Telephone Dialer Circuit, CMOS, PDIP28, PLASTIC, DIP-28
Commercial Temperature 22-Pin Dual Function DIP IC
Telephone Dialer Circuit, CMOS, PDIP24, PLASTIC, DIP-24
DTMF TRX/Pulse TRX 3.58MHz CMOS 2.5V/3.3V/5V 28-Pin PDIP
