W986432DH
´ 4 BANKS ´ 32 BITS SDRAM
512K
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
Power Up and Initialization................................................................................................................7
Programming Mode Register............................................................................................................7
Bank Activate Command ..................................................................................................................7
Read and Write Access Modes ........................................................................................................7
Burst Read Command ......................................................................................................................8
Burst Command................................................................................................................................8
Read Interrupted by a Read..............................................................................................................8
Read Interrupted by a Write..............................................................................................................8
Write Interrupted by a Write..............................................................................................................8
Write Interrupted by a Read..............................................................................................................8
Burst Stop Command .......................................................................................................................8
Addressing Sequence of Sequential Mode.......................................................................................9
Addressing Sequence of Interleave Mode........................................................................................9
Auto-precharge Command .............................................................................................................10
Precharge Command......................................................................................................................10
Self Refresh Command ..................................................................................................................10
Power Down Mode..........................................................................................................................10
No Operation Command.................................................................................................................11
Deselect Command ........................................................................................................................11
Clock Suspend Mode......................................................................................................................11
8. TABLE OF OPERATING MODES .....................................................................................................12
9. SIMPLIFIED STATE DIAGRAM.........................................................................................................13
10. DC CHARACTERISTICS.................................................................................................................14
Absolute Maximum Rating..............................................................................................................14
11. RECOMMENDED DC OPERATING CONDITIONS........................................................................14
12. CAPACITANCE................................................................................................................................14
13. DC CHARACTERISTICS.................................................................................................................15
Publication Release Date: July 30, 2002
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Revision A5