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FCRAM (Fast Cycle RAM) is a new type of memory developed by the Fujitsu Corporation, with the help of Toshiba Electronic Components. With the substantial increases in CPU speeds, designers are searching for solutions that overcome the problems of relatively slower memory. FCRAM approaches the problem of DRAM/processor speed in a different way than other technologies.
Other technologies such as EDO and SDRAM have attacked the problem with enhanced logic circuitry and peripherals to access the DRAM core. This results in small advances, but these advances only target the interface to the DRAM, nothing else. FCRAM seeks to change the DRAM core itself. The process includes pipeline operation and core segmentation, with the added benefit of power reduction.
This new structure brings significant advantages over traditional memory technology, which has remained virtually unchanged over the past 20 years. One major advantage is the ability to send Row/Column information at the same time, as opposed to today's standard sequential operation. In fact, a secondary command can be issued to an FCRAM device without it being necessary to wait for the completion of the primary command. By combining it with a DDR interface, FCRAM technology will speed performance significantly.
Both Fujitsu and Toshiba hope to make a big impact in the computer industry by providing an ample supply and maintaining good customer relations to optimize their products. The companies plan to target these memory devices at users of power-intensive graphics-based systems and multimedia applications, where a substantial difference in speed can be recognized.
| DRAM | About SRAM |
| About DRAM | About Flash Memory |
| About EDO/FPM | About Embedded Memory |
| About SDRAM | About Optical Memory |
| About DDR | |
| About Rambus | |
| About FCRAM |
Other articles in this series:
How to repair RAM
Selecting a memory tester
Types of Memory
Memory Sources
How to test memory
Quality of Memory - Remarked versus marked, brand name vs no name
What is the SPD and how to program it
Evolution of memory