TEXAS INSTRUMENTS SN75C1406NG4 Line RS232, 3-drivers, 4.5V-15V Supply, DIP-16
3-Transceiver, 3-Receiver, 3-Transmitter, 120Kbps, 5V, 0-70°C, Surface Mount SOP16
Triple Low-Power Drivers And eceivers 16-PDIP 0 to 70