SN75476 THRU SN75478

DUAL PERIPHERAL DRIVERS

SLRS025A – DECEMBER 1976 – REVISED NOVEMBER 1995

2

POST OFFICE BOX 655303

POST OFFICE BOX 1443

logic diagrams (positive logic)

† These symbols are in accordance with ANSI/IEEE Std 91-1984

and IEC publication 617-12.

2A

S

1A

7

1

2

GND

CLAMP

2Y

1Y

4

5

6

3

CLAMP

CLAMP

2Y

1Y

7

1

2

2A

S

1A

5

6

3

3

6

5

1A

S

2A

2

1

7

1Y

2Y

CLAMP

CLAMP

3

6

5

4

1Y

2Y

CLAMP

GND

2

1

7

1A

S

2A

2A

S

1A

7

1

2

GND

CLAMP

2Y

1Y

4

5

6

3

CLAMP

CLAMP

2Y

1Y

7

1

2

2A

S

1A

5

6

3

&

&

≥1

SN75476

SN75476

Positive Logic: Y = AS or A+S

SN75477

SN75477

Positive Logic: Y = AS or A+S

SN75478

SN75478

Positive Logic: Y = A+S or A S