mt48lc2m32b2 Micron Semiconductor Products, mt48lc2m32b2 Datasheet - Page 6

• Manufacturer Part Number: mt48lc2m32b2
• Description: Synchronous Dram
• Manufacturer: Micron Semiconductor Products

Functional Block Diagram
Figure 1:
PDF: 09005aef811ce1fe/Source: 09005aef811ce1d5
64MSDRAMx32_2.fm - Rev. J 12/08 EN
BA0, BA1
A0–A10,
RAS#
CAS#
WE#
CKE
CLK
CS#
13
2 Meg x 32 SDRAM
ADDRESS
REGISTER
MODE REGISTER
CONTROL
LOGIC
11
COUNTER
REFRESH
11
8
2
11
ADDRESS
2
ROW-
MUX
COUNTER/
CONTROL
COLUMN-
ADDRESS
LATCH
LOGIC
11
BANK
DECODER
ADDRESS
BANK 0
LATCH
ROW-
&
8
6
2048
READ DATA LATCH
SENSE AMPLIFIERS
DQM MASK LOGIC
BANK 0
(2,048 x 256 x 32)
WRITE DRIVERS
I/O GATING
DECODER
COLUMN
MEMORY
ARRAY
BANK0
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(x32)
8192
256
BANK 1
BANK 2
BANK 3
Functional Block Diagram
32
32
4
REGISTER
REGISTER
OUTPUT
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DATA
DATA
INPUT
64Mb: x32 SDRAM
4
32
DQM0–
DQM3
DQ31
DQ0–