W948D6FBHX5E-TR Datasheet, PDF (8/60 Pages) Winbond – 256Mb Mobile LPDDR

5. BLOCK DIAGRAM
5.1 Block Diagram
CK
CLOCK
CK
BUFFER
CKE
CS
RAS
CAS
WE
COMMAND
DECODER
CONTROL
SIGNAL
GENERATOR
A10
MODE
REGISTER
A0
ADDRESS
An
BUFFER
BA0
BA1
REFRESH
COUNTER
COLUMN
COUNTER
COLUMN DECODER
R
O
W
D
E
CELL ARRAY
C
O
BANK #0
R
D
E
R
SENSE AMPLIFIER
DATA CONTROL
CIRCUIT
COLUMN DECODER
R
O
W
D
CELL ARRAY
E
C
O
BANK #2
R
D
E
R
SENSE AMPLIFIER
W948D6FB / W948D2FB
256Mb Mobile LPDDR
COLUMN DECODER
R
O
W
D
E
CELL ARRAY
C
O
BANK #1
R
D
E
R
SENSE AMPLIFIER
DMn
DQ
BUFFER
COLUMN DECODER
R
O
W
D
CELL ARRAY
E
C
BANK #3
O
R
D
E
R
SENSE AMPLIFIER
DQ0 – DQ15 (x16)
DQ0 – DQ31 (x32)
UDM / LDM (x16)
DMn (x32)
UDQS / LDQS (x16)
DQSn (x32)
Publication Release Date : Oct, 15, 2012
-8-
Revision : A01-004