54ACTQ240 Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs(?????????????????????/?????
54ACTQ240D Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs
54ACTQ240DMQB BUFFER/DRIVER|DUAL|4-BIT|ACT-CMOS|DIP|20PIN|CERAMIC
54ACTQ240F Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs
54ACTQ240FMQB From datasheet system
54ACTQ240L Quiet Series Octal Buffer/Line Driver with TRI-STATE Outputs
54ACTQ240LMQB BUFFER/DRIVER|DUAL|4-BIT|ACT-CMOS|LLCC|20PIN|CERAMIC