SN74HC640APWSN74ABT373NSSN74LS157NSSN74AS158NS¥50去看看永恒电子元器件发布了SN74LS157NS SN74ABT373NS SN74AS158NS SN74HC640APW74HC4046APWSN74ABT640N28163386¥40去看看宇豪正品原装店发布了新X2816CPI-15 3386P-1-104 74HC4046APW SN74ABT640N RSN74HC573ADWE2500VF250APW1681TYN640¥0.40去看看吉祥电子128发布了E2500VF250 APW1681 TYN640 AO4421 SN74HC573ADW