Datasheet > HV9808_14

HV9808_14

更新时间： 2024-11-03 01:16:27

品牌	Logo	应用领域
超科 - SUPERTEX		/
页数	文件大小	规格书
7页	481K
描述
32-Channel Serial to Parallel Converter With High Voltage Push-Pull Outputs

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HV9808_14 数据手册

Supertex inc.

HV9808

32-Channel Serial to Parallel Converter

With High Voltage Push-Pull Outputs

Features

General Description

► Processed with HVCMOS^®technology

► Output voltages up to 80V

The HV9808 is a low voltage serial to high voltage parallel

converters with push-pull 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 sourcing and sinking capabilities such as driving plasma

panels, vacuum ﬂuorescent, or large matrix LCD displays. The

inputs are fully CMOS compatible.

► Low power level shifting

► Shift register speed 8.0MHz

► Latched data outputs

► 5.0V CMOS compatible inputs

► Forward and reverse shifting options

► Diode to VPP allows efﬁcient power recovery

This device consists of a 32-bit shift register, 32 latches, and

control logic to perform the polarity select and blanking of the

outputs. HV_OUT1 is connected to the ﬁrst stage of the shift register

through the polarity and blanking logic. Data is shifted through

the shift register on the logic low to high transition of the clock.

The HV9808 shifts data in the counter-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 (HV_OUT32). Operation

of the shift register is not affected by the LE (latch enable), BL

(blanking), or the POL (polarity) in-puts. 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

VPP

POLARITY

BLANKING

LATCH ENABLE

HV_OUT

DATA INPUT

CLOCK

Latch

HV_OUT

32-Bit

Shift

(Outputs 3 to 30

not shown)

HV_OUT31

Latch

HV_OUT32

DATA OUT

Doc.# DSFP-HV9808

B032714

Supertex inc.

www.supertex.com

12 3 4 5 6 7

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