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DS36276MNS ?N/a289avaiFailSafe Multipoint Transceiver
DS36276MXNSN/a8avaiFailSafe Multipoint Transceiver


DS36276M ,FailSafe Multipoint TransceiverElectrical Characteristics (Notes 2, 4)Over recommended Supply Voltage and Operating Temperature ra ..
DS36276MX ,FailSafe Multipoint TransceiverLogic DiagramDriverInputs OutputsRE DE DI DO/RI DO /RIXH H H LXH L L HXLX Z ZDS011383-1 ReceiverOrd ..
DS36277 ,Dominant Mode Multipoint TransceiverElectrical CharacteristicsOver recommended Supply Voltage and Operating Temperature ranges, unless ..
DS36277TM ,Dominant Mode Multipoint TransceiverLogic Diagram Truth TablesDriverInputs OutputsDE DI DO/RI DO /RILL L HLH H LHX Z Z01138401Order Num ..
DS36277TMX ,Dominant Mode Multipoint TransceiverFeaturesn FAILSAFE receiver, RO = HIGH for:The DS36277 Dominant Mode Multipoint Transceiver is de-— ..
DS36277TN ,Dominant Mode Multipoint TransceiverDS36277 Dominant Mode Multipoint TransceiverFebruary 2002DS36277Dominant Mode Multipoint Transceiver
EB2-5TNUL ,COMPACT AND LIGHT WEIGHT SURFACE MOUNTING TYPEAPPLICATIONSElectronic switching systems, PBX, key telephone systems, automatic test equipment and ..
EB2-6NU ,COMPACT AND LIGHT WEIGHT SURFACE MOUNTING TYPEFEATURESª Compact and lightweight : 7.5 mm · 14.3 mm · 9.3 mm, 1.5 gª 2 form c contact arrangementª ..
EB2-9NU ,COMPACT AND LIGHT WEIGHT SURFACE MOUNTING TYPEDATA SHEETMINIATURE SIGNAL RELAYEB2 SERIESCOMPACT AND LIGHT WEIGHTSURFACE MOUNTING TYPEDESCRIPTION ..
EC103D1 ,SCR
EC103D1 ,SCR
EC103D1 ,SCR


DS36276M-DS36276MX
FailSafe Multipoint Transceiver
DS36276
FAILSAFE Multipoint Transceiver
General Description

The DS36276 FAILSAFE Multipoint Transceiveris designed
foruseon bi-directional differential busses.Itis compatible
with existing TIA/EIA-485 transceivers, however,it offersan
additional featurenot supportedby standard transceivers.
The FAILSAFE feature guaranteesthe receiver outputtoa
knownstate whenthe Interfaceisinthe following conditions:
Floating Line, Idle Line(no active drivers),and Line Fault
conditions (openor short). The receiver outputisina HIGH
stateforthe following conditions: OPEN Inputs, Terminated
Inputs (50Ω),and SHORTED Inputs.
FAILSAFEisa highly desirable feature whenthe transceiv-
ersare usedwith Asynchronous Controllers suchas UARTs.
Features
FAILSAFE receiver,RO= HIGHfor: OPEN inputs Terminated inputs SHORTED inputs Compatible with popular interface standards: TIA/EIA-485 (RS-485) TIA/EIA-422-A (RS-422-A) CCITT Recommendation V.11 Bi-Directional Transceiver Designedfor multipoint transmission Separate driver input, driver enable, receiver enable,
and receiver outputfor maximum flexibility Widebus common mode range (−7Vto +12V)Pin compatible with: DS75176B, DS96176, DS3695and
SN75176AandB Availablein SOIC package
Connection and
Logic Diagram
Truth Tables
Driver
Inputs Outputs DE DI DO/RI DO/RI
H H L L L H
XLX Z Z
Receiver
Inputs Output
DE RI–RI RO ≥0V H ≤−500mV L X Z
Receiver FAILSAFE
Inputs Output DE RI–RI RO
L SHORTED H L OPEN H X Z
TRI-STATE®isa registeredtrademark ofNationalSemiconductorCorporation.
DS011383-1
Order Number DS36276M
SeeNS Package Number M08A

July 1998
DS36276
AILSAFE
Multipoint
ransceiver
1999 National Semiconductor Corporation DS011383
ic,good price


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