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Supertex Inc |
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
Ordering Information
Part Number
Package
HV518P-G
40-Lead PDIP
HV518PJ-G
44-Lead PLCC
HV518PJ-G M903 44-Lead PLCC
-G denotes a lead (Pb)-free / RoHS compliant package
Packing
9/Tube
27/Tube
500/Reel
Pin Configurations
1 40
HV518
Absolute Maximum Ratings
Parameter
Value
Supply voltage, VDD
Supply voltage, VPP
Logic input levels
Continuous total power dissipation1,2
-0.5V to +6.0V
-0.5V to +90V
-0.5V to VDD +0.5V
1200mW
Operating temperature
-40°C to +85°C
Storage temperature
-65°C to +150°C
Absolute Maximum Ratings are those values beyond which damage to the
device may occur. Functional operation under these conditions is not implied.
Continuous operation of the device at the absolute rating level may affect device
reliability. All voltages are referenced to GND.
Notes:
1. Duty cycle is limited by the total power dissipated in the package.
2. For operation above 25OC ambient, derate linearly to 85OC at 20mW/OC.
40-Lead PDIP
(top view)
6 1 44 40
44-Lead PLCC
(top view)
Typical Thermal Resistance
Package
40-Lead PDIP
θja
39OC/W
44-Lead PLCC
37OC/W
Product Marking
Top Marking
YYWW
HV518P
LLLLLLLLLL
Bottom Marking
CCCCCCCCCCC
AAA
Y = Last Digit of Year Sealed
WW = Week Sealed
L = Lot Number
C = Country of Origin*
A = Assembler ID*
= “Green” Packaging
*May be part of top marking
Package may or may not include the following marks: Si or
40-Lead PDIP
Top Marking
YY = Year Sealed
YYWW
HV518PJ
LLLLLLLLLL
WW = Week Sealed
L = Lot Number
C = Country of Origin*
Bottom Marking A = Assembler ID*
CCCCCCCCCCC
AAA
= “Green” Packaging
*May be part of top marking
Package may or may not include the following marks: Si or
44-Lead PLCC
Doc.# DSFP-HV518
C072413
Supertex inc.
2 www.supertex.com
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