MC1489P 查看數據表（PDF） - Motorola => Freescale

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MC1489P

Quad Line Receiver

Motorola => Freescale 

Order this document by MC1489/D

Quad Line 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.

• Input Resistance – 3.0 k to 7.0 kΩ

• Input Signal Range – ± 30 V

• Input Threshold Hysteresis Built In

• Response Control

a) Logic Threshold Shifting

b) Input Noise Filtering

MC1489, A

QUAD MDTL

LINE RECEIVERS

EIA–232D

SEMICONDUCTOR

TECHNICAL DATA

Device

MC1489P, AP

MC1489D, AD

ORDERING INFORMATION

Operating

Temperature Range

TA = 0 to + 75°C

Package

Plastic

SO–14

Line Driver

MC1488

Simplified Application

Interconnecting

Cable

Line Receiver

MC1489

MDTL Logic Input

Interconnecting

Cable

MDTL Logic Output

P SUFFIX

PLASTIC PACKAGE

CASE 646

D SUFFIX

PLASTIC PACKAGE

CASE 751A

(SO–14)

PIN CONNECTIONS

Input A 1

Response

Control A

2

Output A 3

Input B 4

Response

Control B

5

Output B 6

Ground 7

14 VCC

13 Input D

12 Response

Control D

11 Output D

10 Input C

9 Response

Control C

8 Output C

Representative Schematic Diagram

(1/4 of Circuit Shown)

Response Control 2

3.8 k

Input 1

MC1489 MC1489A

RF 6.7 kΩ 1.6 kΩ

MOTOROLA ANALOG IC DEVICE DATA

9.0 k

5.0 k

1.7 k

RF

10 k

© Motorola, Inc. 1996

14

VCC

3 Output

7 GND

Rev 5

1

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