參數(shù)資料
型號: MT46V4M32
廠商: Micron Technology, Inc.
英文描述: DOUBLE DATA RATE DDR SDRAM
中文描述: 雙倍數(shù)據(jù)速率的DDR SDRAM內(nèi)存
文件頁數(shù): 22/66頁
文件大?。?/td> 1921K
代理商: MT46V4M32
22
128Mb: x32 DDR SDRAM
4M32DDR_B.p65 – Rev. B, Pub. 7/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2002, Micron Technology, Inc.
128Mb: x32
DDR SDRAM
ADVANCE
Figure 12
READ to WRITE
CK
CK#
COMMAND
READ
BST
7
NOP
NOP
NOP
ADDRESS
Bank,
Col
n
WRITE
Bank,
Col
b
Bank,
Col
b
t
DQSS
(MIN)
T0
T1
T2
T3
T2n
T4
T5
T4n
T5n
NOTE
: 1. DO
n
= data-out from column
n
.
2. DI
b
= data-in from column
b
.
3. Burst length = 4 in the cases shown (applies for bursts of 8 and full page as well; if the burst
length is 2, the BST command shown can be NOP).
4. One subsequent element of data-out appears in the programmed order following DO
n.
5. Data-in elements are applied following DI
b
in the programmed order
.
6. Shown with nominal
t
AC,
t
DQSCK, and
t
DQSQ.
7. BST = BURST TERMINATE command.
CL = 2
DQ
DQS
DM
t
DQSS
(MIN)
DI
b
CK
CK#
COMMAND
READ
BST
7
NOP
WRITE
NOP
ADDRESS
Bank
a
,
Col
n
NOP
T0
T1
T2
T3
T4
T5
T5n
CL = 3
DQ
DQS
DO
n
DM
DI
b
DI
b
DON T CARE
TRANSITIONING DATA
DO
n
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