54LS125A/DM54LS125A/DM74LS125AQuad TRI-STATEÉ BuffersGeneral Des criptionThis device contains four independent gates each of whichperforms a non-inverting buffer function. The outputs havethe TRI-STATE feature. When enabled, the outputs exhibitthe low impedance characteristics of a standard LS outputwith additional drive capability to permit the driving of buslines without external resistors. When disabled, both theoutput transistors are turned off presenting a high-impedancestate to the bus line. Thus the output will act neither asa significant load nor as a driver. To minimize the possibilitythat two outputs will attempt to take a common bus to oppositelogic levels, the disable time is shorter than the enabletime of the outputs.FeaturesY Alternate Military/Aerospace device (54LS125) is available.Contact a National Semiconductor Sales Office/Distributor for specifications.
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