參數(shù)資料
型號(hào): SAA16M8Yx6xV4TL
廠商: Electronic Theatre Controls, Inc.
英文描述: DOUBLE DATA RATE (DDR) SDRAM
中文描述: 雙數(shù)據(jù)速率(DDR)SDRAM內(nèi)存
文件頁數(shù): 8/13頁
文件大?。?/td> 256K
代理商: SAA16M8YX6XV4TL
128Mb: x4, x8, x16
DDR SDRAM
PDF: 09005aef80505d1b / Source: 09005aef80469e44
128Mb: x4, x8, x16 DDR SDRAM
Rev: 11/23/2004
8
www.spectek.com
SpecTek reserves the right to change products or specifications
without notice.
2001, 2002, 2004 SpecTek
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS,
(continued)
AC CHARACTERISTICS
PARAMETER
SYMBOL
DQS write preamble
DQS write preamble setup time
DQS write postamble
Write recovery time
Internal WRITE to READ command delay
Data valid output window
REFRESH to REFRESH command interval
Average periodic refresh interval
Terminating voltage delay to Vdd
Exit SELF REFRESH to non-READ command
(Part number R only)
Exit SELF REFRESH to READ command
(Part number R only)
-75
-8
MIN
0.25
0
0.4
15
1
tQH - tDQSQ
MAX
MIN
0.25
0
0.4
15
1
tQH - tDQSQ
MAX
UNITS
t
CK
ns
t
CK
ns
t
CK
ns
μs
μs
ns
ns
NOTES
t
WPRE
t
WPRES
t
WPST
t
WR
t
WTR
na
t
REFC
t
REFI
t
VTD
t
XSNR
20, 21
19
0.6
0.6
25
23
23
140.6
15.6
140.6
15.6
0
0
80
75
t
XSRD
200
200
t
CK
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