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| HV518_07 Datasheet, PDF (1/8 Pages) Supertex, Inc – 32-Channel Vacuum-Fluorescent Display Driver | |||
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HV518
32-Channel Vacuum-Fluorescent
Display Driver
Features
⺠32 output lines
⺠90V output swing
⺠Active pull-down
⺠Latches on all outputs
⺠Up to 6MHz @ VDD = 5.0V
⺠-40°C to +85°C operation
Applications
⺠Vacuum ï¬ourescent displays
⺠DC plasma displays
General Description
The HV518 is designed for vacuum ï¬uorescent 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 is LOW, all outputs are enabled; if STROBE
is HIGH, all outputs are LOW.
Block Diagram
DIN
CLK
DOUT
32-Bit
Shift
Register
LE
STB
Latches
VPP
HVOUT1
HVOUT32
1
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