ADVANCE
128Mb: x16, x32
MOBILE SDRAM
FUNCTIONAL BLOCK DIAGRAM
4 Meg x 32 SDRAM
BA1
0
0
1
1
BA0
0
1
0
1
Bank
0
1
2
3
CKE
CLK
CONTROL
LOGIC
CS#
WE#
BANK3
CAS#
RAS#
BANK2
BANK1
BANK0
REFRESH
COUNTER
12
MODE REGISTER
12
BANK0
ROW-
ADDRESS
LATCH
&
ROW-
ADDRESS
MUX
12
BANK0
MEMORY
ARRAY
4
4
4096
DQM0–
DQM3
12
(4,096 x 256 x 32)
DECODER
DATA
OUTPUT
REGISTER
SENSE AMPLIFIERS
8192
32
DQ0–
DQ31
I/O GATING
2
32
DQM MASK LOGIC
READ DATA LATCH
WRITE DRIVERS
BANK
CONTROL
LOGIC
A0–A11,
BA0, BA1
ADDRESS
REGISTER
14
DATA
INPUT
REGISTER
2
32
256
(x32)
COLUMN
DECODER
COLUMN-
ADDRESS
COUNTER/
LATCH
8
8
128Mb: x16, x32 Mobile SDRAM
MobileY95W_3V_F.p65 – Rev. F; Pub. 9/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002, Micron Technology, Inc.
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MICRON [ MICRON TECHNOLOGY ]
