00302nam a2200109Ia 4500008004100000041001200041082002000053100002700073245005800100260001600158650001800174231217s9999    xx            000 0 und d  aEnglish  a621.384134  NAT  aNational semiconductor 0aProgrammable logic devices: Databook and design guide  c1989bN S C  aLogic devices