DS26LV31TM National Semiconductor, DS26LV31TM Datasheet

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DS26LV31TM

Manufacturer Part Number
DS26LV31TM
Description
IC, RS-422 LINE DRIVER, 3.6V, SOIC-16
Manufacturer
National Semiconductor
Datasheet

Specifications of DS26LV31TM

Device Type
Line
Ic Interface Type
RS422
No. Of Drivers
4
Supply Voltage Range
3V To 3.6V
Driver Case Style
SOIC
No. Of Pins
16
Operating Temperature Range
-40°C To +85°C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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0
© 2004 National Semiconductor Corporation
DS26LV31T
3V Enhanced CMOS Quad Differential Line Driver
General Description
The DS26LV31T is a high-speed quad differential CMOS
driver that meets the requirements of both TIA/EIA-422-B
and ITU-T V.11. The CMOS DS26LV31T features low static
I
and power conscious applications.
Differential outputs have the same V
the 5V version.
The EN and EN* inputs allow active Low or active High
control of the TRI-STATE
mon to all four drivers. Protection diodes protect all the driver
inputs against electrostatic discharge. Outputs have en-
hanced ESD protection providing greater than 7 kV toler-
ance. The driver and enable inputs (DI, EN, EN*) are com-
patible with low voltage LVTTL and LVCMOS devices.
Features
n Industrial product meets TIA/EIA-422-B (RS-422) and
n Military product conforms to TIA/EIA-422-B (RS-422)
Connection Diagram
CC
TRI-STATE
ITU-T V.11 recommendation
of 100 µA MAX which makes it ideal for battery powered
Order Number DS26LV31TM or DS26LV31W
See NS Package Number M16A or W16A
®
is a registered trademark of National Semiconductor Corporation.
Dual-In-Line Package
Top View
®
outputs. The enables are com-
OD
DS012642
guarantee (≥2V) as
01264201
n Interoperable with existing 5V RS-422 networks
n Industrial and Military temperature range
n Guaranteed V
n Balanced output crossover for low EMI (typical within
n Low power design (330 µW
n ESD ≥ 7 kV on cable I/O pins (HBM)
n Guaranteed AC parameter:
n Pin compatible with DS26C31
n Available in SOIC and Cerpack packaging
n Standard Microcircuit Drawing (SMD) 5962-98584
Truth Table
L = Low logic state
X = Irrelevant
H = High logic state
Z = TRI-STATE
40 mV of 50% voltage level)
— Maximum driver skew: 2 ns
— Maximum transition time: 10 ns
EN
combinations of
L
enable inputs
Enables
All other
OD
of 2V min over operating conditions
EN*
H
@
Input
3.3V static)
DI
H
X
L
DO+
Z
H
L
Outputs
www.national.com
March 1999
DO−
H
Z
L

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DS26LV31TM Summary of contents

Page 1

... Industrial product meets TIA/EIA-422-B (RS-422) and ITU-T V.11 recommendation n Military product conforms to TIA/EIA-422-B (RS-422) Connection Diagram Dual-In-Line Package Top View Order Number DS26LV31TM or DS26LV31W See NS Package Number M16A or W16A TRI-STATE ® registered trademark of National Semiconductor Corporation. © 2004 National Semiconductor Corporation ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( Enable Input Voltage (EN, EN*) Driver Input Voltage (DI) Clamp Diode Current DC Output Current, per pin Driver Output Voltage (Power Off: DO+, DO−) ...

Page 3

Switching Characteristics - Industrial Over supply voltage and -40˚C to +85˚C operating temperature range, unless otherwise specified Sym Parameter t Differential Propagation Delay PHLD High to Low t Differential Propagation Delay PLHD Low to High t Differential Skew (same SKD ...

Page 4

Parameter Measurement Information FIGURE 2. Differential Driver Propagation Delay and Transition Time Test Circuit FIGURE 3. Differential Driver Propagation Delay and Transition Time Waveforms Note 11: Generator waveform for all tests unless otherwise specified MHz, Duty Cycle ...

Page 5

Parameter Measurement Information the input, then EN* = High If EN* is the input, then EN = Low FIGURE 4. Driver Single-Ended TRI-STATE Test Circuit FIGURE 5. Driver Single-Ended TRI-STATE Waveforms (Continued) 01264205 01264206 5 www.national.com ...

Page 6

Typical Application Information General application guidelines and hints for differential driv- ers and receivers may be found in the following application notes: AN-214, AN-457, AN-805, AN-847, AN-903, AN-912, AN- 916 optional although highly recommended to reduce reflection. T ...

Page 7

... Physical Dimensions inches (millimeters) unless otherwise noted 16-Lead Molded Small Outline Package (M) Order Number DS26LV31TM NS Package Number M16A 7 www.national.com ...

Page 8

... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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