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参数资料
| 型号： | WV3HG264M72EEU534D4-SG |
| 厂商： | MICROSEMI CORP-PMG MICROELECTRONICS |
| 元件分类： | DRAM |
| 英文描述： | 128M X 72 DDR DRAM MODULE, 0.5 ns, DMA200 |
| 封装： | ROHS COMPLIANT, SO-DIMM-200 |
| 文件页数： | 8/10页 |
| 文件大小： | 160K |
| 代理商： | WV3HG264M72EEU534D4-SG |
WV3HG264M72EEU-D4
August 2005
Rev. 0
ADVANCED
7
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
AC TIMING PARAMETERS (continued)
0°C ≤ TCASE < +70°C; VCCQ = + 1.8V ± 0.1V, VCC = +1.8V ± 0.1V
Parameter
Symbol
534
403
Units
min
max
min
max
Write recovery time
tWR
15
—
15
—
ns
Auto precharge write recovery + precharge time
tDAL
tWR+tRP
—tWR+tRP
—tCK
Internal write to read command delay
tWTR
7.5
—
10
—
ns
Internal read to precharge command delay
tRTP
7.5
ns
Exit self refresh to a non-read command
tXSNR
tRFC + 10
ns
Exit self refresh to a read command
tXSRD
200
tCK
Exit precharge power down to any non-read command
tXP
2—2—
tCK
Exit active power down to read command
tXARD
2—2—
tCK
Exit active power down to read command
(Slow exit, Lower power)
tXARDS
6 - AL
tCK
CKE minimum pulse width (high and low pulse width)
tCKE
33
tCK
ODT turn-on delay
tAOND
2222
tCK
ODT turn-on
tAON
tAC(min)
tAC(max) +1
tAC(min)
tAC(max) +1
ns
ODT turn-on (Power-Down mode)
tAONPD
tAC(min) +2
2tCK +tAC
(max) +1
tAC(min) +2
2tCK +tAC
(max) +1
ns
ODT turn-off delay
tAOFD
2.5
tCK
ODT turn-off
tAOF
tAC(min)
tAC(max)
+0.6
tAC(min)
tAC(max)
+0.6
ns
ODT turn-off (Power-Down mode)
tAOFPD
tAC(min) +2
2.5tCK
+tAC(max)
+1
tAC(min) +2
2.5tCK
+tAC(max)
+1
ns
ODT to power down entry latency
tANPD
33
tCK
ODT power down exit latency
tAXPD
88
tCK
OCD drive mode output delay
tOIT
012012
ns
Minimum time clocks remains ON after CKE asynchronously
drops LOW
tDelay
tIS+tCK +tIH
ns
NOTE: AC timing parameters are based on Samsung components. Other DRAM manufacturers parameters may be different.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| WV3HG264M72EEU534D6GG | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED |
| WV3HG264M72EEU534D6MG | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED |
| WV3HG264M72EEU534D6SG | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED |
| WV3HG264M72EEU534D7IMG | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED, w/PLL, Mini-DIMM |
| WV3HG264M72EEU534D7ISG | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED, w/PLL, Mini-DIMM |
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