W9864G2JH_13 Datasheet, PDF (1/43 Pages) Winbond – 512K x 4 BANKS x 32BITS SDRAM

W9864G2JH
512K  4 BANKS  32BITS SDRAM
Table of Contents-
1. GENERAL DESCRIPTION ......................................................................................................... 3
2. FEATURES ................................................................................................................................. 3
3. ORDER INFORMATION ............................................................................................................. 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 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
8.1 Simplified Stated Diagram ............................................................................................ 13
9. ELECTRICAL CHARACTERISTICS ......................................................................................... 14
9.1 Absolute Maximum Ratings .......................................................................................... 14
9.2 Recommended DC Operating Conditions .................................................................... 14
Publication Release Date: Oct. 07, 2013
-1-
Revision A02