参数资料
型号: W948D2FBJX5I
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 4M X 32 DDR DRAM, 5 ns, PBGA90
封装: 8 X 13 MM, 0.80 MM PITCH, HALOGEN FREE AND LEAD FREE, VFBGA-90
文件页数: 3/60页
文件大小: 1147K
代理商: W948D2FBJX5I
W948D6FB / W948D2FB
256Mb Mobile LPDDR
Publication Release Date : May, 24, 2011
- 11 -
Revision A01-003
6.1.1 Initialization Flow Diagram
1
VDD and VDDQ Ramp: CKE must be held high
2
Apply stable clocks
3
Wait at least 200us with NOP or DESELECT on command bus
4
PRECHARGE ALL
5
Assert NOP or DESELCT for
tRP time
6
Issue two AUTO REFRESH commands each followed by
NOP or DESELECT commands for
tRFC time
7
Configure Mode Register
8
Assert NOP or DESELECT for
tMRD time
9
Configure Extended Mode Register
10
Assert NOP or DESELECT for
tMRD time
11
LPDDR SDRAM is ready for any valid command
相关PDF资料
PDF描述
W949D6CBHX6G 32M X 16 DDR DRAM, 5 ns, PBGA60
W949D2CBJX5I 16M X 32 DDR DRAM, 5 ns, PBGA90
W949D6CBHX6E 32M X 16 DDR DRAM, 5 ns, PBGA60
W949D2CBJX6G 16M X 32 DDR DRAM, 5 ns, PBGA90
W963B6BBN80E 512K X 16 PSEUDO STATIC RAM, 75 ns, PBGA48
相关代理商/技术参数
参数描述
W948D2FBJX5I TR 制造商:Winbond Electronics Corp 功能描述:256M MDDR, X32, 200MHZ, INDUST
W948D2FBJX6E 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR SDRAM 256M-Bit 8Mx32 1.8V 90-Pin VFBGA 制造商:Winbond Electronics 功能描述:LOW POWER DRAM 制造商:Winbond Electronics Corp 功能描述:IC MEMORY
W948D2FBJX6ETR 制造商:Winbond Electronics Corp 功能描述:256M MDDR, X32, 166MHZ, 65NM
W948D2FBJX6G 制造商:WINBOND 制造商全称:Winbond 功能描述:256Mb Mobile LPDDR
W948D6FB 制造商:WINBOND 制造商全称:Winbond 功能描述:256Mb Mobile LPDDR