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参数资料
| 型号： | W3EG7266S403BD4IG |
| 厂商： | MICROSEMI CORP-PMG MICROELECTRONICS |
| 元件分类： | DRAM |
| 英文描述： | 64M X 72 DDR DRAM MODULE, 0.7 ns, DMA200 |
| 封装： | ROHS COMPLIANT, SO-DIMM-200 |
| 文件页数： | 12/13页 |
| 文件大小： | 191K |
| 代理商： | W3EG7266S403BD4IG |
W3EG7266S-AD4
-BD4
8
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
October 2004
Rev. 7
PRELIMINARY
DDR SDRAM COMPONENT ELECTRICAL CHARACTERISTICS AND RECOMMENDED
AC OPERATING CONDITIONS (Continued)
DDR400: VCC = VCCQ = +2.6V ± 0.1V
AC CHARACTERISTICS
403
355
262
265
202
PARAMETER
SYMBOL MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX UNITS NOTES
DQS write postamble
tWPST
0.4
0.6
0.4
0.6
0.4
0.6
0.4
0.6
0.4
0.6
tCK
17
Write recovery time
tWR
15
ns
Internal WRITE to READ command delay
tWTR
21111
tCK
Data valid output window
na
tQH - tDQSQ
tQH - tDQSQ
ns
22
REFRESH to REFRESH command interval
tREFC
70.3
s
21
Average periodic refresh interval
tREFI
7.8
s
21
Terminating voltage delay to VCC
tVTD
00000
ns
Exit SELF REFRESH to non-READ command
tXSNR
75
80
ns
Exit SELF REFRESH to READ command
tXSRD
200
tCK
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相关代理商/技术参数 |
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|---|---|
| W3EG7266S-AD4 | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
| W3EG7266S-BD4 | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
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