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PDF HV518X Data sheet ( Hoja de datos )
| Número de pieza | HV518X | |
| Descripción | 32-Channel Vacuum-Fluorescent Display Driver | |
| Fabricantes | Supertex Inc | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HV518X (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Supertex inc.
32-Channel Vacuum-Fluorescent
Display Driver
HV518
Features
► 32 output lines
► 90V output swing
► Active pull-down
► Latches on all outputs
► Up to 6.0MHz @ VDD = 5.0V
► -40°C to +85°C operation
Applications
► Vacuum flourescent displays
► DC plasma displays
General Description
The HV518 is designed for vacuum fluorescent or DC plasma
applications, where it can serve as a segment, digit or matrix
display driver. Each device has 32 outputs, 32 latches and a
32-bit cascadable shift register.
Serial data enters the shift register on the LOW-to-HIGH
transition of the clock input. With latch enable (LE) HIGH,
parallel data is transferred to the output buffers through a
32-bit latch. When LE is low the data is stored in the latch.
When STROBE (STR) is LOW, all outputs are enabled; if
STROBE is HIGH, all outputs are LOW.
Block Diagram
DIN
CLK
DOUT
32-Bit
Shift
Register
LE STR
Latches
VPP
HVOUT1
HVOUT32
Doc.# DSFP-HV518
C072413
Supertex inc.
www.supertex.com
1 page  
Truth Tables
Input
Data In
CLK
H
L
X No Change
* Previous state.
Data Out
H
L
*
Output
Data In
X
H
L
X
* Previous state.
LE
X
H
H
L
HV518
STR
H
L
L
L
HV Outputs
All Low
High
Low
*
Typical Operating Sequence
CLK
DATA
IN
●●●
VALID
SR
CONTENTS
INVALID
LE
LATCH
CONTENTS
PREVIOUSLY STORED DATA
IRRELEVANT
VALID
NEW DATA VALID
STR
HV
OUTPUT
VALID
Doc.# DSFP-HV518
C072413
Supertex inc.
5 www.supertex.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet HV518X.PDF ] | |
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