ꢀ ꢁꢂ ꢃ ꢄ ꢄ ꢅ ꢆꢇ ꢈꢈ ꢂ ꢄ ꢄ ꢅ ꢆ ꢇꢉ ꢈꢂ ꢄꢄ
ꢊ ꢋꢌꢍꢎ ꢋꢏꢐ ꢑ ꢐ ꢒꢇꢑ ꢍ ꢎꢒ ꢓ ꢑꢎ ꢆ
SLLS094C − SEPTEMBER 1983 − REVISED MAY 2004
SN55188 . . . J OR W PACKAGE
SN75188 . . . D, N, OR NS PACKAGE
MC1488 . . . N PACKAGE
(TOP VIEW)
D
Meet or Exceed the Requirements of ANSI
TIA/EIA-232-E and ITU Recommendation
V.28
D
D
D
D
D
Current-Limited Output: 10 mA Typical
V
V
CC +
4B
1
2
3
4
5
6
7
14
13
12
Power-Off Output Impedance: 300 Ω
Minimum
CC−
1A
1Y
2A
2B
2Y
4A
Slew Rate Control by Load Capacitor
Flexible Supply-Voltage Range
11 4Y
10 3B
Input Compatible With Most TTL Circuits
9
8
3A
3Y
GND
description/ordering information
The MC1488, SN55188, and SN75188 are
monolithic quadruple line drivers designed to
interface data terminal equipment with data
communications equipment in conformance with
ANSI TIA/EIA-232-E, using a diode in series with
each supply-voltage terminal as shown under
typical applications.
SN55188 . . . FK PACKAGE
(TOP VIEW)
3
2
1 20 19
18
1Y
NC
2A
4A
17 NC
4
5
6
7
8
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.
16
15
14
4Y
NC
3B
NC
2B
9 10 11 12 13
NC − No internal connection
ORDERING INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
PACKAGE
T
A
Tube of 25
MC1488N
MC1488N
PDIP (N)
Tube of 25
Tube of 50
Reel of 2500
Reel of 2000
SN75188N
SN75188N
SN75188D
0°C to 70°C
SOIC (D)
SOP (NS)
SN75188
SN75188DR
SN75188NSR
SN55188J
SN75188
SN55188J
SNJ55188J
SNJ55188W
SNJ55188FK
CDIP (J)
Tube of 25
SNJ55188J
SNJ55188W
SNJ55188FK
−55°C to 125°C
CFP (W)
Tube of 150
Tube of 55
LCCC (FK)
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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.
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Copyright 2004, Texas Instruments Incorporated
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