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參數(shù)資料
| 型號： | W3H128M72E-400SBM |
| 廠商： | MICROSEMI CORP-PMG MICROELECTRONICS |
| 元件分類： | DRAM |
| 英文描述： | 128M X 72 DDR DRAM, 1.35 ns, PBGA208 |
| 封裝： | 16 X 22 MM, 1 MM PITCH, PLASTIC, BGA-208 |
| 文件頁數(shù)： | 13/32頁 |
| 文件大?。?/td> | 988K |
| 代理商： | W3H128M72E-400SBM |
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W3H128M72E-XSBX
20
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
September 2009
Rev. 6
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
tCK
WRITE or WRITE w/AP
(BL/2)
tCK
PRECHARGE or ACTIVE
1
tCK
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| W3H128M72E-533NBI | 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 533MHZ, 208PBGA IND TEMP. - Bulk |
| W3H128M72E-533SBC | 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 533MHZ, 208PBGA COMMERICAL TEMP. - Bulk |
| W3H128M72E-533SBI | 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 533MHZ, 208PBGA INDUSTRIAL TEMP. - Bulk 制造商:Microsemi Corporation 功能描述:SDRAM MEMORY |
| W3H128M72E-533SBM | 制造商:Microsemi Corporation 功能描述:SDRAM MEMORY |
| W3H128M72E-667SBC | 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 667MHZ, 208PBGA COMMERICAL TEMP. - Bulk |
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