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74AC540TOSHIBAN/a30avaiOctal Buffer/Line Driver with TRI-STATE Outputs


74AC540 ,Octal Buffer/Line Driver with TRI-STATE Outputs54AC/74AC540OctalBuffer/LineDriverwithTRI-STATEOutputsMarch199354AC/74AC540OctalBuffer/LineDriverwi ..
74AC540MTCX ,Octal Buffer/Line Driver with 3-STATE OutputsElectrical CharacteristicsV T

74AC540
Octal Buffer/Line Driver with TRI-STATE Outputs
TL/F/9966
54AC/74AC540
Octal
Buffer/Line
Driver
with
TRI-STATE
Outputs
March 1993
54AC/74AC540
Octal Buffer/Line Driver with TRI-STATEÉ Outputs
General Description
The ’AC540isan octal buffer/line drivers designedtobe
employed asmemoryand addressdrivers, clock driversand
bus oriented transmitter/receivers.
These devicesare similarin functiontothe ’AC240 while
providing flow-through architecture (inputson opposite side
from outputs). This pinout arrangement makes these devic- especially usefulas output portsfor microprocessors,
allowing easeof layoutand greaterPC board density.
Features ICCandIOZ reducedby 50% TRI-STATE inverting outputs Inputs and outputs opposite sideof package, allowing
easier interfaceto microprocessors Output source/sink24mA Standard Military Drawing 54AC540: 5962-8769501
Logic Symbol
IEEE/IEC
TL/F/9966–1
Connection Diagrams
Pin Assignment
for DIP, FlatpakandSOIC
TL/F/9966–3
Pin Assignment
for LCC
TL/F/9966–2
Truth Table
Inputs Outputs
OE1 OE2 I H L X Z X Z L He HIGH Voltage Levele LOW Voltage Levele ImmaterialeHigh Impedance
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
FACTTMisa trademarkof NationalSemiconductor Corporation.
C1995National SemiconductorCorporation RRD-B30M75/PrintedinU.S.A.
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