W9864G2JH_13 Datasheet, PDF (6/43 Pages) Winbond – 512K x 4 BANKS x 32BITS SDRAM

6. BLOCK DIAGRAM
W9864G2JH
CLK
CKE
CS
RAS
CAS
WE
CLOCK
BUFFER
COMMAND
DECODER
C O N TR OL
SIGN AL
GEN ER ATOR
A10
A0
MODE
REGISTER
ADDRESS
A9
BUFFER
BS0
BS1
REFRESH
COUNTER
COLUMN
COUNTER
COLUMN DECODER
CELL ARRAY
BANK #0
SENSE AMPLIFIER
DATA CONTROL
CIRCUIT
COLUMN DECODER
CELL ARRAY
BANK #2
SENSE AMPLIFIER
COLUMN DECODER
CELL ARRAY
BANK #1
SENSE AMPLIFIER
DQ
BUFFER
DQ0
DQ31
DQM0~3
COLUMN DECODER
CELL ARRAY
BANK #3
SENSE AMPLIFIER
NOT E:
The cell array configuration is 2048 * 256 * 32
Publication Release Date: Oct. 07, 2013
-6-
Revision A02