Single-Chip Full-Duplex Transceiver, 1Mbps, 5V, SSOP16
SN65C3221DBRG4 5V 1mA Surface Mount Bus Transceiver
SN75C3221DBRE4 1-Port Bus Transceiver, 1000Kbps, 5V, SSOP-16
DUAL LINE TRANSCEIVER, PDSO20, GREEN, PLASTIC, SSOP-20
Dual UART Transceiver, 1000 Kbps, 2 Drivers, 2 Receivers, 5V, SSOP-20
3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 16-SSOP 0 to 70