Abstract
Embedded memories form a crucial part in the design of modern high performance microprocessors. The number of transistors in memories forms a majority of the transistors in a typical high performance microprocessor. Therefore, modeling embedded memories is an important challenge in high performance microprocessor design. A typical design process involves a multiplicity of interacting methodologies - simulation, formal verification, design for test, emulation etc. Memory models are needed for each of these methodologies. This complicates the process of modeling memories. The authors present a tool called MemGen that automates memory model generation for all methodologies. It has been used in-house in Motorola Inc. and then later in Freescale Semiconductor Inc. in all high performance design projects. The authors present result obtained by using MemGen-generated embedded memories in real life design projects of PowerPCreg G2 and G4 microprocessors
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