mt46h8m16lfcf-75-it Micron Semiconductor Products, mt46h8m16lfcf-75-it Datasheet - Page 6

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

Functional Block Diagrams
Figure 2:
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 (8 Meg x 16)
Address
register
Standard mode
Extended mode
register
register
Control
logic
2
2
counter
Refresh
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
memory
Column
Bank 0
array
Bank 1
6
Bank 2
Bank 3
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128Mb: x16, x32 Mobile DDR SDRAM
32
32
32
Read
latch
out
CK
CK
Drivers
Write
FIFO
and
16
16
CK
in
Functional Block Diagrams
MUX
COL 0
MASK
Data
COL0
32
4
CK
2
2
16
16
Generator
DQS
registers
16
Input
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Data
2
2
16
16
2
2
16
DRVRS
DQS
2
RCVRS
Preliminary
LDM,
UDM
LDQS,
UDQS
DQ0–
DQ15