1

SP486/487

Quad RS-485/RS-422 Line Drivers

© Copyright 2000 Sipex Corporation

DESCRIPTION…

The SP486 and SP487 are low–power quad differential line drivers meeting RS-485 and RS-422

standards. The SP486 features a common driver enable control; the SP487 provides indepen-

dent driver enable controls for each pair of drivers. Both feature tri–state outputs and wide

common–mode input range. Both are available in 16–pin plastic DIP and SOIC packages.

s RS-485 or RS-422 Applications

s Quad Differential Line Drivers

s Tri–state Output Control

s 40ns Typical Driver Propagation

Delays

s 5ns Skew

s –7V to +12V Common Mode Output

Range

s 100

µA Supply Current

s Single +5V Supply Operation

s Pin Compatible with SN75172,

SN75174, LTC486, and LTC487

1

2

3

4

SP487

GND

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

1

2

3

4

SP486

EN

GND

EN

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

SP486/487

Quad RS-485/RS-422 Line Drivers

®