Dual Supply Transceiver, 8-Channel, 116Kbps, PLCC-28
Octal Transmitter RS-232/RS-423 28-Pin PLCC T/R
8-Channel Bus Transceiver, 200Kbps, 5V, 5mA, PLCC-28
Octal, RS-232/RS-423 Line Driver
Octal Receiver RS-232/RS-423 28-Pin PLCC T/R