DECchip 21064-AA Microprocessor

This document provides a product overview of the DECchip 21064-AA, the first in a family of microprocessors to implement Digital’s 64-bit Alpha architecture. It highlights the processor's key features, including its .75 micron CMOS technology, dual instruction issue, and 150 MHz cycle time. The summary includes detailed information on the microarchitecture (Ebox, Fbox, Abox, Ibox), pipeline and cache organization, and memory management capabilities. Additionally, it provides a summary of the Alpha architecture instruction set, performance advantages compared to conventional RISC designs, and physical specifications like power supply and packaging.