TEXAS INSTRUMENTS
收发器, RS232, 2驱动器, 3V-5.5电源, TSSOP-16
收发器, RS232, 3驱动器, 3V-5.5电源, SSOP-28
收发器, RS232, 3驱动器, 3V-5.5电源, TSSOP-20
EXAR
收发器, RS422/RS485 驱动器, 2.8V-5.5电源, NSOIC-8