Microcontroller, 8-Bit, MROM, 0.15MHz, PQFP80
Analog Circuit
DTMF Signaling Circuit,
DVD HOME THEATER SYSTEM
Telephone Circuit, CMOS, PDIP24
Telephone Circuit, CMOS, PDIP18
Telephone Calling No Identification Circuit,
Telephone Circuit, CMOS, PDIP16
DTMF Signaling Circuit, CMOS, PDSO18,
Telephone Circuit, CMOS, PDIP22
Telephone Circuit, CMOS, PDIP28
EEPROM,
