W9812G6JB Datasheet, PDF (1/42 Pages) Winbond – 2M x 4 BANKS 꼌 16 BITS SDRAM

W9812G6JB
2M  4 BANKS  16 BITS SDRAM
Table of Contents-
1. GENERAL DESCRIPTION .............................................................................................................. 3
2. FEATURES...................................................................................................................................... 3
3. ORDER INFORMATION.................................................................................................................. 3
4. BALL CONFIGURATION................................................................................................................. 4
5. BALL 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
Publication Release Date: Oct. 15, 2013
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Revision A02