W949D6DB Datasheet, PDF (9/60 Pages) Winbond – Standard Self Refresh Mode

6. BLOCK DIAGRAM
6.1 Block Diagram
CK
CK
CKE
CS
RAS
CAS
WE
CLOCK
BUFFER
COMMAND
DECODER
CONTROL
SIGNAL
GENERATOR
A10
A0
An
BA0
BA1
ADDRESS
BUFFER
MODE
REGISTER
REFRESH
COUNTER
COLUMN
COUNTER
W949D6DB / W949D2DB
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
DQ0~15 (x16)
DQ0~31 (x32)
UDM, LDM (x16)
DM0~3 (x32)
UDQS, LDQS (x16)
DQS0~3 (x32)
COLUMN DECODER
CELL ARRAY
BANK #3
SENSE AMPLIFIER
Publication Release Date: Oct. 08, 2014
Revision: A01-003
-9-