MT46V128M8 MICRON [Micron Technology], MT46V128M8 Datasheet - Page 7

• Manufacturer Part Number: MT46V128M8
• Description: DOUBLE DATA RATE (DDR) SDRAM
• Manufacturer: MICRON [Micron Technology]

09005aef8076894f
1gbDDRx4x8x16_2.fm - Rev. A 3/03 EN
BA0, BA1
A0-A13,
CAS#
RAS#
WE#
CKE
CK#
CS#
CK
16
REGISTER
ADDRESS
MODE REGISTERS
CONTROL
LOGIC
16
Figure 3: Functional Block Diagram 128 Meg x8
COUNTER
REFRESH
14
11
2
14
ADDRESS
2
ROW-
MUX
COLUMN-
COUNTER/
CONTROL
ADDRESS
LATCH
BANK
LOGIC
14
DECODER
ADDRESS
BANK0
LATCH
ROW-
&
10
1
16,384
(16,384 x 1,024 x 16)
SENSE AMPLIFIERS
DM MASK LOGIC
I/O GATING
DECODER
COLUMN
MEMORY
BANK0
ARRAY
1024
BANK1
7
BANK2
(16,384)
BANK3
Micron Technology, Inc., reserves the right to change products or specifications without notice.
8
16
16
LATCH
READ
CK
clk
out
DRIVERS
WRITE
FIFO
8
8
&
clk
in
COL0
MUX
MASK
DATA
COL0
16
2
1Gb: x4, x8, x16
1
1
8
8
GENERATOR
REGISTERS
INPUT
DQS
8
DDR SDRAM
1
1
8
8
DATA
PRELIMINARY
1
1
8
©2003 Micron Technology. Inc.
DQS
1
DRVRS
CK
DLL
RCVRS
DM
DQ0–
DQ7
DQS