参数资料
型号: W989D6CBGX7E
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 32M X 16 DDR DRAM, 5.4 ns, PBGA54
封装: 8 X 9 MM, 0.80 MM PITCH, HALOGEN FREE AND LEAD FREE, VFBGA-54
文件页数: 49/67页
文件大小: 1469K
代理商: W989D6CBGX7E
W989D6CB / W989D2CB
512Mb Mobile LPSDR
Publication Release Date: Jun, 27, 2011
- 53 -
Revision A01-004
10.13 Power Down Mode
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
RAa
CAa
RAa
CAx
RAa
ax0
ax1
ax2
ax3
tSB
tCKS
tSB
tCKS
Active
Power Down Mode
Exit
Precharge
&
Power Down Mode Entry
Device Deselect
Active
Note: The PowerDown Mode is entered by asserting CKE "low".
All Input/Output buffers (except CKE buffers) are turned off in the Power Down mode.
When CKE goes high, command input must be No operation at next CLK rising edge.
Violating refresh requirements during power-down may result in a loss of data.
CLK
DQ
CKE
DQM
Address
A10
BA
WE
CAS
RAS
CS
DSL
Power Down Mode Exit
Power Down Mode
Entry
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