4-Channel Bus Transceiver, 120Kbps, 5.5V, PDIP, Through Hole, -40°C to 85°C
Quad Transmitter/Receiver RS-232 24-Pin PDIP
RS-232 Bus Transceiver, 4 Tx/4 Rx, 5V, PDIP
Quad Transmitter/Receiver RS-232 24-Pin PDIP N Tube