MC1488, SN55188, SN75188
QUADRUPLE LINE DRIVERS
SLLS094B – SEPTEMBER 1983 – REVISED MA Y 1995
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D
Meet or Exceed the Requirements of ANSI
EIA/TIA-232-E and ITU Recommendation
V.28
D
Designed to Be Interchangeable With
Motorola MC1488
D
Current-Limited Output: 10 mA Typical
D
Power-Off Output Impedance: 300 Ω
Minimum
D
Slew Rate Control by Load Capacitor
D
Flexible Supply Voltage Range
D
Input Compatible With Most TTL Circuits
description
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.
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.
FUNCTION TABLE
(drivers 2–4)
A
B
Y
H H L
L XH
XLH
H = high level, L = low level,
X = irrelevant
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.
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.
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC–
1A
1Y
2A
2B
2Y
GND
V
CC +
4B
4A
4Y
3B
3A
3Y
SN55188 ...J OR W PACKAGE
MC1488, SN75188 ...D OR N PACKAGE
(TOP VIEW)
3 2 1 20 19
910111213
4
5
6
7
8
18
17
16
15
14
4A
NC
4Y
NC
3B
1Y
NC
2A
NC
2B
SN55188 . . . FK PACKAGE
(TOP VIEW)
1A
NC
3Y
3A
4B
2Y
GND
NC
NC – No internal connection
CC+
V
CC –
V
MC1488, SN55188, SN75188
QUADRUPLE LINE DRIVERS
SLLS094B – SEPTEMBER 1983 – REVISED MA Y 1995
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
logic symbol
†
4Y
3Y
2Y
1Y
13
12
10
9
5
4
2
11
8
6
3
4B
4A
3B
3A
2B
2A
1A
†
This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
Pin numbers shown are for the D and N packages.
&
logic diagram (positive logic)
9
5
4
2
10
12
13
4Y
3Y
2Y
1Y1A
2A
2B
3A
3B
4A
4B
11
8
6
3
Positive logic
Y = A
(driver 1)
Y = AB
or A + B (drivers 2 thru 4)
schematic (each driver)
Output
300 Ω
70 Ω3.7 kΩ
10 kΩ
To Other Drivers
V
CC–
Drivers
Other
To
GND
3.6 kΩ
Input(s)
B
A
V
CC+
70 Ω
6.2 kΩ8.2 kΩ
Drivers
To Other
Resistor values shown are nominal.
MC1488, SN55188, SN75188
QUADRUPLE LINE DRIVERS
SLLS094B – SEPTEMBER 1983 – REVISED MA Y 1995
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
†
Supply voltage, V
CC+
at (or below) 25°C free-air temperature (see Notes 1 and 2) 15 V. . . . . . . . . . . . . . . . .
Supply voltage, V
CC–
at (or below) 25°C free-air temperature (see Notes 1 and 2) –15 V. . . . . . . . . . . . . . . .
Input voltage, V
I
–15 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage, V
O
–15 V to 15 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total power dissipation (see Note 2) See Dissipation Rating Table. . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
: SN55188 –55°C to 125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MC1488, SN75188 0°C to 70°C. . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
–65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Case temperature for 60 seconds, FK package 260°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: D or N package 260°C. . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: J or W package 300°C. . . . . . . . . . . . . . . .
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. All voltage values are with respect to the network ground terminal.
2. For operation above 25°C free-air temperature, refer to the maximum supply voltage curve, Figure 6. In the FK and J packages,
SN55188 chips are alloy mounted.
