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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： 1/60页
文件大小： 1160K
代理商： W949D2CBJX5E
W949D6CB / W949D2CB
512Mb Mobile LPDDR
Publication Release Date: Jun, 14, 2011
- 1 -
Revision A01-006
TABLE OF CONTENTS
1. GENERAL DESCRIPTION ................................................................................................. 4
2. FEATURES ......................................................................................................................... 4
3. PIN CONFIGURATION ....................................................................................................... 5
3.1 Ball Assignment: LPDDR X16 .................................................................................................. 5
3.2 Ball Assignment: LPDDR X32 .................................................................................................. 5
4. PIN DESCRIPTION ............................................................................................................. 6
4.1 Signal Descriptions................................................................................................................... 6
4.2 Addressing Table ..................................................................................................................... 7
5. BLOCK DIAGRAM.............................................................................................................. 8
5.1 Block Diagram .......................................................................................................................... 8
5.2 Simplified State Diagram .......................................................................................................... 9
6. FUNCTION DESCRIPTION ...............................................................................................10
6.1 Initialization ............................................................................................................................ 10
6.1.1 Initialization Flow Diagram .............................................................................................................11
6.1.2 Initialization Waveform Sequence ..................................................................................................12
6.2 Register Definition .................................................................................................................. 12
6.2.1 Mode Register Set Operation.........................................................................................................12
6.2.2 Mode Register Definition ................................................................................................................13
6.2.3. Burst Length ..................................................................................................................................13
6.3 Burst Definition ....................................................................................................................... 14
6.4 Burst Type.............................................................................................................................. 15
6.5 Read Latency ......................................................................................................................... 15
6.6 Extended Mode Register Description ..................................................................................... 15
6.6.1 Extended Mode Register Definition................................................................................................16
6.7 Status Register Read ............................................................................................................. 16
6.7.1 SRR Register (A[n:0] = 0) ..............................................................................................................17
6.7.2 Status Register Read Timing Diagram...........................................................................................18
6.8 Partial Array Self Refresh ....................................................................................................... 19
6.9 Automatic Temperature Compensated Self Refresh............................................................... 19
6.10 Output Drive Strength........................................................................................................... 19
6.11 Commands........................................................................................................................... 19
6.11.1 Basic Timing Parameters for Commands ....................................................................................19
6.11.2 Truth Table - Commands .............................................................................................................20
6.11.3 Truth Table - DM Operations .......................................................................................................21
6.11.4 Truth Table - CKE ........................................................................................................................21
6.11.5 Truth Table - Current State BANKn - Command to BANKn.........................................................22
6.11.6 Truth Table - Current State BANKn, Command to BANKn..........................................................23
7. OPERATION ......................................................................................................................24
7.1. Deselect ................................................................................................................................ 24
7.2. No Operation......................................................................................................................... 24
7.2.1 NOP Command ..............................................................................................................................25
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相关代理商/技术参数
参数描述
W949D2CBJX5ETR 制造商:Winbond Electronics Corp 功能描述:512M MDDR, X32, 200MHZ
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
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