MT46H8M32LFB5-75:A TR Micron Technology Inc, MT46H8M32LFB5-75:A TR Datasheet - Page 7
![IC DDR SDRAM 256MBIT 90VFBGA](/photos/7/23/72313/mfg557-90-vfbga_sml.jpg)
MT46H8M32LFB5-75:A TR
Manufacturer Part Number
MT46H8M32LFB5-75:A TR
Description
IC DDR SDRAM 256MBIT 90VFBGA
Manufacturer
Micron Technology Inc
Datasheet
1.MT46H16M16LFBF-6A_TR.pdf
(79 pages)
Specifications of MT46H8M32LFB5-75:A TR
Format - Memory
RAM
Memory Type
Mobile DDR SDRAM
Memory Size
256M (8Mx32)
Speed
133MHz
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.95 V
Operating Temperature
0°C ~ 70°C
Package / Case
90-VFBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Functional Block Diagrams
Figure 2:
PDF: 09005aef82091978 / Source: 09005aef8209195b
MT46H16M16LF__2.fm - Rev. H 6/08 EN
BA0, BA1
A0–A12,
CAS#
RAS#
WE#
CKE
CK#
CS#
CK
15
Functional Block Diagram (16 Meg x 16)
Address
register
Extended mode
Standard mode
register
register
Control
logic
13
13
9
2
Refresh
counter
address
2
Row-
MUX
13
Counter/
Column-
address
control
13
Bank
latch
logic
decoder
address
Bank 0
Latch
Row-
and
8
1
8,192
Sense amplifiers
(8,192 x 256 x 32)
DM mask logic
I/O gating
decoder
Memory
Column
Bank 0
16,384
(x32)
array
256
Bank 1
7
Bank 2
Bank 3
Micron Technology, Inc., reserves the right to change products or specifications without notice.
256Mb: x16, x32 Mobile DDR SDRAM
32
32
32
Read
latch
out
CK
CK
WRITE
drivers
FIFO
and
16
16
CK
in
MUX
COL 0
MASK
DATA
COL 0
32
4
CK
2
2
16
16
generator
DQS
registers
16
Input
General Description
©2005 Micron Technology, Inc. All rights reserved.
Data
2
2
16
16
2
2
16
DRVRS
DQS
2
RCVRS
DQ0–
DQ15
LDQS,
UDQS
LDM,
UDM
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