參數(shù)資料
型號: WED416S16030A10SI
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: DRAM
英文描述: 16M X 16 SYNCHRONOUS DRAM, 7 ns, PDSO54
封裝: TSOP2-54
文件頁數(shù): 16/26頁
文件大?。?/td> 398K
代理商: WED416S16030A10SI
23
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
White Electronic Designs
WED416S16030A
FIG. 14 ACTIVE/PRECHARGE POWER DOWN MODE @ CAS
LATENCY=2, BURST LENGTH=4
NOTES:
1. Both banks should be in idle state prior to entering precharge power down mode.
2. CKE should be set high at least 1CLK + tss prior to Row active command.
3. Can not violate minimum refresh specification (64ms).
RAS
CAS
ADDR
BA
DQM
A10/AP
CKE
CLOCK
CE
Ra
Ca
DQ
Precharge
Read
Row Active
Precharge
Power-Down
Entry
Precharge
Power-Down
Exit
Active
Power-Down
Entry
Active
Power-Down
Exit
WE
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Note 3
Note 2
tSS
DON'T CARE
tSS
tSHZ
Note 1
Ra
Qa1
Qa0
Qa2
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