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W9812G6IH-75 Datasheet

  • W9812G6IH-75

  • high-speed synchronous dynamic random access memory (SDRAM)

  • 42頁

  • WINBOND

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W9812G6IH
2M X 4 BANKS X 16 BITS SDRAM
Table of Contents-
1.
2.
3.
4.
5.
6.
7.
GENERAL DESCRIPTION .............................................................................................................. 3
FEATURES...................................................................................................................................... 3
AVAILABLE PART NUMBER .......................................................................................................... 3
PIN CONFIGURATION.................................................................................................................... 4
PIN DESCRIPTION ......................................................................................................................... 5
BLOCK DIAGRAM........................................................................................................................... 6
FUNCTIONAL DESCRIPTION ........................................................................................................ 7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
7.16
7.17
7.18
7.19
7.20
8.
9.
Power Up and Initialization ................................................................................................. 7
Programming Mode Register .............................................................................................. 7
Bank Activate Command .................................................................................................... 7
Read and Write Access Modes .......................................................................................... 7
Burst Read Command ........................................................................................................ 8
Burst Write Command......................................................................................................... 8
Read Interrupted by a Read ............................................................................................... 8
Read Interrupted by a Write................................................................................................ 8
Write Interrupted by a Write ................................................................................................ 8
Write Interrupted by a Read................................................................................................ 8
Burst Stop Command.......................................................................................................... 9
Addressing Sequence of Sequential Mode......................................................................... 9
Addressing Sequence of Interleave Mode.......................................................................... 9
Auto-precharge Command................................................................................................ 10
Precharge Command........................................................................................................ 10
Self Refresh Command..................................................................................................... 10
Power Down Mode............................................................................................................ 11
No Operation Command ................................................................................................... 11
Deselect Command .......................................................................................................... 11
Clock Suspend Mode........................................................................................................ 11
OPERATION MODE...................................................................................................................... 12
ELECTRICAL CHARACTERISTICS ............................................................................................. 13
9.1
9.2
9.3
Absolute Maximum Ratings .............................................................................................. 13
Recommended DC Operating Conditions ........................................................................ 13
Capacitance ...................................................................................................................... 13
Publication Release Date:Jun. 05, 2008
Revision A03
-1-

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