MT47H64M8CF-25E IT:G Micron Technology Inc, MT47H64M8CF-25E IT:G Datasheet - Page 12
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MT47H64M8CF-25E IT:G
Manufacturer Part Number
MT47H64M8CF-25E IT:G
Description
64MX8 DDR2 SDRAM PLASTIC IND TEMP FBGA 1.8V
Manufacturer
Micron Technology Inc
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Figure 4: 32 Meg x 16 Functional Block Diagram
PDF: 09005aef8440dbbc
512mbddr2_ait_aat.pdf – Rev. C 7/11 EN
BA0, BA1
A0–A12,
RAS#
CAS#
WE#
ODT
CKE
CK#
CS#
CK
15
Address
register
registers
Mode
Control
Logic
15
Refresh
counter
13
10
2
13
address
2
Row-
MUX
Column-
counter/
control
address
13
Bank
logic
latch
latch and
decoder
Address
Bank 0
row-
Bank 1
Micron Confidential and Proprietary
Bank 2
Bank 3
8
2
8,192
DM mask logic
(8,192 x 256 x 64)
Sense amplifiers
I/O gating
decoder
Column
16,384
Bank 0
Memory
Bank 1
(x64)
array
256
Bank 2
Bank 3
Internal
CK, CK#
COL0, COL1
12
512Mb: x8, x16 Automotive DDR2 SDRAM
64
64
64
Read
CK out
latch
drivers
Write
CK in
FIFO
and
Micron Technology, Inc. reserves the right to change products or specifications without notice.
16
16
16
16
Mask
Data
COL0, COL1
64
8
MUX
generator
2
2
2
2
16
16
16
16
registers
DQS
Input
Data
16
Functional Block Diagrams
16
16
16
16
2
2
2
UDQS, UDQS#
LDQS, LDQS#
2
CK, CK#
16
4
DRVRS
2
DLL
4
RCVRS
2010 Micron Technology, Inc. All rights reserved.
sw1 sw2
sw1 sw2
sw1 sw2
sw1 sw2
R1
R1
R1
R1
R1
R1
ODT control
R2
R2
R2
R2
R2
R2
VssQ
sw3
sw3
sw3
sw3
R3
R3
R3
R3
R3
R3
VddQ
DQ0–DQ15
UDQS, UDQS#
LDQS, LDQS#
UDM, LDM
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