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參數(shù)資料
| 型號： | WV3EG232M64STSU335D4SG |
| 英文描述： | 512MB - 2x32Mx64 DDR SDRAM UNBUFFERED |
| 中文描述： | 512MB的- 2x32Mx64 DDR SDRAM內(nèi)存緩沖 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大?。?/td> | 195K |
| 代理商： | WV3EG232M64STSU335D4SG |
10
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WV3EG232M64STSU-D4
September 2005
Rev. 1
PRELIMINARY
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
DDR SDRAM COMPONENT ELECTRICAL CHARACTERISTICS AND
RECOMMENDED AC OPERATING CONDITIONS
0°C ≤ T
A
≤ 70°C, V
CCQ
= 2.5V ±0.2V, V
CC
= 2.5V ±0.2V
Parameter
Symbol
335
Unit
Min
60
72
42
18
18
12
15
1
1
6
0.45
0.45
-0.6
-0.7
-
0.9
0.4
0.75
0
0.25
0.2
0.2
0.35
0.35
0.9
0.75
0.75
0.8
0.8
-0.7
-0.7
0.5
0.5
1.0
0.67
Max
Row cycle time
Refresh row cycle time
Row active time
RAS# to CAS# delay
Row precharge time
Row active to Row active delay
Write recovery time
Last data into Read command
Col. address to Col. address delay
Clock cycle time
Clock high level width
Clock low level width
DQS-out access time from CK/CK#
Output data access time from CK/CK#
Data strobe edge to output data edge
Read Preamble
Read Postamble
CK to valid DQS-in
DQS-in setup time
DQS-in hold time
DQS falling edge to CK rising-setup time
DQS falling edge from CK rising-hold time
DQS-in high level width
DQS-in low level width
DQS-in cycle time
Address and Control Input setup time (fast)
Address and Control Input hold time (fast)
Address and Control Input setup time (slow)
Address and Control Input hold time (slow)
Data-out high impedence time from CK/CK#
Data-out low impedence time from CK/CK#
Input Slew Rate (for input only pins)
Input Slew Rate (for I/O pins)
Output Slew Rate (x4, x8)
Output Slew Rate Matching Ratio (rise to fall)
Note:
AC Timing Parameters are based on
NANYA
components. Other DRAM Manufacturers parameters may be different.
t
RC
t
RFC
t
RAS
t
RCD
t
RP
t
RRD
t
WR
t
WTR
t
CCD
t
CK
t
CH
t
CL
t
DQSCK
t
AC
t
DQSQ
t
RPRE
t
RPST
t
DQSS
t
WPRES
t
WPRE
t
DSS
t
DSH
t
DQSH
t
DQSL
t
DSC
t
IS
t
IH
t
IS
t
IH
t
HZ
t
LZ
t
SL(I)
t
SL(IO)
t
SL(O)
t
SLMR
ns
ns
ns
ns
ns
ns
ns
t
CK
t
CK
ns
t
CK
t
CK
ns
ns
ns
t
CK
t
CK
t
CK
ns
t
CK
t
CK
t
CK
t
CK
t
CK
t
CK
ns
ns
ns
ns
ns
ns
V/ns
V/ns
V/ns
70K
CL=2.5
12
0.55
0.55
+0.6
+0.7
0.4
1.1
0.6
1.25
1.1
+0.7
+0.7
4.5
1.5
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| WV3EG232M64STSU-D4 | 512MB - 2x32Mx64 DDR SDRAM UNBUFFERED |
| WV3EG232M64STSU335D4IMG | 512MB - 2x32Mx64 DDR SDRAM UNBUFFERED |
| WV3EG264M64EFSU335D4MG | 1GB - 2x64Mx64 DDR SDRAM UNBUFFERED |
| WV3EG264M64EFSU335D4SG | 1GB - 2x64Mx64 DDR SDRAM UNBUFFERED |
| WV3EG264M64EFSU-D4 | 1GB - 2x64Mx64 DDR SDRAM UNBUFFERED |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WV3EG232M64STSU-D4 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 2x32Mx64 DDR SDRAM UNBUFFERED |
| WV3EG264M64EFSU262D4-MG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB- 2x64Mx64 DDR SDRAM UNBUFFERED, w/PLL |
| WV3EG264M64EFSU262D4-SG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB- 2x64Mx64 DDR SDRAM UNBUFFERED, w/PLL |
| WV3EG264M64EFSU265D4-MG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB- 2x64Mx64 DDR SDRAM UNBUFFERED, w/PLL |
| WV3EG264M64EFSU265D4-SG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB- 2x64Mx64 DDR SDRAM UNBUFFERED, w/PLL |
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