mt46v128m4bn Micron Semiconductor Products, mt46v128m4bn Datasheet - Page 7

• Manufacturer Part Number: mt46v128m4bn
• Description: 512mb X4, X8, X16 Ddr Sdram
• Manufacturer: Micron Semiconductor Products

Figure 4:
Figure 5:
PDF: 09005aef80a1d9d4/Source: 09005aef82a95a3a
512Mb_DDR_x4x8x16_D2.fm - 512Mb DDR: Rev. L; Core DDR Rev. A 4/07 EN
64 Meg x 8 Functional Block Diagram
32 Meg x 16 Functional Block Diagram
BA0, BA1
A0–A12,
RAS#
CAS#
WE#
CKE
CK#
CS#
CK
BA0, BA1
15
A0–A12,
CAS#
RAS#
WE#
REGISTER
ADDRESS
CKE
CK#
CS#
CK
MODE REGISTERS
CONTROL
15
LOGIC
15
ADDRESS
REGISTER
MODE REGISTERS
CONTROL
LOGIC
COUNTER
15
REFRESH
13
11
2
13
13
ADDRESS
2
ROW-
MUX
10
COUNTER
ADDRESS
REFRESH
2
2
ROW-
MUX
13
COUNTER/
CONTROL
COLUMN-
ADDRESS
LATCH
LOGIC
13
BANK
COLUMN-
COUNTER/
CONTROL
ADDRESS
LATCH
BANK
LOGIC
13
ADDRESS
DECODER
BANK0
LATCH
ROW-
&
10
1
ADDRESS
DECODER
BANK0
LATCH
ROW-
&
7
8192
9
1
8192
(8,192 x 1,024 x 16)
SENSE AMPLIFIERS
DM MASK LOGIC
I/O GATING
DECODER
MEMORY
COLUMN
BANK0
ARRAY
16384
1024
(x16)
SENSE AMPLIFIERS
BANK1
DM MASK LOGIC
(8,192 x 512 x 32)
I/O GATING
COLUMN
DECODER
MEMORY
Micron Technology, Inc., reserves the right to change products or specifications without notice.
ARRAY
BANK0
16384
(x32)
512
BANK2
BANK1
BANK3
BANK2
16
BANK3
512Mb: x4, x8, x16 DDR SDRAM
32
16
32
16
LATCH
32
READ
Functional Block Diagrams
LATCH
READ
Out
Out
CK
CK
CK
CK
DRIVERS
DRIVERS
WRITE
WRITE
FIFO
FIFO
&
&
8
8
16
16
CK
CK
In
In
COL0
COL0
MUX
MUX
COL0
COL0
MASK
DATA
MASK
DATA
16
32
2
4
©2000 Micron Technology, Inc. All rights reserved.
GENERATOR
1
1
8
8
2
2
16
16
GENERATOR
REGISTERS
REGISTERS
DQS
16
INPUT
INPUT
DQS
8
DATA
1
1
8
8
2
2
16
16
DATA
2
1
1
8
2
16
DRVRS
DQS
CK
DLL
DRVRS
DQS
1
2
CK
DLL
RCVRS
RCVRS
DQ0–DQ15
LDQS, UDQS
LDM, UDM
DQ0–DQ7
DQS
DM