参数资料
型号: MT46H16M32LFB5-6IT:C
元件分类: DRAM
英文描述: 16M X 32 DDR DRAM, PBGA90
封装: 13 X 8 MM, GREEN, PLASTIC, VFBGA-90
文件页数: 77/95页
文件大小: 3228K
Figure 41: WRITE-to-PRECHARGE – Uninterrupting
CK
CK#
Command1
WRITE2,4
NOP
Address
Bank a,
Col b
Bank
(a or all)
NOP
T0
T1
T2
T3
T2n
T4
T5
T1n
T6
DQ6
DQS
DM
DQ6
DQS
DM
DQ6
DQS
DM
Don’t Care
Transitioning Data
tWR5
PRE3,4
tDQSS (NOM)
tDQSS (MIN)
tDQSS (MAX)
tDQSS
DIN
Notes: 1. An uninterrupted burst 4 of is shown.
2. A10 is LOW with the WRITE command (auto precharge is disabled).
3. PRE = PRECHARGE.
4. The PRECHARGE and WRITE commands are to the same device. However, the PRE-
CHARGE and WRITE commands can be to different devices; in this case, tWR is not
required and the PRECHARGE command can be applied earlier.
5. tWR is referenced from the first positive CK edge after the last data-in pair.
6. DINb = data-in for column b.
Micron Confidential and Proprietary
Advance
512Mb: x16, x32 Mobile LPDDR SDRAM
WRITE Operation
PDF: 09005aef83dd2b3e
t67m_512mb_mobile_lpddr.pdf - Rev. B 2/10 EN
79
Micron Technology, Inc. reserves the right to change products or specifications without notice.
2009 Micron Technology, Inc. All rights reserved.
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