HV4522X View Datasheet(PDF) - Supertex Inc

Part Name

Description

MFG CO.

HV4522X

32-Channel Serial To Parallel Converter with P-Channel Open Drain Outputs

Supertex Inc 

Functional Block Diagram

VSS

Polarity

Blanking

Latch Enable

Data Input

Clock

32-Bit

Shift

Register

Data Out

Latch

Latch

Latch

Latch

HV4522/HV4622

HVOUT1

HVOUT2

(Outputs 3 to 30

not shown)

HVOUT31

HVOUT32

Function Table

Function

Data

Inputs

CLK

LE

BL

POL

All on

X

X

X

L

L

All off

X

X

X

L

H

Invert mode

X

X

L

H

L

Load S/R

Load

latches

Transparent

latch mode

H or L

↓

L

X

H or L

↑

X

H or L

↑

L

↓

H

H

↓

H

H

H

H

H

H

L

H

H

H

H

Notes:

H = high level = -12V, L = low level = 0V, X = irrelevant, ↓ = high-to-low transition, ↑ = low-to-high transition.

* = dependent on previous stage’s state before the last CLK high-to-low transition or last LE high.

Shift Reg

1 2…32

* *…*

* *…*

* *…*

H or L *…*

* *…*

* *…*

L *…*

H *…*

Outputs

HV Outputs

1 2…32

H H…H

L

L…L

*

*…*

*

*…*

*

*…*

*

*…*

L

*…*

H

*…*

Data Out

*

*

*

*

*

*

*

*

*

4

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