DECchip 21064-AA RISC Microprocessor

This preliminary data sheet covers the DECchip 21064-AA RISC CPU microprocessor, which is the first of the Alpha architecture family. It provides technical details on the 21064's microarchitecture, including the Ibox, Ebox, Abox, and Fbox, as well as its cache organization and pipeline structure. The document also details the Privileged Architecture Library (PALcode) environment, external interface, DC and AC characteristics, and the chip's pinout information.