W948D6FB / W948D2FB
256Mb Mobile LPDDR
6.7.1 SRR Register (A[n:0] = 0)
X
16 15
13 12 11 10
8
7
4
3
0
Rising Edge of DQ Bus
Reserved(0)
Density DT DW
Refresh
Rate
Revision Manufacturer
Identification Identification
SRR Register 0
DQ15 DQ14 DQ13
Density
DQ3
DQ2
DQ1
DQ0
Manufacturer
0
0
0
0
0
1
128
256
1
0
0
0
Winbond
0
0
1
1
1
1
1
1
0
0
1
1
0
1
0
1
0
1
512
1024
2048
Reserved
Reserved
64
DQ12 Device Type
0
1
LPDDR
Reserved
DQ10
DQ9
DQ8
Refresh Rate
DQ7:4 Revision ID
DQ11
0
1
Device
Width
16 bits
32 bits
1
1
1
1
0
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
x
Reserved
0.25
Reserved
1
Reserved
Reserved
Reserved
(See Note 1)
Note 1 : The manufacture?s revision number
starts at ? 0000 ? and increments by ? 0001 ? each
time a change in the manufacturer?s
specification(AC timings, or feature set), IBIS
(pull up or pull down characteristics), or
process occurs.
Note 2 : The refresh rate mulitiplier is based on the menory?s temperature sensor .
Note 3 : Required average periodic refresh interval = tREFI * multiplier.
Publication Release Date : Oct, 15, 2012
- 17 -
Revision : A01-004
相关PDF资料
W949D2CBJX5E IC LPDDR SDRAM 512MBIT 90VFBGA
W971GG6JB25I IC DDR2 SDRAM 1GBIT 84WBGA
W971GG8JB-25 IC DDR2 SDRAM 1GBIT 60WBGA
W9725G6IB-25 IC DDR2-800 SDRAM 256MB 84-WBGA
W9725G6JB25I IC DDR2 SDRAM 256MBIT 84WBGA
W9725G6KB-25I IC DDR2 SDRAM 256MBIT 84WBGA
W972GG6JB-3I IC DDR2 SDRAM 2GBITS 84WBGA
W9751G6IB-25 IC DDR2-800 SDRAM 512MB 84-WBGA
相关代理商/技术参数
W948D2FBJX5ETR 制造商:Winbond Electronics Corp 功能描述:256M MDDR, X32, 200MHZ
W948D2FBJX5I 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 Corp 功能描述:IC MEMORY
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
W948D6FBHX5E 功能描述:IC LPDDR SDRAM 256MBIT 60VFBGA RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1 系列:- 格式 - 存储器:闪存 存储器类型:闪存 - NAND 存储容量:4G(256M x 16) 速度:- 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:48-TFSOP(0.724",18.40mm 宽) 供应商设备封装:48-TSOP I 包装:Digi-Reel® 其它名称:557-1461-6