semiconductor memories l.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
SEMICONDUCTOR MEMORIES PowerPoint Presentation
Download Presentation
SEMICONDUCTOR MEMORIES

Loading in 2 Seconds...

play fullscreen
1 / 70

SEMICONDUCTOR MEMORIES - PowerPoint PPT Presentation


  • 640 Views
  • Uploaded on

Digital Integrated Circuits Prentice Hall 1995. Memory. Array-Structured Memory ... transistor (FAMOS) Digital Integrated Circuits Prentice Hall 1995 ...

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'SEMICONDUCTOR MEMORIES' - Kelvin_Ajay


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
cross sections of nvm cells
Cross-sections of NVM cells

Flash

EPROM

Courtesy Intel

6t sram layout
6T-SRAM — Layout

VDD

M2

M4

Q

Q

M1

M3

GND

M5

M6

WL

BL

BL

3t dram layout
3T-DRAM — Layout

BL2

BL1

GND

RWL

M3

M2

WWL

M1

advanced 1t dram cells
Advanced 1T DRAM Cells

Word line

Capacitor dielectric layer

Cell plate

Insulating Layer

Cell Plate Si

Transfer gate

Isolation

Capacitor Insulator

Refilling Poly

Storage electrode

Storage Node Poly

Si Substrate

2nd Field Oxide

Trench Cell

Stacked-capacitor Cell

row decoders
Row Decoders

Collection of 2M complex logic gates

Organized in regular and dense fashion

(N)AND Decoder

NOR Decoder

yield
Yield

Yield curves at different stages of process maturity

(from [Veendrick92])

semiconductor memory trends
Semiconductor Memory Trends

Memory Size as a function of time: x 4 every three years

semiconductor memory trends69
Semiconductor Memory Trends

Increasing die size

factor 1.5 per generation

Combined with reducing cell size

factor 2.6 per generation

semiconductor memory trends70
Semiconductor Memory Trends

Technology feature size for different SRAM generations