Single Transmitter/Receiver RS-232 16-Pin QFN EP Tube
INTERSIL ISL4221EIRZ. IC, RS232 DRIVER
Pb-Free 3V Rs-232 1Tx/1Rx -40+85 Transceiver, 16Ld 5X5 Qfn, Rohs Compliant: Yes
RS-232 Line Transceiver, 16-Pin, ±15kV ESD, 2.7-5.5V, Industrial
RS-232 Transceiver IC, 500Kbps, 1 Tx/Rx, 5.5V, QFN-EP
ISL4221E Series 250 kbps 2.7 to 5.5 V RS-232 Transmitter/Receiver - QFN-16