w9425g6eb Winbond Electronics Corp America, w9425g6eb Datasheet - Page 8

• Manufacturer Part Number: w9425g6eb
• Description: 4 M ? 4 Banks ? 16 Bits Ddr Sdram
• Manufacturer: Winbond Electronics Corp America

6. BLOCK DIAGRAM
CAS
CLK
RAS
BA0
BA1
CLK
CKE
A10
A11
A12
WE
A0
A9
CS
REFRESH
COUNTER
BUFFER
CLOCK
DLL
COMMAND
DECODER
ADDRESS
BUFFER
COLUMN
COUNTER
REGISTER
GENERATOR
CONTROL
MODE
SIGNAL
NOTE: The cell array configuration is 8192 * 512 * 16
COLUMN DECODER
SENSE AMPLIFIER
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #2
CELL ARRAY
BANK #0
PREFETCH REGISTER
DATA CONTROL
- 8 -
CIRCUIT
Publication Release Date:Feb. 12, 2009
COLUMN DECODER
COLUMN DECODER
SENSE AMPLIFIER
SENSE AMPLIFIER
CELL ARRAY
CELL ARRAY
BANK #3
W9425G6EB
BANK #1
DQ
BUFFER
Revision A02
DQ15
UDQS
DQ0
LDQS
UDM
LDM