參數(shù)資料
型號: W3EG64128S403JD3MG
廠商: MICROSEMI CORP-PMG MICROELECTRONICS
元件分類: DRAM
英文描述: 128M X 64 DDR DRAM MODULE, 0.7 ns, DMA184
封裝: ROHS COMPLIANT, DIMM-184
文件頁數(shù): 11/12頁
文件大小: 294K
代理商: W3EG64128S403JD3MG
White Electronic Designs
8
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
December 2006
Rev. 6
W3EG64128S-D3
-JD3
ADVANCED
DDR SDRAM COMPONENT ELECTRICAL CHARACTERISTICS AND
RECOMMENDED AC OPERATING CONDITIONS (continued)
DDR400: VCC = VCCQ = +2.6V ± 0.1V; DDR333, 266, 299: VCC = VCCQ = +2.5V ± 0.2V
AC Characteristics
403
335
262/263/265
202
Parameter
Symbol
Min
Max
Min
Max
Min
Max
Min
Max
Units
Notes
ACTIVE to READ or WRITE delay
tRCD
15
20
ns
PRECHARGE command period
tRP
15
20
ns
DQS read preamble
tRPRE
0.9
1.1
0.9
1.1
0.9
1.1
0.9
1.1
tCK
DQS read postamble
tRPST
0.4
0.6
0.4
0.6
0.4
0.6
0.4
0.6
tCK
ACTIVE bank a to ACTIVE bank b command
tRRD
10
12
15
ns
DQS write preamble
tWPRE
0.25
tCK
DQS write preamble setup time
tWPRES
0000
ns
10,11
DQS write postamble
tWPST
0.4
0.6
0.4
0.6
0.4
0.6
0.4
0.6
tCK
9
Write recovery time
tWR
15
ns
Internal WRITE to READ command delay
tWTR
2111
tCK
Data valid output window
NA
tQH-tDQSQ
ns
13
REFRESH to REFRESH command interval
tREFC
70.3
μs12
Average periodic refresh interval
tREFI
7.8
μs12
Terminating voltage delay to VCC
tVTD
0000
ns
Exit SELF REFRESH to non-READ command
tXSNR
70
75
ns
Exit SELF REFRESH to READ command
tXSRD
200
tCK
相關(guān)PDF資料
PDF描述
W3EG6418S202JD3 16M X 64 DDR DRAM MODULE, 0.75 ns, DMA184
W3EG72256S263JD3SG 256M X 72 DDR DRAM MODULE, 0.75 ns, DMA184
W3HG2128M64EEU403XD4IMG 256M X 64 DDR DRAM MODULE, 0.6 ns, ZMA200
W7MG21M32SVB90BNI 2M X 32 FLASH 3.3V PROM MODULE, 90 ns, SMA80
W7NCF02GH30IS4HG 128M X 16 FLASH 3.3V PROM CARD, 150 ns, UUC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W3EG64128S-AD4 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR SDRAM UNBUFFERED w/PLL
W3EG64128S-BD4 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR SDRAM UNBUFFERED w/PLL
W3EG64128S-D3 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR SDRAM UNBUFFERED
W3EG64128S-JD3 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR SDRAM UNBUFFERED
W3EG64129S202D3 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1G- 128Mx64 DDR SDRAM UNBUFFERED