NXP
芯片, 双路, 异步收发器, FIFO, 1MBPS, 5.5V, QFP-44, 整卷
芯片, 双路异步收发器, UART, FIFO, 1MBPS, 5.5V, LCC-44
TEXAS INSTRUMENTS
芯片, 收发器, 最小电源电压3.3V