© Semiconductor Components Industries, LLC, 2004

April, 2004 − Rev. 8

1

Publication Order Number:

MC1489/D

MC1489, MC1489A

Quad Line EIA−232D

Receivers

The MC1489 monolithic quad line receivers are designed to

interface data terminal equipment with data communications

equipment in conformance with the specifications of EIA Standard

No. EIA−232D.

Features

a) Logic Threshold Shifting

b) Input Noise Filtering

MDTL Logic Output

Interconnecting

Cable

Interconnecting

Cable

MDTL Logic Input

Line Receiver

MC1489

Figure 1. Simplified Application

Line Driver

MC1488

PDIP−14

P SUFFIX

CASE 646

1

14

SOIC−14

D SUFFIX

CASE 751A

1

14

See general marking information in the device marking

section on page 8 of this data sheet.

DEVICE MARKING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 8 of this data sheet.

ORDERING INFORMATION

1

1

14

SOEIAJ−14

M SUFFIX

CASE 965

PIN CONNECTIONS

Input D

13

Response

Control B

Input A

Response

Control A

1

Ground

Input B

2

Output C

Response

Control C

Output D

14

Response

Control D

Output A

Input C

Output B

8

9

10

11

12

7

5

3

4

6

http://onsemi.com

*For additional information on our Pb−Free strategy

and soldering details, please download the

ON Semiconductor Soldering and Mounting

Techniques Reference Manual, SOLDERRM/D.