PowerPC 603 is a low-power 32-bit microprocessor with RISC instruction set.
The first implementation of the PowerPC 603 was based on 0.5 micron
technology and featured 8 KB code and 8 KB data caches. Overall performance
of this CPU was lower than similarly clocked Power PC 601. Processor
performance was enhanced in the next revision of the chip - 603e.
The 603e was manufactured on 0.35 micron CMOS process, had twice as large
instruction and data caches, and included other minor performance
improvements. The next revision of the family, 603ev,
was a faster clocked revision of 603e. The forth, and the last,
revision of the PowerPC 603 was 603et. This processor was
manufactured on 0.29 micron technology, and was clocked at speeds
from 200 to 300 MHz.
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