W981216AH Datasheet, PDF (2/44 Pages) Winbond – 2M x 16 bit x 4 Banks SDRAM

BLOCK DIAGRAM
CLK
CKE
CLOCK
BUFFER
CS
RAS
CAS
WE
COMMAND
DECODER
CONTROL
SIGNAL
GENERATOR
A10
MODE
A0
REGISTER
ADDRESS
BUFFER
A9
A11
BS0
BS1
REFRESH
COUNTER
COLUMN
COUNTER
W981216AH
2M x 16 bit x 4 Banks SDRAM
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
DMn
DQ
BUFFER
COLUMN DECODER
CELL ARRAY
BANK #3
SENSE AMPLIFIER
DQ0
DQ15
UDQM
LDQM
NOTE:
The cell array configuration is 4096 * 512 * 16.
Revision 1.0
Publication Release Date: March, 1999
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