參數(shù)資料
型號(hào)： W3H128M64E2-400SBM
廠商： MICROSEMI CORP-PMG MICROELECTRONICS
元件分類： DRAM
英文描述： DDR DRAM, PBGA208
封裝： 16 X 22 MM, 1 MM PITCH, PLASTIC, BGA-208
文件頁(yè)數(shù)： 13/31頁(yè)
文件大?。?/td> 989K
代理商： W3H128M64E2-400SBM
W3H128M64E-XSBX
20
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
October 2008
Rev. 1
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
W3H128M64E-533SBI DDR DRAM, PBGA208
W3H128M64E-533SBC DDR DRAM, PBGA208
W3H128M72E-533NBC 128M X 72 DDR DRAM, 0.5 ns, PBGA208
W3H128M72E-667NBC 128M X 72 DDR DRAM, 0.5 ns, PBGA208
W3H128M72E-667SBI 128M X 72 DDR DRAM, 1.25 ns, PBGA208
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W3H128M64E-400SBI 制造商:Microsemi Corporation 功能描述:128M X 64 DDR2, 1.8V, 400MHZ, 208PBGA COMMERICAL TEMP. - Bulk
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
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