SN74AHCT245PWRG4规格参数
相关型号
SN74AHCT245RGYR SN74AHCT245RGYRG4 SN74AHCT257OR SN74AHCT273DBR SN74AHCT273DBRE4 SN74AHCT273DBRG4 SN74AHCT273DGVR SN74AHCT273DGVRE4 SN74AHCT273DGVRG4 SN74AHCT273DW