mt46h8m16lfcf-75-it Micron Semiconductor Products, mt46h8m16lfcf-75-it Datasheet - Page 7

• Manufacturer Part Number: mt46h8m16lfcf-75-it
• Description: 128mb Mobile Ddr Sdram Mt46h4m32lfb5-6
• Manufacturer: Micron Semiconductor Products

Figure 3:
PDF: 09005aef8331b3e9 / Source: 09005aef8331b3ce
128mb_mobile_ddr_sdram_t35m__2.fm - Rev. B 06/08 EN
BA0, BA1
Address,
CAS#
RAS#
WE#
CKE
CK#
CS#
CK
Functional Block Diagram (4 Meg x 32)
Address
register
Standard mode
Extended mode
register
register
Control
Logic
2
2
Refresh
counter
address
Row-
MUX
Column-
counter/
address
control
Bank
logic
latch
decoder
address
Bank 0
row-
latch
and
Sense amplifiers
DM mask logic
I/O gating
decoder
Column
memory
Bank 0
array
Bank 1
7
Bank 2
Bank 3
Micron Technology, Inc., reserves the right to change products or specifications without notice.
128Mb: x16, x32 Mobile DDR SDRAM
64
64
64
Read
latch
out
CK
CK
drivers
Write
FIFO
and
32
32
CK
in
Functional Block Diagrams
MUX
COL 0
Mask
Data
COL 0
64
8
CK
4
4
32
32
Generator
DQS
registers
32
Input
©2007 Micron Technology, Inc. All rights reserved.
Data
4
4
32
32
2
4
32
DRVRS
DQS
4
RCVRS
Preliminary
DM0
DM1
DM2
DM3
DQS0
DQS1
DQS2
DQS3
DQ0–
DQ31