INTERSIL
收发器, RS232, RS422/RS485, 2驱动器, 3V至3.6V, SSOP-20
EXAR
收发器, RS232/RS485, 4驱动器, 4.75V-5.25电源, SOIC-28
EXAR
线路接收器, RS232/RS485, 3驱动器, 4.75V-5.25电源, SOIC-28
INTERSIL
收发器, RS232/RS485, 2驱动器, 3.15V至3.45V, QFN-40
INTERSIL
收发器, RS232/RS485, 2驱动器, 4.5V至5.5V, QFN-40
EXAR
芯片, 收发器, RS232/485, 可编程, 28WSOIC