HV57908 Просмотр технического описания (PDF) - Supertex Inc

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производитель

HV57908

8 MHz, 64-Channel Serial To Parallel Converter With Push-Pull Outputs

Supertex Inc 

Functional Block Diagram

POL

BL

LE

DIOA

HV57908

VPP

HVOUT1

Clock

DIR

64-bit

Static Shift

Register

64 Latches

DIOB

HVOUT2

•

•

•

60 Additional

Outputs

•

•

•

HVOUT63

HVOUT64

Function Table

Function

All O/P High

All O/P Low

O/P Normal

O/P Inverted

Data Falls

Through

(Latches

Transparent)

Data Stored

Latches Loaded

Data

CLK

X

X

X

X

X

X

X

X

L

↑

H

↑

L

↑

H

↑

X

X

X

X

I/O Relation

DIOA

↑

DIOB

↑

Note: * = dependent on previous stage’s state.

Inputs

LE

BL

X

L

X

L

X

H

X

H

H

H

H

H

H

H

H

H

L

H

L

H

X

X

X

X

POL

DIR

L

X

H

X

H

X

L

X

H

X

H

X

L

X

L

X

H

X

L

X

X

H

X

L

Shift Reg

L

H

L

H

*

*

Qn→ Qn +1

Qn→ Qn -1

Outputs

HV Outputs

H

L

No inversion

Inversion

L

H

H

L

Stored Data

Inversion of

Stored Data

-

-

Data Out

DIOB

DIOA

4

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