MT46V128M8 MICRON [Micron Technology], MT46V128M8 Datasheet - Page 6

• 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,
RAS#
CAS#
WE#
CKE
CK#
CS#
CK
16
ADDRESS
REGISTER
MODE REGISTERS
CONTROL
LOGIC
16
Figure 2: Functional Block Diagram 256 Meg x4
COUNTER
REFRESH
14
12
2
14
ADDRESS
2
ROW-
MUX
COUNTER/
CONTROL
COLUMN-
ADDRESS
LATCH
LOGIC
BANK
14
DECODER
ADDRESS
BANK0
LATCH
ROW-
&
11
1
16,384
(16,384 x 2,048 x 8)
SENSE AMPLIFIERS
DM MASK LOGIC
I/O GATING
DECODER
MEMORY
COLUMN
BANK0
ARRAY
2048
BANK1
6
BANK2
(16,384)
BANK3
Micron Technology, Inc., reserves the right to change products or specifications without notice.
8
8
8
LATCH
READ
CK
clk
out
DRIVERS
WRITE
FIFO
4
4
&
clk
in
MUX
COL0
MASK
DATA
COL0
8
2
1Gb: x4, x8, x16
1
1
4
4
GENERATOR
REGISTERS
INPUT
DQS
4
DDR SDRAM
1
1
4
4
DATA
PRELIMINARY
1
1
4
1
©2003 Micron Technology. Inc.
DRVRS
DQS
CK
DLL
RCVRS
DM
DQ0–
DQ3
DQS