4

Supertex inc.

www.supertex.com

Doc.# DSFP-HV5630

C072313

HV5630

Switching Waveforms

LE

HV

OUT

w/ S/R HIGH

Data Valid

50%

50%

DATA

IN

CLK

DATA

OUT

50%

50%

50%

t

SU

t

H

t

WH

t

WL

50%

50%

t

DLH

t

DHL

50%

t

WLE

t

DLE

t

SLE

50%

50%

10%

t

ON

V

IH

V

IL

V

IH

V

IL

V

OH

V

OL

V

OH

V

OL

V

IH

V

IL

V

OH

V

OL

Functional Table

Function

Inputs

Outputs

Data

CLK

LE

BL

POL

Shift Reg

HV Outputs

Data Out

*

1

2...32

1

2...32

All on

X

X

X

L

L

*

*...*

On

On...On

*

All off

X

X

X

L

H

*

*...*

Off

Off...Off

*

Invert mode

X

X

L

H

L

*

*...*

*

*...*

*

Load S/R

H or L

↓

L

H

H

H or L

*...*

*

*...*

*

Load latches

X

H or L

↑

H

H

*

*...*

*

*...*

*

X

H or L

↑

H

L

*

*...*

*

*...*

*

Transparent latch

mode

L

↓

H

H

H

L

*...*

Off

*...*

*

H

↓

H

H

H

H

*...*

On

*...*

*

Notes:

H = high level, L = low level, X = irrelevant, ↓ = high-to-low transition, ↑ = low-to-high transistion.

* dependent on previous stage’s state before the last CLK ↓ or last LE high.