ANALOG DEVICES
芯片, RS232收发器, 四路, 120KBPS, DIP-24
芯片, RS232收发器, 四路, 120KBPS, SSOP-24
芯片, 收发器, 四路, RS232, DIP24, 238
INTERSIL
收发器, RS232, 4驱动器, 4.5V-5.5电源, SOIC-24
EXAR
芯片, 收发器, RS-232, 5V, 24SSOP