23-05-2012, 01:45 PM
PLASTIC MEMORY
PLASTIC MEMORY.pptx (Size: 538.13 KB / Downloads: 140)
Introduction
Main challenge in computer construction is the design of new memory chip with decrease size.
A conducting plastic has been used to create a new memory technology with the potential to store a megabit of data in a millimeter-square device - 10 times denser than current magnetic memories.
The beauty of the device is that it combines the best of silicon technology-diodes with the capability to form a fuse, which does not exist in silicon
What is Plastic Memory?
It is a two-terminal device that can be written & erased repeatedly by voltage pulses of e.g. -4V & +4 V.
It is a technique that store a megabits of data in a millisquare device.
It is 10 times denser than current magnetic memories.
Plastic Memory has the potential to become the next generation of storage media.
Spin Electronic Structure
It uses electron spin to Read/Write data
It is a thin strip of dark blue organic-based magnetic layered with a metallic ferromagnet and connected to two electrical leads.
The data is recorded and retrived from it by controlling the spin of the electrons with a magnetic field.
Facts About Plastic Memory
Plastic Memory is fast
Lab-built devices with a 1GB of storage capacity have yielded read/write cycle times that are 10 times faster than CompactFlash , which are typically 2MB/s read, 1-4 MB/s write.
It requires far fewer transistors, typically only 0.5M(million) for 1GB of storage compared to silicon’s 1.5-6.5B(biliion).
Conclusion
It is 10 times denser than current magnetic memories.
Store mega-bit of data in millimeter-square device.
Data can’t be rewritten so suitable for permanent storage.
It requires only few transistors.
It costs about 5% as much to manufacture compared to silicon-based memory.
Retain data without power.