LM5642XMTX/NOPB,DC/DC 开关控制器
【National Semiconductor】LM565CN,
LM565CN/NOPB,IC VOLT CONTROLLED OSC 14DIP
【National Semiconductor】LM567CM,IC TONE DECODR PHAS LOC LP 8SOIC
LM567CM/NOPB,电话振铃器 TONE DECODER
【National Semiconductor】LM567CMX,IC TONE DECODR PHAS LOC LP 8SOIC
LM567CMX/NOPB,射频接收器
【National Semiconductor】LM567CN,IC TONE DECODR PHAS LOC LP 8-DIP