MT46V64M4P-5B:K Micron Technology Inc, MT46V64M4P-5B:K Datasheet - Page 7
MT46V64M4P-5B:K
Manufacturer Part Number
MT46V64M4P-5B:K
Description
IC SDRAM 256MB 200MHZ 66TSOP
Manufacturer
Micron Technology Inc
Series
-r
Datasheet
1.MT46V64M4P-5BK.pdf
(90 pages)
Specifications of MT46V64M4P-5B:K
Format - Memory
RAM
Memory Type
DDR SDRAM
Memory Size
256M (64Mx4)
Speed
5ns
Interface
Parallel
Voltage - Supply
2.5 V ~ 2.7 V
Operating Temperature
0°C ~ 70°C
Package / Case
66-TSOP (0.400", 10.16mm Width)
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Functional Block Diagrams
Figure 3:
PDF: 09005aef80768abb/Source: 09005aef82a95a3a
256Mb_DDR_x4x8x16_D2.fm - 256Mb DDR: Rev. P, Core DDR: Rev. D 2/11 EN
BA0, BA1
A0–A12,
RAS#
CAS#
WE#
CKE
CK#
CS#
CK
15
Address
register
Mode registers
64 Meg x 4 Functional Block Diagram
15
Control
logic
counter
13
Refresh
11
The 256Mb DDR SDRAM is a high-speed CMOS, dynamic random-access memory
containing 268,435,456 bits. It is internally configured as a 4-bank DRAM.
2
13
2
address
Row-
MUX
Column-
counter/
control
address
13
Bank
logic
latch
decoder
address
Bank 0
latch
row-
and
10
1
8192
(8,192 x 1,024 x 8)
Sense amplifiers
DM mask logic
I/O gating
decoder
Column
memory
Bank 0
8192
1024
Bank 1
(x8)
array
7
Bank 2
Bank 3
8
Micron Technology, Inc., reserves the right to change products or specifications without notice.
8
8
256Mb: x4, x8, x16 DDR SDRAM
READ
latch
out
CK
CK
WRITE
drivers
FIFO
and
4
4
Functional Block Diagrams
CK
in
Column 0
Column 0
MUX
Mask
Data
8
2
1
1
4
4
generator
registers
Input
©2003 Micron Technology, Inc. All rights reserved.
DQS
4
Data
1
1
4
4
1
1
4
1
DQS
Drivers
DLL
CK
Rcvrs
DQ0–DQ3
DQS
DM
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