DS3662WM ,Quad High Speed Trapezoidal Bus TransceiverFeaturesn Pin to pin functional replacement for DS8641The DS3662 is a quad high speed Schottky bus ..
DS3668N ,Quad Fault Protected Peripheral DriverFeaturesgered by turn-on surge currents associated with certainn Output fault protectionkinds of lo ..
DS3668N ,Quad Fault Protected Peripheral DriverElectrical Characteristics (Notes 2, 3, 6)Symbol Parameter Conditions Min Typ Max UnitsV Input High ..
DS3679 ,Hex TRI-STATE TTL to MOS DriversFeaturesduce input currents allowing the large fan-out to these driv-YHigh speed capabilitiesers ne ..
DS3680 ,Quad Negative Voltage Relay DriverDS3680QUAD TELEPHONE RELAY DRIVERSLRS014C – MARCH 1986 – REVISED SEPTEMBER 1995D OR N PACKAGE• Desi ..
DS3680 ,Quad Negative Voltage Relay Drivermaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
EC103D1 ,SCR
EC103D1 ,SCR
EC103D1 ,SCR
EC2-12NU ,COMPACT AND LIGHTWEIGHT, SMALL MOUNTING SIZE, HIGH BREAKDOWN VOLTAGE
EC2-24 ,COMPACT AND LIGHTWEIGHT, SMALL MOUNTING SIZE, HIGH BREAKDOWN VOLTAGE
EC2-24NU ,COMPACT AND LIGHTWEIGHT, SMALL MOUNTING SIZE, HIGH BREAKDOWN VOLTAGE
DS3662J-DS3662N-DS3662N ..-DS3662WM
Quad High Speed Trapezoidal Bus Transceiver
DS3662
Quad High Speed Trapezoidal™ Bus Transceiver
General DescriptionThe DS3662isa quad high speed Schottkybus transceiver
intendedfor usewith terminated 120Ω impedance lines.Itis
specifically designedto reduce noisein unbalanced trans-
mission systems. The open collector drivers generate pre-
cise trapezoidal waveforms withriseandfall timesof15ns
(typical), whichare relatively independentof capacitive load-
ing conditions onthe outputs.Thisreduces noisecouplingto
the adjacent lines without any appreciable impactonthe
maximum data rate obtainable with high speedbus trans-
ceivers.In addition, thereceiversusealow passfilterincon-
junction witha high speed comparator,to further enhance
the noise immunity. Tightly controlled threshold levelsonthe
receiver provideequalrejectionto both negative andpositive
going noise pulsesonthe bus.
The external terminationis intendedtobea 180Ω resistor
from thebusto5V logicsupply, togetherwitha 390Ωresistor
fromthebusto ground.Thebuscanbe terminated atoneor
both ends.Atwo input NOR gateis providedto disableall
driversina package simultaneously.
FeaturesPintopin functional replacementfor DS8641 GuaranteedAC specificationson noise immunityand
propagation delay overthe specified temperatureand
supply voltage range Temperature insensitive receiver thresholds trackbus
logic level Trapezoidalbus waveforms reduce noise couplingto
adjacent lines Precision receiver thresholds provide maximum noise
immunityand symmetrical responseto positiveand
negative going pulses Open collector driver output allows wire-OR connection High speed Schottky technology15μA typicalbus termination currentwith normal VCCor
with VCC=0V Glitchfree power up/down protectiononthe driver
output TTL compatible driverand disable inputs,and receiver
outputs
Block and Connection DiagramTrapezoidal™isa trademarkof National SemiconductorCorp.
Dual-In-Line PackageDS005803-1
Top View
Order Number DS3662J, DS3662Nor DS3662WM
SeeNS Package Number J16A, N16Aor M16BJuly 1992
DS3662
Quad
High
Speed
rapezoidal
Bus
ransceiver 1999 National Semiconductor Corporation DS005803
