参数资料
型号: MT46V32M81AZ4-6T:G
元件分类: DRAM
英文描述: 32M X 4 DDR DRAM, 0.75 ns, PDSO66
封装: 0.400 INCH, PLASTIC, TSOP-66
文件页数: 20/82页
文件大小: 2866K
128Mb: x4, x8, x16
DDR SDRAM
09005aef8074a655
Micron Technology, Inc., reserves the right to change products or specifications without notice.
128MBDDRx4x8x16_2.fm - Rev. J 7/04 EN
27
2000 Micron Technology, Inc. All rights reserved.
Figure 18: READ to WRITE
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 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 tAC, tDQSCK, and tDQSQ.
7. BST = BURST TERMINATE command, page remains open.
CK
CK#
COMMAND
READ
BST7
NOP
ADDRESS
Bank,
Col n
WRITE
Bank,
Col b
T0
T1
T2
T3
T2n
T4
T5
T4n
T5n
CL = 2
DQ
DQS
DM
t
(NOM)
DQSS
DI
b
CK
CK#
COMMAND
READ
BST7
NOP
WRITE
NOP
ADDRESS
Bank a,
Col n
NOP
T0
T1
T2
T3
T2n
T4
T5
T5n
CL = 2.5
DQ
DQS
DO
n
DM
DI
b
DON’T CARE
TRANSITIONING DATA
DO
n
t
(NOM)
DQSS
CK
CK#
COMMAND
READ
BST7
NOP
WRITE
NOP
ADDRESS
Bank a,
Col n
NOP
T0
T1
T2
T3
T3n
T4
T5
T5n
T3n
CL = 3
DQ
DQS
DO
n
DM
DI
b
t
(NOM)
DQSS
Bank,
Col b
Bank,
Col b
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