IC RECEIVER DTMF 16PAIR 8DIP
DTMF Receiver 3.579MHz 4.25-5.25V 3mA PDIP-8
ZL49021DAA1 5V 3.579 MHz 3mA PDIP
DTMF Receiver IC 3.579MHz 4.25-5.25V 3mA PDIP-8
ZL49020DAA1 5V 3.579 MHz 3mA PDIP