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EA2-12 ,COMPACT AND LIGHTWEIGHTAPPLICATIONSElectronic switching systems, PBX, key telephone systems, automatic test equipment and ..
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EA2-12S ,COMPACT AND LIGHTWEIGHTFEATURESª Low power consumptionª Compact and light weightª 2 form c contact arrangementª Low magnet ..
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DS26LS32M
Quad Differential Line Receivers
TL/F/5255
DS26LS32C/DS26LS32M/DS26LS32AC/DS26LS33C/DS26LS33M/DS26LS33AC
Quad
Differential
Line
Receivers
January 1996
DS26LS32C/DS26LS32M/DS26LS32AC/DS26LS33C/
DS26LS33M/DS26LS33AC Quad Differential Line
Receivers
General Description
The DS26LS32and DS26LS32Aare quad differentialline
receivers designedto meetthe RS-422, RS-423and Feder- Standards 1020and 1030for balanced and unbalanced
digital data transmission.
The DS26LS32and DS26LS32A havean input sensitivityof
200mV overthe input voltage rangeof g7V andthe
DS26LS33 and DS26LS33A havean input sensitivityof
500mV overthe input voltage rangeof g15V.
Boththe DS26LS32A and DS26LS33A differin function
fromthe popular DS26LS32 and DS26LS33in that input
pull-upand pull-down resistorsare included which prevent
output oscillationon unused channels.
Each version providesan enableand disable function com-
montoall four receiversand features TRI-STATEÉ outputs
with8 mA sink capability. Constructed usinglow power
Schottky processing, these devicesare available overthe
full militaryand commerical operating temperature ranges.
Features High differentialor common-mode input voltage ranges g7Vonthe DS26LS32 and DS26LS32A and g15Vthe DS26LS33and DS26LS33A g0.2V sensitivity overthe input voltage rangeonthe
DS26LS32 and DS26LS32A, g0.5V sensitivityonthe
DS26LS33and DS26LS33A DS26LS32 and DS26LS32A meetall requirementsof
RS-422and RS-4236k minimum input impedance 100 mV input hysteresison the DS26LS32 and
DS26LS32A, 200 mV on the DS26LS33 and
DS26LS33A Operation froma single5V supply TRI-STATE outputs, with choiceof complementary out-
put enablesfor receiving directly ontoa databus
Logic Diagram
TL/F/5255–1
Connection Diagram
Dual-In-Line Package
TL/F/5255–2
Top View
Truth Table
ENABLE ENABLE Input Output 1 X Hi-Z
See VIDtVTH (Max) 1
Note Below VIDsVTH (Min) 0
HI-Ze TRI-STATE
Note:Input conditionsmaybeany combinationnot definedfor ENABLE
and ENABLE.
Order Number DS26LS32CM, DS26LS32CN,
DS26LS32MJ, DS26LS32ACM, DS26LS32ACN,
DS26LS33CN,DS26LS33MJorDS26LS33ACN
SeeNS Package Number J16A,M16Aor N16A
ForComplete Military883 Specifications,
See RETS DataSheet.
Order Number DS26LS32MJ/883, DS26LS32MW/883,
DS26LS33MJ/883,DS26LS33MW/883
See NSPackageNumberJ16Aor W16A
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
C1996National SemiconductorCorporation RRD-B30M36/Printed inU.S.A. http://
