创唯电子销售集成电路 (IC) - UART(通用异步接收器/发送器), SC16C554BIB80 528, SC16C554BIB80 551, SC16C554BIB80 557, SC16C554BIBM 128, SC16C554BIBM 151, SC16C554BIBM 157, SC16C554BIBS 528, SC16C554BIBS 551, SC16C554BIBS 557, SC16C554DBIA68 512, SC16C554DBIA68 518, SC16C554DBIA68 529.