MC1488, SN55188, SN75188
QUADRUPLE LINE DRIVERS
SLLS094B – SEPTEMBER 1983 – REVISED MAY 1995
D
D
D
D
D
D
D
Meet or Exceed the Requirements of ANSI
EIA/ TIA-232-E and ITU Recommendation
V.28
Designed to Be Interchangeable With
Motorola MC1488
Current-Limited Output: 10 mA Typical
Power-Off Output Impedance: 300 Ω
Minimum
Slew Rate Control by Load Capacitor
Flexible Supply Voltage Range
Input Compatible With Most TTL Circuits
SN55188 . . . J OR W PACKAGE
MC1488, SN75188 . . . D OR N PACKAGE
(TOP VIEW)
VCC –
1A
1Y
2A
2B
2Y
GND
1
13
3
VCC +
4B
4A
4Y
3B
3A
3Y
14
2
12
4
11
5
10
6
9
7
8
SN55188 . . . FK PACKAGE
description
FUNCTION TABLE
(drivers 2–4)
A
B
H
H
X
L
3 2 1 20 19
18
5
17
6
16
7
15
8
14
9 10 11 12 13
4A
NC
4Y
NC
3B
NC – No internal connection
H
X
4
L
L
1Y
NC
2A
NC
2B
2Y
GND
NC
3Y
3A
The SN55188 is characterized for operation over
the full military temperature range of – 55°C to
125°C. The MC1488 and SN75188 are
characterized for operation from 0°C to 70°C.
1A
VCC –
NC
V CC+
4B
(TOP VIEW)
The MC1488, SN55188, and SN75188 are
monolithic quadruple line drivers designed to
interface data terminal equipment with data
communications equipment in conformance with
ANSI EIA/TIA-232-E using a diode in series with
each supply-voltage terminal as shown under
typical applications.
H
Y
H = high level, L = low level,
X = irrelevant
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright © 1995, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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1