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IC BLOCK DIAGRAM & DESCRIPTION
IC4005 M12L64164A-7T(64M SDRAM)
CLK
CKE
Clock
Generator
Address
Mode
Register
Row
Address
Buffer
&
Refresh
Counter
Command Decoder
Control Logic
CS
RAS
CAS
WE
Column
Address
Buffer
&
Refresh
Counter
Row Decoder
Bank A
Sense Amplifier
Column Decoder
Data Control Circuit
Latch Circuit
Input & Output
Buffer
DQ
L(U)DQM
Bank B
Bank C
Bank D