2. TABLE OF
CONTENTS
What is a DRAM?
Organization of a DRAM chip
DRAM operations
• Asynchronous
• Synchronous
• Graphic
The different types of DRAMs:
DRAM scaling challenges
Advantages of DRAM over SRAM
13. WRITING
Step1: word line = 1
Step 2: give a value to the bit
line (applying voltage)
Step 3: transfer of value to the
capacitor (charge or discharge)
14.
15. READING
Step 1: word
line = 1
01
Step 2:
distribution of
the charge of
the capacitor to
thee bit line
02
Step 3: change
of the value at
the bit line
03
Step 4: charge
to the Vdd of
the bit line to be
interpreted at
thee output
04
