
South African Micro Electronic Systems
SINGLE CHIP TELEPHONE INTERFACE FOR KEYBOARD ENTRY VIA uC

South African Micro Electronic Systems
SINGLE CHIP TELEPHONE POWER EXTRACTION FOR EXTERNAL LOADS

South African Micro Electronic Systems
SA2531/2 Single Chip Telephone: Using dynamic microphone as tone ringer

South African Micro Electronic Systems
SA2531/2 Single Chip Telephone: Using dynamic microphone as tone ringer

Fujitsu
2-ch DC/DC Converter IC with Overcurrent Protection