MT46V16M16TG-75 IT:F Micron Technology Inc, MT46V16M16TG-75 IT:F Datasheet - Page 8
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MT46V16M16TG-75 IT:F
Manufacturer Part Number
MT46V16M16TG-75 IT:F
Description
IC DDR SDRAM 256MBIT 66TSOP
Manufacturer
Micron Technology Inc
Type
DDR SDRAMr
Datasheet
1.MT46V16M16CY-5BK_TR.pdf
(93 pages)
Specifications of MT46V16M16TG-75 IT:F
Format - Memory
RAM
Memory Type
DDR SDRAM
Memory Size
256M (16Mx16)
Speed
7.5ns
Interface
Parallel
Voltage - Supply
2.3 V ~ 2.7 V
Operating Temperature
-40°C ~ 85°C
Package / Case
66-TSOP
Organization
16Mx16
Density
256Mb
Address Bus
15b
Access Time (max)
750ps
Maximum Clock Rate
266MHz
Operating Supply Voltage (typ)
2.5V
Package Type
TSOP
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
2.7V
Operating Supply Voltage (min)
2.3V
Supply Current
185mA
Pin Count
66
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Functional Block Diagrams
Figure 3:
PDF: 09005aef80768abb/Source: 09005aef82a95a3a
256Mb_DDR_x4x8x16_D2.fm - 256Mb DDR: Rev. O, Core DDR: Rev. B 1/09 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/
address
control
13
Bank
latch
logic
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
1024
Bank 1
8192
array
(x8)
8
Bank 2
Bank 3
8
Micron Technology, Inc., reserves the right to change products or specifications without notice.
8
8
READ
latch
256Mb: x4, x8, x16 DDR SDRAM
out
CK
CK
WRITE
drivers
FIFO
and
4
4
CK
Functional Block Diagrams
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