Interface Circuit,
TFBS6711-TR4 Vishay, IR Transceiver
3.6V 1.9mA SMD/SMT Interface IC
IRDA TX/RX 4Mbps 2.5V/3.3V 6-Pin SMD T/R
IRDA TX/RX 4MBPS 2.4V TO 3.6V 6PIN - Tape and Reel
