參數(shù)資料
型號: W972GG8JB-25
廠商: WINBOND ELECTRONICS CORP
元件分類: DRAM
英文描述: 256M X 8 DDR DRAM, 0.4 ns, PBGA60
封裝: 11 X 11.50 MM, ROHS COMPLIANT, WBGA-60
文件頁數(shù): 45/86頁
文件大?。?/td> 1466K
代理商: W972GG8JB-25
W972GG8JB
Publication Release Date: Feb. 18, 2011
- 5 -
Revision A02
3.
KEY PARAMETERS
SYM.
SPEED GRADE
DDR2-1066
DDR2-800
DDR2-667
Bin(CL-tRCD-tRP)
7-7-7
5-5-5/6-6-6
5-5-5
Part Number Extension
-18
-25/25I
-3
tCK(avg)
Average clock period
@CL = 7
Min.
1.875 nS
Max.
7.5 nS
@CL = 6
Min.
2.5 nS
Max.
7.5 nS
8 nS
@CL = 5
Min.
3 nS
2.5 nS
3 nS
Max.
7.5 nS
8 nS
@CL = 4
Min.
3.75 nS
Max.
7.5 nS
8 nS
@CL = 3
Min.
5 nS
Max.
8 nS
tRCD
Active to Read/Write Command Delay Time
Min.
13.125 nS
12.5 nS
15 nS
tRP
Precharge to Active Command Period
Min.
13.125 nS
12.5 nS
15 nS
tRC
Active to Ref/Active Command Period
Min.
58.125 nS
57.5 nS
60 nS
tRAS
Active to Precharge Command Period
Min.
45 nS
IDD0
Operating one bank active-precharge current
Max.
85 mA
72 mA
69 mA
IDD1
Operating one bank active-read-precharge current
Max.
85 mA
80 mA
75 mA
IDD4R
Operating burst read current
Max.
165 mA
135 mA
120 mA
IDD4W
Operating burst write current
Max.
145 mA
120 mA
110 mA
IDD5B
Burst refresh current
Max.
175 mA
160 mA
150 mA
IDD6
Self refresh current (TCASE
85°C)
Max.
12 mA
IDD7
Operating bank interleave read current
Max.
220 mA
200 mA
180 mA
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