创唯电子销售集成电路 (IC) - UART(通用异步接收器/发送器), SC16C554DBIB64 128, SC16C554DBIB64 151, SC16C554DBIB64 157, SC16C554DIA68 512, SC16C554DIA68 518, SC16C554DIA68 529, SC16C554DIB64 128, SC16C554DIB64 151, SC16C554DIB64 157, SC16C554IB64 128, SC16C554IB64 151, SC16C554IB64 157.