Rainbow Electronics W9864G6GB - Manual

W9864G6GB
1M × 4 BANKS × 16 BITS SDRAM
Publication Release Date: August 14, 2006
- 1 - Revision A01
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 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. TABLE OF OPERATING MODES ............................................................................................... 12
8.1 Simplified State Diagram................................................................................................... 13
9. ABSOLUTE MAXIMUM RATING ................................................................................................. 14
10. RECOMMENDED DC OPERATING CONDITIONS .................................................................... 14