W982516BH Datasheet, PDF (6/43 Pages) Winbond – 4M X 4 BANKS X 16 BIT SDRAM

6. BLOCK DIAGRAM
W982516BH
CLK
CKE
CLOCK
BUFFER
CS
RAS
CAS
WE
COMMAND
DECODER
CONTROL
SIGNAL
GENERATOR
A10
A0
A9
A11
A12
BS0
BS1
ADDRESS
BUFFER
MODE
R E G IST E R
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
COLUMN DECODER
CELL ARRAY
BANK #3
SENSE AMPLIFIER
DQ0
DQ15
LDQM
UDQM
Note: The cell array configuration is 8192 * 512 * 16.
-6-