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參數(shù)資料
| 型號： | WV3EG128M72EFSR335D3MF |
| 英文描述： | 1GB - 128Mx72 DDR SDRAM REGISTERED w/PLL, FBGA |
| 中文描述： | 1GB的- 128Mx72 DDR SDRAM的注冊瓦特/鎖相環(huán)，F(xiàn)BGA封裝 |
| 文件頁數(shù)： | 9/13頁 |
| 文件大?。?/td> | 334K |
| 代理商： | WV3EG128M72EFSR335D3MF |
9
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
March 2005
Rev. 0
ADVANCED
WV3EG128M72EFSR-D3
DDR SDRAM COMPONENT ELECTRICAL CHARACTERISTICS AND
RECOMMENDED AC OPERATING CONDITIONS (continued)
Notes 1-5, 7; notes appear following parameter tables; 0°C ≤ T
A
≤ +70°C; V
CC
= +2.5V ±0.2V, V
CCQ
= +2.5V ±0.2V
AC Characteristics
335
262
265
Parameter
ACTIVE to READ or WRITE delay
PRECHARGE command period
DQS read preamble
DQS read postamble
ACTIVE bank a to ACTIVE bank b command
DQS write preamble
DQS write preamble setup time
DQS write postamble
Write recovery time
Internal WRITE to READ command delay
Average periodic refresh interval
Exit SELF REFRESH to non-READ command
Exit SELF REFRESH to READ command
Symbol
t
RCD
t
RP
t
RPRE
t
RPST
t
RRD
t
WPRE
t
WPRES
t
WPST
t
WR
t
WTR
t
REFI
t
XSNR
t
XSRD
Min
18
18
0.9
0.4
12
0.25
0
0.4
15
1
Max
Min
20
20
0.9
0.4
15
0.25
0
0.4
15
1
Max
Min
20
20
0.9
0.4
15
0.25
0
0.4
15
1
Max
Units
ns
ns
t
CK
t
CK
ns
t
CK
ns
t
CK
ns
t
CK
μs
ns
t
CK
Notes
1.1
0.6
1.1
0.6
1.1
0.6
19
10,11
9
0.6
0.6
0.6
7.8
7.8
7.8
12
75
200
75
200
75
200
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| WV3EG128M72EFSR335D3MG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx72 DDR SDRAM REGISTERED w/PLL, FBGA |
| WV3EG128M72EFSR335D3SF | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx72 DDR SDRAM REGISTERED w/PLL, FBGA |
| WV3EG128M72EFSR335D3SG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx72 DDR SDRAM REGISTERED w/PLL, FBGA |
| WV3EG128M72EFSR-D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx72 DDR SDRAM REGISTERED w/PLL, FBGA |
| WV3EG216M64STSU335D4MG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 2x16Mx64 DDR SDRAM UNBUFFERED |
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