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PDF DS26F31MQML Data sheet ( Hoja de datos )
| Número de pieza | DS26F31MQML | |
| Descripción | Quad High Speed Differential Line Drivers | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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March 2006
DS26F31MQML
Quad High Speed Differential Line Drivers
General Description
The DS26F31M is a quad differential line driver designed for
digital data transmission over balanced lines. The
DS26F31M meets all the requirements of EIA Standard RS-
422 and Federal Standard 1020. It is designed to provide
unipolar differential drive to twisted-pair or parallel-wire
transmission lines.
The DS26F31M offers improved performance due to the use
of state-of-the-art L-FAST bipolar technology. The L-FAST
technology allows for higher speeds and lower currents by
utilizing extremely short gate delay times. Thus, the
DS26F31M features lower power, extended temperature
range, and improved specifications.
The circuit provides an enable and disable function common
to all four drivers. The DS26F31M features TRI-STATE®
outputs and logical OR-ed complementary enable inputs.
The inputs are all LS compatible and are all one unit load.
The DS26F31M offers optimum performance when used
with the DS26F32 Quad Differential Line Receiver.
Features
n Operation from single +5.0V supply
n Outputs won’t load line when VCC = 0V
n Output short circuit protection
n Meets the requirements of EIA standard RS-422
n High output drive capability for 100Ω terminated
transmission lines
Ordering Information
NS Part Number
DS26F31ME/883
DS26F31MJ/883
DS26F31MW/883
DS26F31MWG/883
DS26F31MJ-QMLV
DS26F31MJFQMLV
DS26F31MW-QMLV
DS26F31MWFQMLV
DS26F31MWGFQMLV
SMD Part Number
5962–7802302M2A
5962–7802302MEA
5962–7802302MFA
5962–7802302MZA
5962–7802302VEA
5962F7802302VEA
300k rd(Si)
5962–7802302VFA
5962F7802302VFA
300k rd(Si)
5962F7802302VZA
300k rd(Si)
NS Package Number
E20A
J16A
W16A
WG16A
J16A
J16A
W16A
W16A
WG16A
Package Description
20LD Leadless Chip Carrier
16LD Ceramic DIP
16LD Ceramic FlatPack
16LD Ceramic SOIC
16LD Ceramic DIP
16LD Ceramic DIP
16LD Ceramic FlatPack
16LD Ceramic FlatPack
16LD Ceramic SOIC
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 2006 National Semiconductor Corporation DS201632
www.DataSheet.in
www.national.com
1 page  
DS26F31M Electrical Characteristics (Continued)
AC Parameters - Propagation Delay Time (Continued)
The following conditions apply, unless otherwise specified.
AC: VCC = 5V, CL = 50pF or equivalent impedance provided by diode load
Symbol
Parameter
Conditions
Notes
tZH Enable Time
Skew
Output to Output
CL = 30 pF
CL = 30pF
(Note 5)
(Note 5)
(Note 6)
(Note 6)
(Note 5)
(Note 5)
(Note 6)
(Note 6)
Min Max
32
52
30
50
6.0
9.0
4.5
7.0
Units
nS
nS
nS
nS
nS
nS
nS
nS
Sub-
groups
9
10, 11
9
10, 11
9
10, 11
9
10, 11
DC Drift Parameters
This section applies to -QMLV devices only and shall be read & recorded at TA = +25˚C before and after each burn-in & Sub-
group B5, and shall not change by more than the limits indicated. The delta rejects shall be included in the PDA calculations.
Symbol
Parameter
Conditions
Notes Min Max Units
Sub-
groups
VOH
VOL
ICC En
Logical "1" Output Voltage
Logical "0" Output Voltage
Power Supply Current
VCC = 4.5V, IOH = -20mA,
VIL = 0.8V, VIH = 2V.
VCC = 4.5V, IOL = 20mA,
VIL = 0.8V, VIH = 2V.
VCC = 5.5V, VI = 0.8V or 2V,
VEn = 2V, VEn = 0.8V.
-250 250
-50 50
-8.0 8.0
mV
mV
mA
1
1
1
ICC Dis
Power Supply Current
VCC = 5.5V, VI = 0.8V or 2V,
VEn = 0.8V, VEn = 2V.
-8.0 8.0
mA
1
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed
specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test
conditions.
Note 2: All currents into the device pins are positive; all currents out of the device pins are negative. All voltages are referenced to ground unless otherwise
specified.
Note 3: Power dissipation must be externally controlled at elevated temperatures.
Note 4: Parameter tested go-no-go only.
Note 5: Tested at 50pF, system capacitance exceed 10 and 30pF.
Note 6: Testing at 50pF guarantees limits at 10 and 30pF.
Note 7: The minimum limits apply to device Class Q & V. The limits specified for the INPUT LOW CURRENT represents the numerical range in which this parameter
will pass.
Note 8: Pre and post irradiation limits are identical to those listed under AC and DC electrical characteristics, except as listed in the Post Radiation Limits Table —
if applicable. Radiation end point limits for the noted parameters are guaranteed only for the conditions, as specified.
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5 Page 
Notes
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves
the right at any time without notice to change said circuitry and specifications.
For the most current product information visit us at www.national.com.
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS
WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body, or
(b) support or sustain life, and whose failure to perform when
properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to result
in a significant injury to the user.
2. A critical component is any component of a life support
device or system whose failure to perform can be reasonably
expected to cause the failure of the life support device or
system, or to affect its safety or effectiveness.
BANNED SUBSTANCE COMPLIANCE
National Semiconductor manufactures products and uses packing materials that 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.
Leadfree products are RoHS compliant.
National Semiconductor
Americas Customer
Support Center
Email: [email protected]
Tel: 1-800-272-9959
www.national.com
National Semiconductor
Europe Customer Support Center
Fax: +49 (0) 180-530 85 86
Email: [email protected]
Deutsch Tel: +49 (0) 69 9508 6208
English Tel: +44 (0) 870 24 0 2171
Français Tel: +33 (0) 1 41 91 8790
National Semiconductor
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Support Center
Email: [email protected]
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Fax: 81-3-5639-7507
Email: [email protected]
Tel: 81-3-5639-7560
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| PDF Descargar | [ Datasheet DS26F31MQML.PDF ] | |
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