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W9812G6JH
2M
× 4 BANKS × 16 BITS SDRAM
Publication Release Date: Sep. 08, 2010
- 1 -
Revision A04
Table of Contents-
1.
GENERAL DESCRIPTION .............................................................................................................. 3
2.
FEATURES...................................................................................................................................... 3
3.
AVAILABLE PART NUMBER .......................................................................................................... 3
4.
PIN CONFIGURATION.................................................................................................................... 4
5.
PIN DESCRIPTION ......................................................................................................................... 5
6.
BLOCK DIAGRAM........................................................................................................................... 6
7.
FUNCTIONAL DESCRIPTION ........................................................................................................ 7
7.1
Power Up and Initialization ................................................................................................. 7
7.2
Programming Mode Register.............................................................................................. 7
7.3
Bank Activate Command .................................................................................................... 7
7.4
Read and Write Access Modes .......................................................................................... 7
7.5
Burst Read Command ........................................................................................................ 8
7.6
Burst Write Command......................................................................................................... 8
7.7
Read Interrupted by a Read ............................................................................................... 8
7.8
Read Interrupted by a Write................................................................................................ 8
7.9
Write Interrupted by a Write ................................................................................................ 8
7.10
Write Interrupted by a Read................................................................................................ 8
7.11
Burst Stop Command.......................................................................................................... 9
7.12
Addressing Sequence of Sequential Mode......................................................................... 9
7.13
Addressing Sequence of Interleave Mode.......................................................................... 9
7.14
Auto-precharge Command................................................................................................ 10
7.15
Precharge Command........................................................................................................ 10
7.16
Self Refresh Command..................................................................................................... 10
7.17
Power Down Mode............................................................................................................ 11
7.18
No Operation Command ................................................................................................... 11
7.19
Deselect Command .......................................................................................................... 11
7.20
Clock Suspend Mode........................................................................................................ 11
8.
OPERATION MODE...................................................................................................................... 12
9.
ELECTRICAL CHARACTERISTICS ............................................................................................. 13
9.1
Absolute Maximum Ratings .............................................................................................. 13
9.2
Recommended DC Operating Conditions ........................................................................ 13