been designed for use as
a driver for AC-electroluminescent displays. It can also be used in
any application requiring multiple output high voltage current sinking
capabilities, such as driving inkjet and electrostatic print heads,
plasma panels, and vacuum fluorescent or large matrix LCD displays.
This device consists of a 32-bit shift register, 32 latches, and control
logic to perform the polarity selection and blanking of the outputs.
Data are shifted through the shift register on the high to low transition
of the clock. The HV5623 shifts in a clockwise direction when viewed
from the top of the package. A data output buffer is provided for
cascading devices. This output reflects the current status of the last
bit of the shift register. Operation of the shift register is not affected by
the LE (latch enable), BL (blanking), or POL (polarity) inputs. Transfer
of data from the shift register to the latch occurs when the LE (latch
enable) input is high. The data in the latch is stored when LE is low.
Block Diagram
POL
BL
LE
DATA
INPUT
CLK
32-Bit
Shift
Register
DATA
OUTPUT
Latch
Latch
Latch
Latch
HVOUT1
HVOUT2
(Outputs 3 to 30
not shown)
HVOUT31
HVOUT32
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
1 page  
HV5623
Pin Description
Pin #
Function
1 HVOUT22
2 HVOUT21
3 HVOUT20
4 HVOUT19
5 HVOUT18
6 HVOUT17
7 HVOUT16
8 HVOUT15
9 HVOUT14
10 HVOUT13
11 HVOUT12
12 HVOUT11
13 HVOUT10
14 HVOUT9
15 HVOUT8
16 HVOUT7
17 HVOUT6
18 HVOUT5
19 HVOUT4
20 HVOUT3
21 HVOUT2
22 HVOUT1
23 DATA OUT
24 N/C
25 N/C
26 N/C
27 POL
28 CLK
29 VSS
30 VDD
31 LE
32 DATA IN
33 BL
34 N/C
35 HVOUT32
36 HVOUT31
37 HVOUT30
38 HVOUT29
39 HVOUT28
40 HVOUT27
41 HVOUT26
42 HVOUT25
43 HVOUT24
44 HVOUT23
Center Tab
Description
High voltage outputs.
Data output pin.
No internal connection.
Inverts the polarity of the HVOUT pins
Clock pin, shift registers shifts data on falling edge of input clock.
Reference voltage, usually ground.
Logic supply voltage.
Latch enable pin, data is shifted from shift register to latches on logic input high.
Data input pin.
Blanking pin sets all HVout pins ON or OFF depending upon state of polarity. See function table.
No internal connection.
High voltage outputs.
Connect to VSS
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HV5623.PDF ] | |
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