ꢀꢁꢂ ꢃ ꢄ ꢅ ꢃ ꢆ ꢀ ꢁꢅ ꢃꢄ ꢅꢃ
ꢇ ꢈꢉꢊꢋ ꢈꢌꢍ ꢎ ꢊꢏ ꢐꢐ ꢎꢋ ꢎꢁꢑ ꢏꢉ ꢍ ꢍ ꢏꢁꢎ ꢋꢎ ꢒꢎ ꢏ ꢓꢎ ꢋ ꢀ
SLLS145C − OCTOBER 1990 − REVISED NOVEMBER 2006
D OR N PACKAGE
(TOP VIEW)
D
Meet or Exceed the Requirements of ANSI
Standard EIA/TIA-422-B, RS-423-B, and
RS-485
1
2
3
4
5
6
7
8
16
V
CC
1B
1A
D
D
Meet ITU Recommendations V.10, V.11,
X.26, and X.27
15 4B
14
13
12
11
10
9
4A
1Y
Designed for Multipoint Bus Transmission
on Long Bus Lines in Noisy Environments
4Y
1,2EN
2Y
3,4EN
3Y
D
3-State Outputs
2A
D
Common-Mode Input Voltage Range
−12 V to 12 V
3A
2B
3B
GND
D
D
D
D
D
D
Input Sensitivity . . . 200 mV
Input Hysteresis . . . 50 mV Typ
High Input Impedance . . . 12 kΩ Min
Operate From Single 5-V Supply
Low-Power Requirements
Plug-In Replacement for MC3486
description
The SN65175 and SN75175 are monolithic quadruple differential line receivers with 3-state outputs. They are
designed to meet the requirements of ANSI Standards EIA/TIA-422-B, RS-423-B, and RS-485, and several ITU
recommendations. These standards are for balanced multipoint bus transmission at rates up to 10 megabits
per second. Each of the two pairs of receivers has a common active-high enable.
The receivers 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. The SN65175 and SN75175 are designed for
optimum performance when used with the SN75172 or SN75174 quadruple differential line drivers.
The SN65175 is characterized for operation from −40°C to 85°C. The SN75175 is characterized for operation
from 0°C to 70°C.
FUNCTION TABLE
(each receiver)
DIFFERENTIAL
A − B
OUTPUT
Y
ENABLE
V
≥ 0.2 V
H
H
H
L
H
?
L
Z
?
ID
−0.2 V < V < 0.2 V
ID
V
ID
≤ −0.2 V
X
Open circuit
H
H = high level, L = low level, ? = indeterminate,
X = irrelevant, Z = high impedance (off)
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 2006, Texas Instruments Incorporated
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