參數(shù)資料
型號: W3H128M72E2-400SBC
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: DRAM
英文描述: 128M X 72 DDR DRAM, 0.6 ns, PBGA208
封裝: 16 X 22 MM, 1 MM PITCH, PLASTIC, BGA-208
文件頁數(shù): 13/31頁
文件大?。?/td> 994K
代理商: W3H128M72E2-400SBC
W3H128M72E-XSBX
20
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
October 2008
Rev. 3
PRELIMINARY
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PDF資料
PDF描述
W3H64M72E-400SBCF 64M X 72 DDR DRAM, PBGA208
W3H64M72E-667SBMF 64M X 72 DDR DRAM, PBGA208
W3H64M72E-533SBI 64M X 72 DDR DRAM, 0.5 ns, PBGA208
W3HG2256M72ACER665D6IMG 512M X 72 DDR DRAM MODULE, 0.45 ns, DMA240
W3HG2256M72ACER534D6ISG 512M X 72 DDR DRAM MODULE, 0.5 ns, DMA240
相關代理商/技術參數(shù)
參數(shù)描述
W3H128M72E-400SBC 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 400MHZ, 208PBGA COMMERICAL TEMP. - Bulk
W3H128M72E-400SBI 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 400MHZ, 208PBGA INDUSTRIAL TEMP. - Bulk 制造商:Microsemi Corporation 功能描述:SDRAM MEMORY
W3H128M72E-400SBM 制造商:Microsemi Corporation 功能描述:128M X 72 DDR2, 1.8V, 400MHZ, 208PBGA MIL-TEMP. - Bulk 制造商:Microsemi Corporation 功能描述:SDRAM MEMORY
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