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Portland State University

2013

Asynchronous circuits -- Design and construction

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Self-Timed Dram Data Interface, Rajesh Nerkar Sep 2013

Self-Timed Dram Data Interface, Rajesh Nerkar

Dissertations and Theses

A DRAM communicates with a processing unit via two interfaces: a data interface and a command interface. In today's DRAMs, also known as synchronous DRAMs (SDRAMs), both interfaces use a clock to communicate with the processing unit. The clock times the communication between the processing unit and the SDRAM on both the data interface and the command interface.

We propose a self-timed DRAM. The self-timed DRAM introduces more flexibility into the DRAM interface by eliminating the clock. The command interface and the data interface each communicate with the processing unit using a handshake protocol rather than a clock.

This thesis …