HI-8444(2016) データシートの表示（PDF） - Holt Integrated Circuits

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HI-8444
(Rev.:2016)

Quad / Octal ARINC 429 Line Receivers

Holt Integrated Circuits 

BLOCK DIAGRAMS

IN1 A

IN1 B

IN2 A

IN2 B

IN3 A

IN3 B

IN4 A

IN4 B

OUT1 A

OUT1 B

OUT2 A

OUT2 B

OUT3 A

OUT3 B

OUT4 A

OUT4 B

TESTA

TESTB

HI-8444

HI-8444, HI-8445, HI-8448

IN1 A

IN1 B

IN2 A

IN2 B

IN3 A

IN3 B

IN4 A

IN4 B

OUT1 A

OUT1 B

OUT2 A

OUT2 B

OUT3 A

OUT3 B

OUT4 A

OUT4 B

HI-8445

IN1 AX

IN1 BX

IN2 AX

IN2 BX

IN3 AX

IN3 BX

IN4 AX

IN4 BX

TESTA(X)

TESTB(X)

TESTA(Y)

TESTB(Y)

IN1 AY

IN1 BY

IN2 AY

IN2 BY

IN3 AY

IN3 BY

IN4 AY

IN4 BY

HI-8448

OUT1 AX

OUT1 BX

OUT2 AX

OUT2 BX

OUT3 AX

OUT3 BX

OUT4 AX

OUT4 BX

OUT1 AY

OUT1 BY

OUT2 AY

OUT2 BY

OUT3 AY

OUT3 BY

OUT4 AY

OUT4 BY

PIN DESCRIPTIONS (HI-8444, HI-8445)

PIN

SYMBOL FUNCTION

DESCRIPTION

1

IN1 A

ARINC input

Receiver 1 positive input

2

IN1 B

ARINC input

Receiver 1 negative input

3

IN2 A

ARINC input

Receiver 2 positive input

4

IN2 B

ARINC input

Receiver 2 negative input

5

TESTA

Logic input

Test input. (Not available on HI-8445)

6

TESTB

Logic input

Test input. (Not available on HI-8445)

7

IN3 A

ARINC input

Receiver 3 positive input

8

IN3 B

ARINC input

Receiver 3 negative input

9

IN4 A

ARINC input

Receiver 4 positive input

10

IN4 B

ARINC input

Receiver 4 negative input

11

OUT4 B

Logic output

Receiver 4 "ZERO" output

12

OUT4 A

Logic output

Receiver 4 "ONE" output

13

OUT3 B

Logic output

Receiver 3 "ZERO" output

14

OUT3 A

Logic output

Receiver 3 "ONE" output

15

VSS

Power

Ground

16

VDD

Power

Positive supply voltage 3.3V or 5.0 V

17

OUT2 B

Logic output

Receiver 2 "ZERO" output

18

OUT2 A

Logic output

Receiver 2 "ONE" output

19

OUT1 B

Logic output

Receiver 1 "ZERO" output

20

OUT1 A

Logic output

Receiver 1 "ONE" output

HOLT INTEGRATED CIRCUITS

2

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