Order this document by MC1488/D
MC1488
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
•
•
QUAD MDTL LINE DRIVER
EIA–232D
SEMICONDUCTOR
TECHNICAL DATA
Flexible Operating Supply Range
P SUFFIX
PLASTIC PACKAGE
CASE 646
Compatible with All Motorola MDTL and MTTL Logic Families
ORDERING INFORMATION
Operating
Temperature Range
Device
D SUFFIX
PLASTIC PACKAGE
CASE 751A
(SO–14)
Package
MC1488P
Plastic
TA = 0 to + 75°C
MC1488D
SO–14
PIN CONNECTIONS
VEE 1
Simplified Application
14 VCC
Interconnecting
Cable
10 Input C1
9 Input C2
Gnd 7
MDTL Logic Output
11 Output D
Output B 6
MDTL Logic Input
12 Input D2
Input B2 5
Line Receiver
MC1489
13 Input D1
Input B1 4
Interconnecting
Cable
Input A 2
Output A 3
Line Driver
MC1488
8 Output C
Circuit Schematic
(1/4 of Circuit Shown)
VCC 14
6.2 k
8.2 k
Pins 4, 9, 12 or 2
Input
Input
Pins 5, 10, 13
70
300
Output
Pins 6, 8, 11 or 3
3.6 k
GND 7
10 k
7.0 k
70
VEE 1
© Motorola, Inc. 1996
MOTOROLA ANALOG IC DEVICE DATA
Rev 3
1
