参数资料
型号: W949D2CBJX5E
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 16M 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: 21/60页
文件大小: 1160K
代理商: W949D2CBJX5E
W949D6CB / W949D2CB
512Mb Mobile LPDDR
Publication Release Date: Jun, 14, 2011
- 28 -
Revision A01-006
7.5.1 Read Command
= Don't Care
(High)
CK
CKE
CS
RAS
CAS
WE
A0-An
CA
AP
BA=BANK Address CA=Coulmn Address AP=Auto
Precharge
BA
BA0,BA1
A10
Enable AP
Disable AP
The basic Read timing parameters for DQs are shown in following figure; they apply to all Read operations.
7.5.2 Basic Read Timing Parameters
CK
tDQSQmax
tAC
tLZ
tQH
tHZ
DO n+3
DO n+2
DO n+1
DO n
tRPRE
tRPST
tDQSCK
tDQSQmax
tAC
tLZ
tQH
tHZ
DO n+3
DO n+2
DO n+1
DO n
tRPRE
tRPST
tDQSCK
= Don,t Care
1)DO n=Data Out from column n
2)All DQ are vaild tAC after the CK edge.
All DQ are valid tDQSQ after the DQS edge, regardless of tAC
DQS
DQ
DQS
DQ
tCK
tACmax
tACmin
tCK
tCH
tCL
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相关代理商/技术参数
参数描述
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W949D2CBJX5I 制造商:Winbond Electronics Corp 功能描述:DRAM Chip Mobile LPDDR SDRAM 512M-Bit 16Mx32 1.8V 90-Pin VFBGA
W949D2CBJX5I TR 制造商:Winbond Electronics Corp 功能描述:512M MDDR, X32, 200MHZ, INDUST
W949D2CBJX6E 制造商:Winbond Electronics Corp 功能描述:DRAM Chip Mobile LPDDR SDRAM 512M-Bit 16Mx32 1.8V 90-Pin VFBGA
W949D2CBJX6ETR 制造商:Winbond Electronics Corp 功能描述:512M MDDR, X32, 166MHZ, 65NM