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SN75173 Datasheet

Quad EIA-485 Line Receivers

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Quad EIA-485 Line Receivers
The Motorola SN75173/175 are monolithic quad differential line receivers
with three–state outputs. They are designed specifically to meet the
requirements of EIA–485, EIA–422A/23A Standards and CCITT
recommendations.
The devices are optimized for balanced multipoint bus transmission at
rates up to 10 megabits per second. They also feature high input impedance,
input hysteresis for increased noise immunity, and input sensitivity of
± 200 mV over a common mode input voltage range of – 12 V to 12 V. The
SN75173/175 are designed for optimum performance when used with the
SN75172 or SN75174 quad differential line drivers.
Meets EIA Standards EIA–422A and EIA–423A, EIA–485
Meets CCITT Recommendations V.10, V.11, X.26, and X.27
Designed for Multipoint Transmission on Long Bus Lines in Noisy
Environments
3–State Outputs
Common–Mode Input Voltage Range . . . –12 V to 12 V
Input Sensitivity . . . ± 200 mV
Input Hysteresis . . . 50 mV Typ
High Input Impedance . . . 1 EIA–485 Unit Load
Operates from Single 5.0 V Supply
Lower Power Requirements
Plug–In Replacement for MC3486 (SN75175)
AM26LS32 (SN75173)
Order this document by SN75173/D
SN75173
SN75175
QUAD EIA–485
LINE RECEIVERS WITH
THREE–STATE OUTPUTS
SEMICONDUCTOR
TECHNICAL DATA
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
N SUFFIX
PLASTIC PACKAGE
CASE 648
SN75173
PIN CONNECTIONS
SN75175
Inputs
A
1–
2+
Output
A
3–State
Control
Output
C
3
4
5
Inputs
C
6+
7–
Gnd 8
16 VCC
15
+ 14
Inputs
B
13
12
11
+ 10
–9
Output
B
3–State
Control
Output
D
Inputs
D
Inputs 1 –
A 2+
Output
A
3–State
Control
A/C
Output
C
3
4
5
Inputs
C
6+
7–
Gnd 8
16 VCC
15
+ 14
Inputs
B
13
12
11
+ 10
–9
Output
B
3–State
Control
B/D
Output
D
Inputs
D
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
SN75173N TA = 0 to +70°C
Plastic DIP
MOTOROLA ANALOG IC DEVICE DATA
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
SN75175N
SN75175D
TA = 0 to +70°C
Plastic DIP
SO–16
© Motorola, Inc. 1995
1


Motorola Electronic Components Datasheet

SN75173 Datasheet

Quad EIA-485 Line Receivers

No Preview Available !

SN75173 SN75175
MAXIMUM RATINGS
Rating
Power Supply Voltage
Input Common Mode Voltage
Input Differential Voltage
Three–State Control Input Voltage
Output Sink Current
Storage Temperature
Operating Junction Temperature
Symbol
VCC
VICM
VID
VI
IO
Tstg
TJ
Value
7.0
± 25
± 25
7.0
50
– 65 to + 150
+ 150
Unit
Vdc
Vdc
Vdc
Vdc
mA
°C
°C
RECOMMENDED OPERATING CONDITIONS
Rating
Power Supply Voltage
Operating Ambient Temperature
Input Common Mode Voltage Range
Input Differential Voltage Range
Symbol
VCC
TA
VICM
VIDR
Value
4.75 to 5.25
0 to +70
– 12 to + 12
– 12 to + 12
Unit
Vdc
°C
Vdc
Vdc
ELECTRICAL CHARACTERISTICS (Unless otherwise noted, minimum and maximum limits apply over recommended temperature and
power supply voltage ranges. Typical values are for TA = 25°C, VCC = 5.0 V, and VICM = 0 V, Note 1).
Characteristic
Symbol
Min
Typ
Max Unit
Differential Input Threshold Voltage (Note 2)
p p(–12 V VICM 12 V, VIH = 2.0 V)
q(IO = – 0.4 mA, VOH 2.7 V)
p(IO = 16 mA, VOL 0.5 V)
Input Hysteresis
Input Line Current (Differential Inputs)
(Unmeasured Input at 0 V, Note 3)
(VI = 12 V)
(VI = – 7.0 V)
Input Resistance (Note 4)
VTH(D)
VT+ – VT–
II
ri
1 Unit
Load
50
0.2
– 0.2
1.0
– 0.8
V
mV
mA
p pInput Balance and Output Level (Note 3)
(– 12 V VICM 12 V, VIH = 2.0 V)
(IO = – 0.4 mA, VID = 0.2 V)
(IO = 8.0 mA, VID = – 0.2 V)
(IO = 16 mA, VID = – 0.2 V)
Input Voltage – High Logic State (Three–State Control)
Input Voltage – Low Logic State (Three–State Control)
Input Current – High Logic State (Three–State Control)
(VIH = 2.7 V)
(VIH = 5.5 V)
Input Current – Low Logic State (Three–State Control)
(VIL = 0.4 V)
Input Clamp Diode Voltage (Three–State Control)
(IIK = – 18 mA)
Output Third State Leakage Current
(VI(D) = 3.0 V, VIL = 0.8 V, VO = 0.4 V)
(VI(D) = – 3.0 V, VIL = 0.8 V, VO = 2.4 V)
Output Short–Circuit Current (Note 5)
(VI(D) = 3.0 V, VIH = 2.0 V, VO = 0 V)
Power Supply Current (VIL = 0 V) (All Inputs Grounded)
VOH
VOL
VOL
VIH
VIL
IIH
IIL
VIK
IOZ
IOS
ICC
2.7
2.0
– 15
V
––
– 0.45
– 0.5
––V
– 0.8 V
µA
– 20
– 100
– 100
µA
– – 1.5 V
µA
– – 20
– 20
– – 85 mA
– 70 mA
NOTES: 1. All currents into device pins are shown as positive, out of device pins are negative. All voltages referenced to ground unless otherwise noted.
2. Differential input threshold voltage and guaranteed output levels are done simultaneously for worst case.
3. Refer to EIA–485 for exact conditions. Input balance and guaranteed output levels are done simultaneously for worst case.
4. Input resistance should be derived from input line current specifications and is shown for reference only. See EIA–485 and input line current
specifications for more specific input resistance information.
5. Only one output at a time should be shorted.
2 MOTOROLA ANALOG IC DEVICE DATA


Part Number SN75173
Description Quad EIA-485 Line Receivers
Maker Motorola
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SN75173 Datasheet PDF






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