学习日志之electronic(1)——memory

Structure

Memory in general: 

• characteristic
• types
• operations
• interfaces
• timing diagrams
• composition of memories

ROM

RAM

Cache Memory

interface

function:

1. driving input signal according to the criteria of specification on datasheet
2. reading output signal

parameters: 

1. Size
2. Speed
3. Area
4. Cost
5. Power consumption
6. Write ability
7. storage permanence