INTERSIL
芯片, 收发器, RS422, RS485, 3.6V, SOIC-8
ANALOG DEVICES
芯片, 收发器, RS-485/422
MAXIM INTEGRATED PRODUCTS
芯片, 收发器, RS422/RS485, 5.25V, DIP8
EXAR
芯片, 高级故障保护收发器, RS-485/RS-422