An LM1895N is a audio power amplifier chip. It is an 8W amp and
can drive 4-ohm loads. The amp itself has 7 external connnections,
but it comes in 8 pin DIP and 11 pin SIP packages.
naming of IC is done according to manufacturer's name, ic type
and IC number.
i think MC means motorola is manufacturer.
74 means TTL IC.
It is 7408 IC and H means high