Date: 03/28/05

SP3070E - SP3078E Family, ±15kV ESD-Protected, Failsafe RS-485/RS422 Transceivers

© Copyright 2005 Sipex Corporation

2

DEVICE ARCHITECTURE AND BLOCK DIAGRAMS

D

R

NC

A

B

Z

Y

R

NC

NC

DE

REB

GND

GND

2

1

3

4

5

6

7

8

9

10

11

12

13

14

D

D

R

A

B

Z

Y

R

GND

2

1

3

4

5

6

7

8

D

D

R

A

B

RO

GND

2

1

3

4

5

6

7

8

DE

RE

DI

14 Pin Full Duplex:

SP3070E, 250kbps slew limited

SP3073E, 500kbps slew limited

SP3076E, 16Mbps

8 Pin Full Duplex:

SP3071E, 250kbps slew limited

SP3074E, 500kbps slew limited

SP3077E, 16Mbps

8 Pin Half Duplex:

SP3072E, 250kbps slew limited

SP3075E, 500kbps slew limited

SP3078E, 16Mbps

Devices are available in three industry standard architectures and footprints. In each footprint

there are three speed grades available.