MAXIM INTEGRATED PRODUCTS
线路驱动器, RS232, 4驱动器, 4.5V-5.5电源, SOIC-14
TEXAS INSTRUMENTS
接收器, RS232, 4驱动器, 4.5V-5.5电源, SOIC-14
线路接收器, RS232, 4驱动器, 4.5V-6电源, SOIC-14