參數(shù)資料
型號(hào): W3E232M16S-400STC
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類(lèi): DRAM
英文描述: 64M X 16 DDR DRAM, 0.7 ns, PDSO66
封裝: 0.400 X 0.875 INCH, 0.65 MM PITCH, TSOP2-66
文件頁(yè)數(shù): 7/22頁(yè)
文件大小: 0K
代理商: W3E232M16S-400STC
W3E232M16S-XSTX
15
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
December 2005
Rev. 1
White Electronic Designs Corp. reserves the right to change products or specications without notice.
PRELIMINARY*
ELECTRICAL CHARACTERISTICS & RECOMMENDED AC OPERATING CONDITIONS DDR400
-40°C ≤ TA ≤ +85°C; VCCQ = +2.5V ±0.2V, VCC = +2.6V ±0.1V Notes: 1-5, 14-17. 33
AC Characteristics
DDR400
Unit
Notes
Parameter
Symbol
Min
Max
Data valid output window (DVW)
tWTR
2tCK
REFRESH to REFRESH command interval
N/A
tQH - tDQSQ
ns
25
Average periodic refresh interval
tREFC
70.3
s
23
Internal WRITE to READ command delay
tREFI
7.8
s
23
Terminating voltage delay to VDD
tVTD
0ns
Exit SELF REFRESH to non-READ command
tXSNR
70
ns
Exit SELF REFRESH to READ command
tXSRD
200
tCK
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