DISSIPATION RATING TABLE
TA ≤ 25°C DERATING FACTOR TA = 70°C TA = 125°C
PACKAGE
A
POWER RATING ABOVE TA = 25°C
A
POWER RATING
A
POWER RATING
D 950 mW 7.6 mW/°C 608 mW –
FK 1375 mW 11.0 mW/°C 880 mW 275 mW
J 1375 mW 11.0 mW/°C 880 mW 275 mW
N 1150 mW 9.2 mW/°C 736 mW –
W 1000 mW 8.0 mW/°C 640 mW 200 mW
recommended operating conditions
SN55188 MC1488, SN75188
MIN NOM MAX MIN NOM MAX
UNIT
Supply voltage, V
CC+
7.5 9 15 7.5 9 15 V
Supply voltage, V
CC–
–7.5 –9 –15 –7.5 –9 –15 V
High-level input voltage, V
IH
1.9 1.9 V
Low-level input voltage, V
IL
0.8 0.8 V
Operating free-air temperature, T
A
–55 125 0 70 °C
MC1488, SN55188, SN75188
QUADRUPLE LINE DRIVERS
SLLS094B – SEPTEMBER 1983 – REVISED MA Y 1995
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over operating free-air temperature range, V
CC±
= ±9 V (unless otherwise
noted)
SN55188 MC1488, SN75188
PARAMETER
TEST CONDITIONS
MIN TYP†MAX MIN TYP†MAX
UNIT
V
CC+
= 9 V,
p
VIL = 0.8 V,
CC+
V
CC–
= –9 V
676
7
VOHHigh-level output voltage
IL
RL = 3 kΩ
V
CC+
= 13.2 V ,
V
CC+
V
CC–
= –13.2 V
9
10.5910.5
V
CC+
= 9 V,
p
VIH = 1.9 V,
CC+
V
CC–
= –9 V
–
7
‡
–
6–7–6
VOLLow-level output voltage
IH
RL = 3 kΩ
V
CC+
= 13.2 V ,
V
CC+
V
CC–
= –13.2 V
–10.
5
‡
–
9–10.5–9
I
IH
High-level input current VI = 5 V 10 10 µA
I
IL
Low-level input current VI = 0 –1 –1.6 –1 –1.6 mA
Short-circuit output
I
OS(H)
current at high level
§
V
I
= 0.8 V,
V
O
=
0–4.6–9–13.5–6–9–12
mA
Short-circuit output
I
OS(L)
current at low level
§
V
I
= 1.9 V,
V
O
=
0
4.6913.56912mA
Output resistance, V
CC+
= 0, V
CC–
= 0,
r
o
power off
CC+
VO = –2 V to 2 V
CC
300
300
Ω
V
CC+
= 9 V,
All inputs at 1.9 V 15 20 15 20
CC+
No load
All inputs at 0.8 V 4.5 6 4.5 6
Supply current from V
CC+
= 12 V,
All inputs at 1.9 V 19 25 19 25
I
CC+
y
V
CC+
CC+
No load
All inputs at 0.8 V 5.5 7 5.5 7
mA
V
CC+
= 15 V,
All inputs at 1.9 V 34 34
CC+
No load, TA = 25°C
All inputs at 0.8 V 12 12
V
CC–
= –9 V,
All inputs at 1.9 V –13 –17 –13 –17
CC
No load
All inputs at 0.8 V –0.5 –0.015
pp
V
CC–
= –12 V,
All inputs at 1.9 V –18 –23 –18 –23
I
CC–
Supply current from I
CC–
CC
No load
All inputs at 0.8 V –0.5 –0.015
mA
V
CC–
= –15 V,
All inputs at 1.9 V –34 –34
CC
No load, TA = 25°C
All inputs at 0.8 V –2.5 –2.5
V
CC+
= 9 V, V
CC–
= –9 V,
p
p
CC+
No load
CC
333
333
PDTotal ower dissi ation
V
CC+
= 12 V,
No load
V
CC–
= –12 V,
576 576
mW
†
All typical values are at TA = 25°C.
‡
The algebraic convention, in which the less positive (more negative) limit is designated as minimum, is used in this data sheet for logic voltage
levels only, e.g., if –6 V is a maximum, the typical value is a more negative voltage.
§
Not more than one output should be shorted at a time.
MC1488, SN55188, SN75188
QUADRUPLE LINE DRIVERS
SLLS094B – SEPTEMBER 1983 – REVISED MA Y 1995
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics, V
CC±
= ±9 V, TA = 25°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
PLH
Propagation delay time, low- to high-level output 220 350 ns
t
PHL
Propagation delay time, high- to low-level output
R
= 3 kΩ, C
= 15 pF,
100 175 ns
t
TLH
Transition time, low- to high-level output
†
L
,
L
,
See Figure 1
55 100 ns
t
THL
Transition time, high- to low-level output
†
45 75 ns
t
TLH
Transition time, low- to high-level output
‡
RL = 3 kΩ to 7 kΩ, CL = 2500 pF,
2.5 µs
t
THL
Transition time, high- to low-level output
‡
L L
See Figure 1
3.0 µs
†
Measured between 10% and 90% points of output waveform.
‡
Measured between 3 V and –3 V points on the output waveform (EIA/TIA-232-E conditions).
