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W947D6HBHX5E 参数 Datasheet PDF下载

W947D6HBHX5E图片预览

型号：	W947D6HBHX5E
PDF下载：	下载PDF文件查看货源
内容描述：	128MB LPDDR手机 [128Mb Mobile LPDDR]
分类和应用：	存储内存集成电路光电二极管动态存储器双倍数据速率手机时钟
文件页数/大小：	60 页 / 1070 K
品牌：	WINBOND [ WINBOND ]

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W947D6HB / W947D2HB

128Mb 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

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Publication Release Date:Jun,17, 2011

Revision A01-003

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