ANALOG DEVICES
芯片, 线驱动器/接收器, RS232, 460KBPS, 4.5V-5.5V, SOIC-20
MAXIM INTEGRATED PRODUCTS
收发器, RS232, 4.5V-5.5V电源, 2驱动器, NSOIC-14
MAXIM INTEGRATED PRODUCTS
收发器 RS422, RS485, 3V-5.5V电源, 1驱动器, WSOIC-28
INTERSIL
芯片, RS485 接收器, 4MBPS, QSOP-16
MAXIM INTEGRATED PRODUCTS
收发器 RS422, RS485, 3V-5.5V电源, 1驱动器, WSOIC-28