PARAMETER MEASUREMENT INFORMATION
10%
50%
90%
Output
10%
50%
90%
1.5 V
Input
t
PHL
t
PLH
1.5 V
3 V
0 V
V
OH
V
OL
t
TLH
t
THL
VOLTAGE WAVEFORMSTEST CIRCUIT
Output
(see Note B)
C
L
R
L
Input
Pulse
Generator
(see Note A)
NOTES: A. The pulse generator has the following characteristics: tw = 0.5 µs, PRR ≤ 1 MHz, ZO = 50 Ω.
B. CL includes probe and jig capacitance.
Figure 1. Test Circuit and Voltage Waveforms
MC1488, SN55188, SN75188
QUADRUPLE LINE DRIVERS
SLLS094B – SEPTEMBER 1983 – REVISED MA Y 1995
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
†
Figure 2
VO – Output Voltage – V
VOLTAGE TRANSFER CHARACTERISTICS
V
CC+
= 6 V, V
CC–
= –6 V
9
6
3
0
–3
–6
–9
1.81.61.41.210.80.60.40.2
–12
2
12
0
V
CC+
= 12 V, V
CC–
= –12 V
V
CC+
= 9 V, V
CC–
= –9 V
ÎÎÎ
RL = 3 kΩ
TA = 25°C
V
O
VI – Input Voltage – V
Figure 3
IO – Output Current – mA
OUPUT CURRENT
vs
OUTPUT VOLTAGE
Load Line
VOH(VI = 0.8 V)
V
CC–
= –9 V
16
12
8
4
0
–4
–8
–12
–16
12840–4–8–12
–20
16
20
VO – Output Voltage – V
–16
VOL(VI = 1.9 V)
3-kΩ
V
CC+
= 9 V
TA = 25°C
I
O
Figure 4
IOS – Short-Circuit Output Current – mA
SHORT-CIRCUT OUTPUT CURRENT
vs
FREE-AIR TEMPERATURE
I
OS(L)
(VI = 1.9 V)
VO = 0
V
CC–
= –9 V
1251007550250–25–50–75
9
6
3
0
–3
–6
–9
–12
150
12
TA – Free-Air Temperature – °C
–100
V
CC+
= 9 V
I
OS
I
OS(H)
(VI = 0.8 V)
Figure 5
ÁÁÁÁ
ÁÁÁÁ
ÁÁÁÁ
SR – Slew Rate – V/
SLEW RATE
vs
LOAD CAPACITANCE
TA = 25°C
RL = ∞
V
CC–
= –9 V
V
CC+
= 9 V
100
10
1000100
1
10000
1000
CL – Load Capacitance – pF
10
µs
†
Data for temperatures below 0°C and above 70°C are applicable to SN55188 circuit only.
MC1488, SN55188, SN75188
QUADRUPLE LINE DRIVERS
SLLS094B – SEPTEMBER 1983 – REVISED MA Y 1995
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
THERMAL INFORMATION
†
– Maximum Supply Voltage – V
MAXIMUM SUPPLY VOLTAGE
vs
FREE-AIR TEMPERATURE
RL ≥ 3 kΩ (from each output to GND)
14
12
10
8
6
4
2
1007550250–25–50
0
125
16
TA – Free-Air Temperature – °C
–75
CC
V
Figure 6
†
Data for temperatures below 0°C and above 70°C are applicable to SN55188 circuit only.
APPLICATION INFORMATION
Diodes placed in series with the V
CC+
and V
CC –
leads will
protect the SN55188/SN75188 in the fault condition in which
the device outputs are shorted to ±15 V and the power supplies
are at low voltage and provide low-impedance paths to ground.
V
CC+
V
CC–
±15 V
Output
V
CC+
V
CC–
’188’188
10 kΩ
1 kΩ
–10 V to 0 V
Output to MOS
or SN75188
1/4 SN55188
–0.7 V to 10 V
Output to HNIL
1/4 SN55188
or SN75188
–0.7 V to 5.7 V
Output to DTL
5 V
1/4 SN55188
or SN75188
or SN75188
1/4 SN55188
–0.7 V to 3.7 V
Output to RTL
3 V
–12 V
V
CC+
= 12 V
V
CC–
= –12 V
Input From
TTL or DTL
Figure 7. Logic Translator Applications
Figure 8. Power Supply Protection to Meet
Power-Off Fault Conditions of
ANSI EIA/TIA-232-E
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