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74LVX3L383QSC-74LVX3L383QSCX
10-Bit Low Power Bus-Exchange Switch
TL/F/11652
74LVX3L383
10-Bit
Low
Power
Bus-Exchange
Switch
December 1996
74LVX3L383
10-Bit Low Power Bus-Exchange Switch
General Description
The LVX3L383 provides twosetsof high-speedCMOS TTL-
compatible bus switches. Thelowon resistanceofthe
switch allows inputstobe connectedto outputs without
adding propagation delayor generating additional ground
bounce noise.The deviceoperatesas a10-bitbus switchor 5-bitbus exchanger. Thebus exchange (BX) signal pro-
vides nibble swappingoftheABandCD pairsof signals.
This exchange configuration allows byte swappingof buses systems.Itcan alsobe usedasa quad 2-to-1 multiplexer
andto createlow delay barrel shifters.Thebus enable (BE)
signal turnsthe switcheson.
Features5X switch connection betweentwo ports Zero propagation delay Ultralow power with0.2mA typicalICC Zero ground bouncein flow-through mode Control inputs compatible with TTL level Availablein SOIC, TSSOPand QSOP (SSOP, 0.15×
body width) packages
Logic Diagram
TL/F/11652–1
Truth Table BX A0–A4 B0–B4 Function X High-ZState High-ZState Disconnect C0–C4 D0–D4 Connect D0–D4 C0–C4 Exchange
Connection Diagram
Pin Assignmentfor
SOIC,QSOPand TSSOP
TL/F/11652–2
PinNames Description Bus Switch Enable Bus Exchange
A0–A4,B0–B4 BusesA,B
C0–C4,D0–D4 Buses C,D
SOICJEDEC QSOP TSSOP
OrderNumber 74LVX3L383WM 74LVX3L383QSC 74LVX3L383MTC
74LVX3L383WMX 74LVX3L383QSCX 74LVX3L383MTCX
SeeNS M24B MQA24 MTC24
Package Number
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
C1996National SemiconductorCorporation RRD-B30M17/Printed inU.S.A. http://
