8420PS 데이터 시트보기 (PDF) - Holt Integrated Circuits

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8420PS

6-Channel / 8-Channel Discrete-to-Digital Interface Sensing Open / Ground Signals

Holt Integrated Circuits 

HI-8420, HI-8423

PIN DESCRIPTIONS

PIN

(HI-8420) (HI-8423)

1

1

2

2

3

3

4

4

5

5

6

6

-

7

7

8

8

9

9

10

-

11

-

12

10

13

11

14

12

15

-

16

13

17

14

18

15

19

16

20

SYMBOL

IN1

IN2

IN3

IN4

IN5

IN6

IN7

OE

CE

VDD

OUT8

OUT7

OUT6

OUT5

OUT4

IN8

OUT3

OUT2

OUT1

GND

FUNCTION

Discrete Input

Discrete Input

Discrete Input

Discrete Input

Discrete Input

Discrete Input

Discrete Input

Digital input

Digital input

Power

Tri-state output

Tri-state output

Tri-state output

Tri-state output

Tri-state output

Discrete Input

Tri-state output

Tri-state output

Tri-state output

Power

DESCRIPTION

Open / Ground sensing input, channel 1

Open / Ground sensing input, channel 2

Open / Ground sensing input, channel 3

Open / Ground sensing input, channel 4

Open / Ground sensing input, channel 5

Open / Ground sensing input, channel 6

Open / Ground sensing input channel 7

Output Enable. OUT1-OUT8 are high-impedance if OE is high

Chip Enable. OUT1-OUT8 are high-impedance if CE is high

Positive supply voltage 5.0 V

Logic output, channel 8

Logic output, channel 7

Logic output, channel 6

Logic output, channel 5

Logic output, channel 4

Open / Ground sensing input, channel 8

Logic output, channel 3

Logic output, channel 2

Logic output, channel 1

Ground

HOLT INTEGRATED CIRCUITS

2

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