MT47H32M8BP-37V:B Micron Technology Inc, MT47H32M8BP-37V:B Datasheet - Page 11
MT47H32M8BP-37V:B
Manufacturer Part Number
MT47H32M8BP-37V:B
Description
IC DDR2 SDRAM 256MBIT 60FBGA
Manufacturer
Micron Technology Inc
Datasheet
1.MT47H16M16BG-3B_TR.pdf
(128 pages)
Specifications of MT47H32M8BP-37V:B
Format - Memory
RAM
Memory Type
DDR2 SDRAM
Memory Size
256M (32M x 8)
Speed
3.75ns
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.9 V
Operating Temperature
0°C ~ 85°C
Package / Case
60-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MT47H32M8BP-37V:B
Manufacturer:
Micron Technology Inc
Quantity:
10 000
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Functional Block Diagrams
Figure 3: 64 Meg x 4 Functional Block Diagram
PDF: 09005aef8117c187
256MbDDR2.pdf - Rev. M 7/09 EN
BA0–BA1
A0–A12,
RAS#
CAS#
ODT
WE#
CKE
CK#
CS#
CK
15
Address
register
registers
Control
Mode
logic
15
Refresh
counter
13
11
2
The DDR2 SDRAM is a high-speed CMOS, dynamic random access memory. It is inter-
nally configured as a multibank DRAM.
13 Row-
address
MUX
2
Column-
counter/
control
address
Bank
logic
latch
13
latch and
decoder
address
Bank 0
row-
Bank 1
Bank 2
Bank 3
9
2
8,192
DM mask logic
(8,192 x 512 x 16)
Sense amplifiers
I/O gating
decoder
Column
8,192
memory
Bank 1
Bank 0
Bank 2
array
(x16)
Bank 3
512
Column 0, Column 1
16
Internal
CK, CK#
11
16
16
READ
latch
CK out
drivers
WRITE
FIFO
and
Column 0, Column 1
CK in
4
4
4
4
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Mask
Data
MUX
16
4
generator
DQS
1
1
1
1
4
4
4
4
256Mb: x4, x8, x16 DDR2 SDRAM
registers
Input
Data
4
1
1
1
1
4
4
4
4
DQS, DQS#
2
1
4
CK, CK#
DRVRS
Functional Block Diagrams
2
DLL
RCVRS
sw1 sw2
sw1 sw2
sw1 sw2
sw1 sw2
R1
R1
R1
R1
R1
R1
©2003 Micron Technology, Inc. All rights reserved.
ODT control
R2
R2
R2
R2
R2
R2
VssQ
sw3
sw3
sw3
sw3
R3
R3
R3
R3
R3
R3
V
dd
Q
DQ0–DQ3
DQS, DQS#
DM
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