Order this document by MC1488/D
Quad Line Driver
The MC1488 is a monolithic quad line driver designed to interface data
terminal equipment with data communications equipment in conformance
with the specifications of EIA Standard No. EIA–232D.
Features:
•
Current Limited Output
±
10 mA typical
•
Power–Off Source Impedance
300
Ω
mininum
•
Simple Slew Rate Control with External Capacitor
MC1488
QUAD MDTL LINE DRIVER
EIA–232D
SEMICONDUCTOR
TECHNICAL DATA
•
•
Flexible Operating Supply Range
Compatible with All Motorola MDTL and MTTL Logic Families
ORDERING INFORMATION
Device
MC1488P
MC1488D
TA = 0 to + 75°C
Operating
Temperature Range
Package
Plastic
SO–14
D SUFFIX
PLASTIC PACKAGE
CASE 751A
(SO–14)
P SUFFIX
PLASTIC PACKAGE
CASE 646
PIN CONNECTIONS
Simplified Application
Line Driver
MC1488
Interconnecting
Cable
Line Receiver
MC1489
VEE 1
Input A 2
Output A 3
Input B1 4
Input B2 5
Output B 6
14 VCC
13 Input D1
12 Input D2
11 Output D
10 Input C1
9 Input C2
8 Output C
MDTL Logic Input
Interconnecting
Cable
MDTL Logic Output
Gnd 7
Circuit Schematic
(1/4 of Circuit Shown)
VCC 14
8.2 k
Pins 4, 9, 12 or 2
Input
Input
Pins 5, 10, 13
6.2 k
70
300
Output
Pins 6, 8, 11 or 3
3.6 k
GND 7
10 k
7.0 k
VEE 1
70
©
Motorola, Inc. 1996
Rev 3
MOTOROLA ANALOG IC DEVICE DATA
1