HV62208 Supertex, Inc., HV62208 Datasheet

HV62208

Manufacturer Part Number

HV62208

Description

32-channel 256 Gray-shade High Voltage Driver

Manufacturer

Supertex, Inc.

Datasheet

1.HV62208.pdf (6 pages)

Current page: 1 of 6
Download datasheet (67Kb)

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.

Ordering Information

Features

❏

Absolute Maximum Ratings

Supply voltage, V

Logic input levels

Continuous total power dissipation

Operating temperature range

Storage temperature range

Notes:

All voltages are referenced to GND.

Maximum V

For operation above 25°C ambient derate linearly to 85°C at 20mW/°C.

HV62208

HVCMOS

5V CMOS inputs

Up to 80V output voltage

PWM gray shade conversion

Capable of 256 levels of gray shading

Balanced shift clock complies with RS-422

8MHz shift and count clock frequency

16MHz data throughput rate

8 bit data bus

32 outputs per device

BLANK function

Device

to V

technology

voltage is 90V.

32-Channel 256 Gray-Shade High Voltage Driver

64-Lead 3-Sided Plastic Gullwing

HV62208PG

-0.5 to V

-65°C to +150°C

-40°C to +85°C

-0.5V to +7.5V

-0.5V to +80V

Package Option

-15V to 0V

+ 0.5V

1.2W

General Description

Not recommended for new designs. Please use HV632 instead.

The HV622 is a 32-channel gray-shade column driver IC de-

signed for driving electrofluorescent displays. Using Supertex’s

unique HVCMOS

shading by PWM conversion.

The shift clock is a balanced clock with electrical characteristics

complying with EIA RS-422 standard. Input data, in groups of

eight, is latched into a set of data latches on both edges of the shift

clock. The data shifted in the first data latch corresponds to

These data are compared to the contents of the master binary

counter which counts on both edges of the count clock. Each time

the master counter begins to decrement from 1111 1111, the data

in the data latches are compared with the contents of the counter;

if they match, the corresponding outputs will go high. The master

counter counts down to 0000 0001 and then starts to count up

again. The outputs that are at high will stay at high until the

contents of the counter match the data in the data latches again.

Therefore, the higher the binary data in the data latches, the

longer the outputs will stay at high. Thus, different high voltage

pulse widths are produced. When the counter reaches its

1111 1111 count while counting up, the device is ready for the

next operation cycle. A data value of 0000 0000 produces no

pulse; the output stays low.

The BLANK input signal will reset the master counter to all ones

(1111 1111) and set all high voltage outputs to low.

OUT

HV62208X

1, the second data latch corresponds to HV

Die

technology, it is capable of 256 levels of gray

HV62208

OUT

2, and so on.

Related parts for HV62208

HV62208 Summary of contents

Page 1

... The BLANK input signal will reset the master counter to all ones (1111 1111) and set all high voltage outputs to low. -15V 0.5V DD 1.2W -40°C to +85°C -65°C to +150°C 1 HV62208 ® technology capable of 256 levels of gray 2, and so on. OUT ...

Page 2

... V = GND Units Conditions V µ 8MHz 8MHz SC CC µA All V = GND, Count Clock = V IN Units Conditions µA All HV low or high OUT mA mA Units Conditions MHz MHz MHz 15pF 15pF L ns HV62208 DD DD ...

Page 3

... High-voltage outputs Positive high-voltage supply Low-voltage analog supply voltage Low-voltage digital supply voltage Negative high-voltage supply Digital ground Analog ground V DD Data Out GND Logic Data Output 3 Units Conditions MHz MHz ° High Voltage Output HV62208 OUT ...

Page 4

... L/T L/T L/T ≈ ≈ L Count Clock L/T = Level Translator VALID DATA 1 252 253 254 255 1 252 253 254 255 HV62208 HV 1 OUT HV 2 OUT HV 3 OUT • • • OUT 16 ...

Page 5

... BLD 90% 50 255 254 5 NEXT LOADING CYCLE SC1 SCN DATA DATA DATA SET 1 SET 2 SET 2N -1 CCC 50% 50% t CCD 90% 10% t CDD 50 HV62208 DATA SET ...

Page 6

... Supertex Inc. All rights reserved. Unauthorized use or reproduction prohibited. Package Outline 3-sided Plastic 64-pin Gullwing Package Index top view 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 • FAX: (408) 222-4895 www.supertex.com HV62208 02/06//02 ...

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