参数资料
型号: W989D6CBGX7E
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 32M X 16 DDR DRAM, 5.4 ns, PBGA54
封装: 8 X 9 MM, 0.80 MM PITCH, HALOGEN FREE AND LEAD FREE, VFBGA-54
文件页数: 56/67页
文件大小: 1469K
代理商: W989D6CBGX7E
W989D6CB / W989D2CB
512Mb Mobile LPSDR
Publication Release Date: Jun, 27, 2011
- 6 -
Revision A01-004
5. BLOCK DIAGRAM
CLK
CKE
CS
RAS
CAS
WE
A10
A0
An
BA0
BA1
CLOCK
BUFFER
COMMAND
DECODER
ADDRESS
BUFFER
REFRESH
COUNTER
COLUMN
COUNTER
CONTROL
SIGNAL
GENERATOR
MODE
REGISTER
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #2
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #0
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #3
DATA CONTROL
CIRCUIT
DQ
BUFFER
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #1
DMn
R
O
W
D
E
C
O
R
D
E
R
O
W
D
E
C
O
R
D
E
R
O
W
D
E
C
O
R
D
E
R
O
W
D
E
C
O
R
D
E
R
DQ0 – DQn
DQM
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