1. No category

Clint Johnston


Ram = Random-access Memory.
Data storage.
Picture of some Ram.

Volatile
Nonvolatile.
Lets use this
leaky bucket to
demonstrate
how Ram works.





How many capacitor’s do you have in your PC
/ laptop??
How to work this out.
8 bits makes a byte.
1 million bytes makes a Mb.
SO 512mb Ram = ???




Current
Dram, DDR Sdram, Sram
Upcoming
T-ram, Z-ram and TTram
Different types of the same
type of Ram.
Top L-R
DDR2 with heat-spreader, DDR2
without heat-spreader, Laptop
DDR2, DDR, Laptop DDR




Current
Rom, Prom, Eprom, EEProm, Flash Memory,
FeRam, Mram, Pram.
Upcoming
Cbram, Sonos, Rram, Racetrack Memory,
Nram, Millipede.
Selectron
Tube
Univac
1
Williams – Kilburn
Tube





TTRam
Zram
T-Ram
Using a new manufacturing process called
(SOI) – Silicon on insulator
Current DDR SDRAM improvements to follow
Transfer Speed
7000
6000
5000
4000
Transfer Speed
3000
2000
1000
0
DDR DDR2 DDR3 DDR4

Questions?

Thank you for your time.