This book bridges the gap between logical design and VLS1 design- this substantially revised edition reflects the computer engineering curricula changes of the past decade. Although many of the same topics in the third edition are covered, NMOS and standard-cell based CMOS methodologies are now stressed. Thoroughly updated, the new edition covers CAD tools, PLA's and VLS1 systems. new, open-ended design problems encopurage students to practice designing.