MT47H256M8HG-5E:A Micron Technology Inc, MT47H256M8HG-5E:A Datasheet - Page 13
![](/photos/31/34/313422/mfg557-60-fbga_sml.jpg)
MT47H256M8HG-5E:A
Manufacturer Part Number
MT47H256M8HG-5E:A
Description
Manufacturer
Micron Technology Inc
Type
DDR2 SDRAMr
Datasheet
1.MT47H256M8HG-5EA.pdf
(134 pages)
Specifications of MT47H256M8HG-5E:A
Organization
256Mx8
Address Bus
18b
Access Time (max)
600ps
Maximum Clock Rate
400MHz
Operating Supply Voltage (typ)
1.8V
Package Type
FBGA
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
1.9V
Operating Supply Voltage (min)
1.7V
Supply Current
140mA
Pin Count
60
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MT47H256M8HG-5E:A
Manufacturer:
MICRON
Quantity:
985
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- Download datasheet (10Mb)
Figure 4: Functional Block Diagram – 256 Meg x 8
PDF: 09005aef824f87b6
2gbddr2.pdf – Rev. E 06/10 EN
BA0–BA2
A0–A14,
RAS#
CAS#
WE#
ODT
CKE
CK#
CS#
CK
18
Address
register
registers
Mode
Control
logic
18
counter
Refresh
15
10
3
15
address
Row-
MUX
2
15
control
Bank
logic
Column-
counter/
address
latch
decoder
address
Bank 0
row-
latch
and
Bank 1
Bank 2
Bank 3
Bank 4
8
2
32,768
Bank 5
Bank 6
Bank 7
DM mask logic
(32,768 x 256 x 32)
I/O gating
Memory array
Sense amplifers
decoder
Column
8,192
(x32)
256
Bank 0
Bank 1
Bank 2
Bank 3
Bank 4
Bank 5
Bank 6
13
Bank 7
COL0, COL1
CK,CK#
32
32
32
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Read
latch
CK out
drivers
Write
CK in
FIFO
and
8
8
8
8
COL0, COL1
Mask
Data
4
32
MUX
2Gb: x4, x8, x16 DDR2 SDRAM
generator
2
2
2
2
8
8
8
8
DQS
registers
Input
Data
Functional Block Diagrams
8
UDQS, UDQS#
LDQS, LDQS#
2
2
2
2
8
8
8
8
CK, CK#
2
8
2
DRVRS
2
DLL
RCVRS
© 2006 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–DQ7
DQS, DQS#
RDQS#
RDQS
DM
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