MT41J256M4JP-15E:G Micron Technology Inc, MT41J256M4JP-15E:G Datasheet - Page 12

• Manufacturer Part Number: MT41J256M4JP-15E:G
• Description: IC DDR3 SDRAM 1GBIT 78FBGA
• Manufacturer: Micron Technology Inc
• Series: -r

Specifications of MT41J256M4JP-15E:G

• Format - Memory: RAM
• Memory Type: DDR3 SDRAM
• Memory Size: 1G (256M x 4)
• Speed: 667MHz
• Interface: Parallel
• Voltage - Supply: 1.425 V ~ 1.575 V
• Operating Temperature: 0°C ~ 95°C
• Package / Case: 78-TFBGA
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Functional Block Diagrams
Figure 3:
PDF: 09005aef826aa906/Source: 09005aef82a357c3
1Gb_DDR3_D2.fm - Rev. F 11/08 EN
RZQ
V
SS
A[13:0]
BA[2:0]
Q
CK, CK#
ZQ
RESET#
RAS#
CAS#
WE#
ODT
CKE
A12
CS#
17
Address
register
256 Meg x 4 Functional Block Diagram
Mode registers
Control
logic
16
Refresh
counter
14
ZQCL, ZQCS
11
DDR3 SDRAM is a high-speed, CMOS dynamic random access memory. It is internally
configured as an 8-bank DRAM.
3
BC4 (burst chop)
OTF
14
address
3
Row-
MUX
Column-
counter/
control
address
14
Bank
logic
latch
ZQ CAL
decoder
address
Bank 0
latch
row-
and
Bank 1
Bank 2
8
3
Bank 3
Bank 4
16,384
Bank 5
Bank 6
Columns 0, 1, and 2
Bank 7
(16,384 x 256 x 32)
To pull-up/pull-down
Sense amplifiers
DM mask logic
I/O gating
Column
decoder
memory
Bank 0
(x32)
8,192
networks
array
256
Bank 1
Bank 2
Bank 3
Bank 4
12
Bank 5
Bank 6
Bank 7
DM
32
BC4
OTF
Micron Technology, Inc., reserves the right to change products or specifications without notice.
32
32
Columns 0, 1, and 2
interface
CK, CK#
READ
MUX
FIFO
data
and
Data
1Gb: x4, x8, x16 DDR3 SDRAM
Data
4
4
lower nibble for BC4)
Functional Block Diagrams
(select upper or
Column 2
WRITE
drivers
input
and
logic
control
CK, CK#
ODT
drivers
READ
BC4
DLL
©2006 Micron Technology, Inc. All rights reserved.
DQS, DQS#
DQ[3:0]
sw1
sw1
sw1
R
R
R
V
V
V
TT
TT
TT
DD
DD
DD
_
_
_
Q/2
NOM
NOM
Q/2
NOM
Q/2
R
R
R
sw2
sw2
TT
TT
sw2
TT
_
_
_
WR
WR
WR
(1, 2)
(1 . . . 4)
DQ[3:0]
DQS, DQS#
DM