ECE 558 Introduction to VLSI Design

ECE 658 (NTU IC740-A) VLSI Design Principles

Lecture 13 (Fall 2005)  

• More Sequential Design
• The Tri-state Driver
• Issues: layout, bus contention
• 2-input Mux using Tri-state Drivers

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• 4-input Mux using tree structure
• Static CMOS Reg with Keepers
• Pipelining to improve max clockrate
• Pipelining timing diagram
• Adding functionality to the Flipflop with Tri-state multiplexors: set, reset, load
• Down counter
• Register file

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Coming up in next lecture:

• Implementation Strategies for Digital ICs