MAX232AEPE+.
Maxim Integrated
Price range: $5.20 - $6.10
IC TRANSCEIVER DIP16 232; Device Type:Line Driver / Receiver; IC Interface Type:RS232; No. of Drivers:2; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Driver Case Style:DIP; No. of Pins:16; Operating Temperature Min:-40 C; ;RoHS Compliant: Yes