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: 63/95页
文件大小: 3228K
Figure 28: READ-to-PRECHARGE
CK
CK#
T0
T1
T2
T3
T2n
T3n
T4
T5
T1n
CK
CK#
T0
T1
T2
T3
T2n
T3n
T4
T5
T1n
Command
READ1
NOP
PRE2
NOP
ACT3
Address
Banka,
Col n
Bank a,
(a or all)
Bank a,
Row
Banka,
Col n
Bank a,
(a or all)
Bank a,
Row
DQ4
DQS
CL = 2
tRP
READ1
NOP
PRE2
NOP
ACT3
Command
Address
DQ4
DQS
CL = 3
tRP
Don’t Care
Transitioning Data
DOUT
Notes: 1. BL = 4, or an interrupted burst of 8 or 16.
2. PRE = PRECHARGE command.
3. ACT = ACTIVE command.
4. DOUTn = data-out from column n.
5. Shown with nominal tAC, tDQSCK, and tDQSQ.
6. READ-to-PRECHARGE equals 2 clocks, which enables 2 data pairs of data-out.
7. A READ command with auto precharge enabled, provided tRAS (MIN) is met, would
cause a precharge to be performed at x number of clock cycles after the READ com-
mand, where x = BL/2.
Micron Confidential and Proprietary
Advance
512Mb: x16, x32 Mobile LPDDR SDRAM
READ Operation
PDF: 09005aef83dd2b3e
t67m_512mb_mobile_lpddr.pdf - Rev. B 2/10 EN
66
Micron Technology, Inc. reserves the right to change products or specifications without notice.
2009 Micron Technology, Inc. All rights reserved.
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