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參數(shù)資料
| 型號(hào)： | W3H64M72E-SBM |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 64M X 72 DDR DRAM, PBGA208 |
| 封裝： | 17 X 23 MM, 1 MM PITCH, PLASTIC, BGA-208 |
| 文件頁數(shù)： | 13/30頁 |
| 文件大?。?/td> | 999K |
| 代理商： | W3H64M72E-SBM |
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W3H64M72E-XSBX
20
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
December 2006
Rev. 2
ADVANCED*
White Electronic Designs Corp. reserves the right to change products or specications without notice.
FIGURE 12 – WRITE COMMAND
CS#
WE#
CAS#
RAS#
CKE
CA
A10
BANK ADDRESS
HIGH
EN AP
DIS AP
BA
CK
CK#
DON’T CARE
ADDRESS
Note: CA = column address; BA = bank address; EN AP = enable auto precharge; and
DIS AP = disable auto precharge.
TABLE 4 – WRITE USING CONCURRENT AUTO PRECHARGE
From Command (Bank n)
To Command (Bank m)
Minimum Delay (With Concurrent
Auto Precharge)
Units
WRITE with Auto Precharge
READ OR READ w/AP
(CL-1) + (BL/2) + tWTR
t
CK
WRITE or WRITE w/AP
(BL/2)
t
CK
PRECHARGE or ACTIVE
1
t
CK
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| WF4M8-150OPC5 | 4M X 8 FLASH 5V PROM, 150 ns, CDSO56 |
| WS128K32V-20HS | 512K X 8 MULTI DEVICE SRAM MODULE, 20 ns, HIP66 |
| WS128K32V-25HC | 512K X 8 MULTI DEVICE SRAM MODULE, 25 ns, HIP66 |
| WMD4M4-100F2M | 4M X 4 FAST PAGE DRAM, 100 ns, CDSO24 |
| WMF256K8-70CC5 | 256K X 8 FLASH 5V PROM, 70 ns, CDIP32 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W3H64M72E-XSBX | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:64M x 72 DDR2 SDRAM 208 PBGA Multi-Chip Package |
| W3HG128M64EEU403D4XXG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx64 DDR2 SDRAM UNBUFFERED, SO-DIMM |
| W3HG128M64EEU534D4XXG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx64 DDR2 SDRAM UNBUFFERED, SO-DIMM |
| W3HG128M64EEU665D4XXG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx64 DDR2 SDRAM UNBUFFERED, SO-DIMM |
| W3HG128M64EEU806D4XXG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 128Mx64 DDR2 SDRAM UNBUFFERED, SO-DIMM |
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