W9825G6JH_13 Datasheet, PDF (1/43 Pages) Winbond – 4 M x 4 BANKS x 16 BITS SDRAM

W9825G6JH
4 M  4 BANKS  16 BITS SDRAM
Table of Contents-
1. GENERAL DESCRIPTION ......................................................................................................... 3
2. FEATURES ................................................................................................................................. 3
3. ORDER INFORMATION ............................................................................................................. 4
4. PIN CONFIGURATION ............................................................................................................... 5
5. PIN DESCRIPTION..................................................................................................................... 6
6. BLOCK DIAGRAM ...................................................................................................................... 7
7. FUNCTIONAL DESCRIPTION.................................................................................................... 8
7.1 Power Up and Initialization ............................................................................................. 8
7.2 Programming Mode Register .......................................................................................... 8
7.3 Bank Activate Command ................................................................................................ 8
7.4 Read and Write Access Modes ...................................................................................... 8
7.5 Burst Read Command .................................................................................................... 9
7.6 Burst Write Command .................................................................................................... 9
7.7 Read Interrupted by a Read ........................................................................................... 9
7.8 Read Interrupted by a Write............................................................................................ 9
7.9 Write Interrupted by a Write ............................................................................................ 9
7.10 Write Interrupted by a Read............................................................................................ 9
7.11 Burst Stop Command ..................................................................................................... 9
7.12 Addressing Sequence of Sequential Mode .................................................................. 10
7.13 Addressing Sequence of Interleave Mode.................................................................... 10
7.14 Auto-precharge Command ........................................................................................... 11
7.15 Precharge Command.................................................................................................... 11
7.16 Self Refresh Command ................................................................................................ 11
7.17 Power Down Mode ....................................................................................................... 12
7.18 No Operation Command ............................................................................................... 12
7.19 Deselect Command ...................................................................................................... 12
7.20 Clock Suspend Mode.................................................................................................... 12
8. OPERATION MODE ................................................................................................................. 13
9. ELECTRICAL CHARACTERISTICS ......................................................................................... 14
9.1 Absolute Maximum Ratings .......................................................................................... 14
9.2 Recommended DC Operating Conditions .................................................................... 14
Publication Release Date: Dec. 24, 2013
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Revision A07