DS14C241 (RS-232 SERIAL PORT DEVICES) Single Supply TIA/EIA-232 4x5 Driver/Receiver +-----------+ DOUT3 |1 +--+ 28| DOUT4 DOUT1 |2 27| RIN3 DOUT2 |3 26| ROUT3 RIN2 |4 25| SD (SHUTDOWN) ROUT2 |5 24| /EN DIN2 |6 23| RIN4 DIN1 |7 DS14 22| ROUT4 ROUT1 |8 C241 21| DIN4 RIN1 |9 20| DIN3 GND |10 19| ROUT5 VCC |11 18| RIN5 C1+ |12 17| V- V+ |13 16| C2- C1- |14 15| C2+ +-----------+