HV9308
HV9408
32-Channel Serial To Parallel Converter
With High Voltage Push-Pull Outputs
Ordering Information
Package Options
Device
Recommended
Operating
V
PP
max
80V
80V
44 J-Lead
Quad Plastic
Chip Carrier
HV9308PJ
HV9408PJ
Dice in
Waffle Pack
Chip Carrier
HV9308X
HV9408X
HV9308
HV9408
Features
❏
Processed with HVCMOS
®
technology
❏
Low power level shifting
❏
Shift register speed 8MHz
❏
Latched data outputs
❏
5V CMOS compatible inputs
❏
Forward and reverse shifting options
❏
Diode to V
PP
allows efficient power recovery
❏
44-lead ceramic surface mount package
❏
Hi-Rel processing available
General Description
The HV93 and HV94 are low voltage serial to high voltage parallel
converters with push-pull outputs. These devices have been
designed for use as drivers for AC-electroluminescent displays.
They can also be used in any application requiring multiple output
high voltage current sourcing and sinking capabilities such as
driving plasma panels, vacuum fluorescent, or large matrix LCD
displays.
These devices consist of a 32-bit shift register, 32 latches, and
control logic to enable outputs. HV
OUT
1 is connected to the first
stage of the shift register through the Output Enable logic. Data is
shifted through the shift register on the low to high transition of the
clock. The HV94 shifts in the counterclockwise direction when
viewed from the top of the package and the HV93 shifts in the
clockwise direction. A data output buffer is provided for cascading
devices. This output reflects the current status of the last bit of the
shift register (32). Operation of the shift register is not affected by
the LE (latch enable) or the OE (output enable) inputs. Transfer
of data from the shift register to the latch occurs when the LE input
is high. The data in the latch is retained when LE is low.
Absolute Maximum Ratings
1
Supply voltage, V
DD2
Supply voltage, V
PP2
Logic input levels
2
Ground current
3
Continuous total power dissipation
4
Operating temperature range
Storage temperature range
Lead temperature 1.6mm (1/16 inch)
from case for 10 seconds
-0.5V to +7V
-0.5V to +90V
-0.5 to V
DD
+ 0.5V
1.5A
1200mW
-40°C to 85°C
-65°C to +150°C
260°C
Notes:
1. Device will survive (but operation may not be specified or guaranteed) at
these extremes.
2. All voltages are referenced to GND
1
.
3. Duty cycle is limited by the total power dissipated in the package.
4. For operation above 25°C ambient derate linearly to maximum operating
temperature at 20mW/°C.
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 products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.
1
SUPERTEX [ Supertex, Inc ]
