PDF預覽

• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• 51
• 52
• 53
• 54
• 55

W9412G6CH

2M

脳

4 BANKS

脳

16 BITS DDR SDRAM

Table of Contents-

1.

2.

3.

4.

5.

6.

7.

GENERAL DESCRIPTION .............................................................................................................. 4

FEATURES ...................................................................................................................................... 4

KEY PARAMETERS ........................................................................................................................ 5

PIN CONFIGURATION .................................................................................................................... 6

PIN DESCRIPTION.......................................................................................................................... 7

BLOCK DIAGRAM ........................................................................................................................... 8

FUNCTIONAL DESCRIPTION......................................................................................................... 9

7.1

7.2

Power Up Sequence ............................................................................................................. 9

Command Function ............................................................................................................... 9

7.2.1

7.2.2

7.2.3

7.2.4

7.2.5

7.2.6

7.2.7

7.2.8

7.2.9

Bank Activate Command ..................................................................................................9

Bank Precharge Command ..............................................................................................9

Precharge All Command ..................................................................................................9

Write Command................................................................................................................9

Write with Auto-precharge Command.............................................................................10

Read Command .............................................................................................................10

Read with Auto-precharge Command ............................................................................10

Mode Register Set Command ........................................................................................10

Extended Mode Register Set Command ........................................................................10

7.2.10 No-Operation Command ................................................................................................11

7.2.11 Burst Read Stop Command............................................................................................11

7.2.12 Device Deselect Command ............................................................................................11

7.2.13 Auto Refresh Command .................................................................................................11

7.2.14 Self Refresh Entry Command .........................................................................................11

7.2.15 Self Refresh Exit Command ...........................................................................................12

7.2.16 Data Write Enable /Disable Command ...........................................................................12

7.3

7.4

7.5

7.6

7.7

7.8

7.9

Read Operation ................................................................................................................... 12

Write Operation ................................................................................................................... 12

Precharge ............................................................................................................................ 13

Burst Termination ................................................................................................................ 13

Refresh Operation ............................................................................................................... 13

Power Down Mode .............................................................................................................. 13

Mode Register Operation .................................................................................................... 14

7.9.1

Burst Length field (A2 to A0) ..........................................................................................14

-1-

Publication Release Date:Jul. 04, 2007

Revision A06

next

W9412G6CH相關型號PDF文件下載

• 型號
  版本
  描述
  廠商
  下載
• W941232AD
  英文版
  128Mb DDR
  Winbond
  W941232AD
• W9412G2CB
  英文版
  1M 】 4 BANKS 】 32 BITS GDDR SDRAM
  WINBOND
  W9412G2CB
• W9412G2CB
  英文版
  1M 】 4 BANKS 】 32 BITS GDDR SDRAM
  WINBOND [W...
  W9412G2CB
• W9412G6CH
  英文版
  2M 】 4 BANKS 】 16 BITS DDR SDRAM
  WINBOND
  W9412G6CH
• W9412G6CH
  英文版
  2M 】 4 BANKS 】 16 BITS DDR SDRAM
  WINBOND [W...
  W9412G6CH

您可能感興趣的PDF文件資料

• W9412G6CH
• W9412G6CH
• W9412G2CB
• W9412G2CB
• W941232AD

熱門IC型號推薦

• WM8766G
• W24257AJ-12
• W39F010P-70B
• W83L351YG
• W29C040P-90B
• WM8766GEDS
• W9825G6EH-75
• W9812G6GH-75
• W83L771AWG
• W144H
• WM8517HCGED
• W29C020C-90B