SN55ALS195, SN75ALS195
QUADRUPLE DIFFERENTIAL LINE RECEIVERS
SLLS010D – JUNE 1986 – REVISED MAY 1995
SN55ALS195 . . . J OR W PACKAGE
SN75ALS195 . . . J OR N PACKAGE
(TOP VIEW)
Meet or Exceed the Requirements of ANSI
Standards EIA/TIA-422-B and EIA/TIA-423-A
†
Meet ITU Recommendations V.10 and V.11
Designed to Operate Up to 20 Mbaud
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1B
1A
V
CC
4B
–7 V to 7 V Common-Mode Input Voltage
Range With 200-mV Sensitivity
1Y
4A
1,2EN
2Y
4Y
3-State TTL-Compatible Outputs
High Input Impedance . . . 12 kΩ Min
Input Hysteresis . . . 120 mV Typ
Single 5-V Supply Operation
3,4EN
3Y
2A
2B
3A
GND
3B
Low Supply Current Requirement
35 mA Max
SN55ALS195 . . . FK PACKAGE
(TOP VIEW)
Improved Speed and Power Consumption
Compared to MC3486
description
3
2
1
20 19
18
1Y
1, 2EN
NC
4
5
6
7
8
The SN55ALS195 and SN75ALS195 are four
differential line receivers with 3-state outputs
designed using advanced low-power Schottky
technology. This technology provides combined
improvements in die design, tooling production,
and wafer fabrication, which in turn, provide lower
power consumption and permit much higher data
throughput than other designs. The devices meet
the specifications of ANSI Standards EIA/
TIA-422-B and EIA/TIA-423-A and ITU Recom-
mendations V.10 and V.11. The 3-state outputs
permit direct connection to a bus-organized
system with a fail-safe design that ensures the
outputs will always be high if the inputs are open.
4A
4Y
NC
17
16
15
14
2Y
3, 4EN
3Y
2A
9 10 11 12 13
NC – No internal connection
For surface-mount package, see the SN75ALS199.
†
The devices are optimized for balanced multipoint bus transmission at rates up to 20 megabits per second. The
input features high input impedance, input hysteresis for increased noise immunity, and an input sensitivity of
±200 mV over a common-mode input voltage range of ±7 V. The devices also feature an active-high enable
function for each of two receiver pairs. The SN55ALS195 and SN75ALS195 are designed for optimum
performance when used with the SN55ALS194 and SN75ALS194 quadruple differential line drivers.
The SN55ALS195 is characterized for operation over the full military temperature range of –55°C to 125°C. The
SN75ALS195 is characterized for operation from 0°C to 70°C.
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.
1
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