IC DTMF TXRX 3.58MHz CMOS 5V SOIC-20 MT8888CSR1 / MT8888CS1
37/TUBE•DC 0436 / 0437
IC DTMF RECIEVER 2.7V ~ 3.6V SMD SOIC-18 ROHS
1K/REEL•DC 0613•RoHS