参数资料
型号: W949D6CBHX5E
厂商: Winbond Electronics
文件页数: 1/60页
文件大小: 0K
描述: IC LPDDR SDRAM 512MBIT 60VFBGA
标准包装: 312
格式 - 存储器: RAM
存储器类型: 移动 LPDDR SDRAM
存储容量: 512M(32Mx16)
速度: 200MHz
接口: 并联
电源电压: 1.7 V ~ 1.95 V
工作温度: -25°C ~ 85°C
封装/外壳: 60-TFBGA
供应商设备封装: 60-VFBGA(8x9)
包装: 托盘
W949D6CB / W949D2CB
512Mb Mobile LPDDR
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
Publication Release Date: Sep, 21, 2011
-1-
Revision A01-007
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