MT41J256M4JP-15E:G Micron Technology Inc, MT41J256M4JP-15E:G Datasheet - Page 13

• 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

Figure 4:
Figure 5:
PDF: 09005aef826aa906/Source: 09005aef82a357c3
1Gb_DDR3_D2.fm - Rev. F 11/08 EN
RZQ
RZQ
V
V
SS
SS
BA[2:0]
A[12:0]
BA[2:0]
A[13:0]
Q
Q
ZQ
CK, CK#
CK, CK#
ZQ
RESET#
RESET#
RAS#
CAS#
RAS#
CAS#
WE#
ODT
WE#
ODT
CKE
A12
CKE
A12
CS#
CS#
16
17
Address
Address
register
register
128 Meg x 8 Functional Block Diagram
64 Meg x 16 Functional Block Diagram
Mode registers
Mode registers
Control
Control
logic
logic
16
16
13
14
counter
Refresh
counter
Refresh
ZQCL, ZQCS
ZQCL, ZQCS
10
10
3
3
BC4 (burst chop)
OTF
OTF
BC4 (burst chop)
13
14
address
3
address
3
Row-
MUX
Row-
MUX
Column-
counter/
Column-
address
counter/
control
control
address
13
Bank
latch
14
logic
Bank
logic
latch
ZQ CAL
ZQ CAL
decoder
address
Bank 0
address
decoder
row-
latch
Bank 0
and
row-
latch
and
Bank 1
Bank 1
Bank 2
Bank 2
7
3
7
3
Bank 3
Bank 3
Bank 4
Bank 4
16,384
8,192
Bank 5
Bank 5
Bank 6
Bank 6
Columns 0, 1, and 2
Columns 0, 1, and 2
Bank 7
Bank 7
To ODT/output drivers
(8192 x 128 x 128)
To ODT/output drivers
(16,384 x 128 x 64)
Sense amplifiers
Sense amplifiers
DM mask logic
DM mask logic
I/O gating
I/O gating
decoder
memory
Column
Column
decoder
memory
Bank 0
16,384
x128)
Bank 0
array
(128
8,192
(128
x64)
array
Bank 1
Bank 1
Bank 2
Bank 2
Bank 3
Bank 3
Bank 4
Bank 4
13
Bank 5
Bank 5
Bank 6
Bank 6
Bank 7
Bank 7
128
64
BC4
OTF
BC4
OTF
Micron Technology, Inc., reserves the right to change products or specifications without notice.
128
128
64
64
Columns 0, 1, and 2
Column 0, 1, and 2
interface
interface
CK, CK#
READ
CK, CK#
READ
Data
MUX
MUX
FIFO
data
FIFO
data
and
and
Data
1Gb: x4, x8, x16 DDR3 SDRAM
Data
Data
16
8
lower nibble for BC4)
16
8
lower nibble for BC4)
(select upper or
Functional Block Diagrams
(select upper or
Column 2
Column 2
WRITE
drivers
input
logic
WRITE
drivers
and
input
and
logic
control
control
ODT
ODT
CK, CK#
drivers
CK, CK#
READ
drivers
READ
DLL
BC4
DLL
BC4
©2006 Micron Technology, Inc. All rights reserved.
DQ[15:0]
LDQS, LDQS#, UDQS, UDQS#
DQ[7:0]
DQS, DQS#
sw1
sw1
sw1
sw1
sw1
sw1
R
R
R
R
V
V
R
V
R
TT
V
V
TT
TT
TT
V
DD
TT
DD
DD
TT
DD
_
DD
_
_
_
DD
_
_
Q/2
NOM
Q/2
NOM
Q/2
NOM
NOM
NOM
Q/2
Q/2
NOM
Q/2
DQ8
R
R
R
R
R
sw2
TT
sw2
sw2
sw2
R
sw2
TT
TT
sw2
TT
TT
TT
_
_
_
_
_
WR
WR
_
WR
WR
WR
WR
(1 . . . 4)
(1, 2)
(1 . . . 16)
(1 . . . 8)
(1, 2)
LDM/UDM
DQ[15:0]
LDQS, LDQS#
UDQS, UDQS#
DQ[7:0]
DQS, DQS#
DM/TDQS
(shared pin)
TDQS#