HSMP-3812-TR1G BCM3115KPF MC54HC163AJ PHP6N60E AK93C45BL-L

贴插NS8KT-E3/45-MAX489CSD+T-LM741AJ/883-MC54HC574AJ-N

SN74F245 TWL6030B1ADCMRR SN54HC138AJ PTVS45VS1UTR支脚

新54HC4520 54HC45AJ 54HC20AJ SN54F64J SN54S53J R