W982516BH Datasheet, PDF (1/43 Pages) Winbond – 4M X 4 BANKS X 16 BIT SDRAM

W982516BH
4M × 4 BANKS × 16 BIT SDRAM
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. ELECTRICAL CHARACTERISTICS....................................................................................................7
Absolute Maximum Ratings................................................................................................................7
Recommended DC Operating Conditions ..........................................................................................7
Capacitance ........................................................................................................................................ 7
AC Characteristics and Operating Condition......................................................................................8
DC Characteristics..............................................................................................................................9
8. OPERATION MODE ..........................................................................................................................11
9. FUNCTIONAL DESCRIPTION ..........................................................................................................12
Power-up and Initialization ...............................................................................................................12
Programming Mode Register............................................................................................................12
Bank Activate Command ..................................................................................................................12
Read and Write Access Modes ........................................................................................................12
Burst Read Command ......................................................................................................................13
Burst Write Command ......................................................................................................................13
Read Interrupted by a Read .............................................................................................................13
Read Interrupted by a Write .............................................................................................................13
Write Interrupted by a Write..............................................................................................................13
Write Interrupted by a Read .............................................................................................................13
Burst Stop Command .......................................................................................................................13
Addressing Sequence of Sequential Mode ......................................................................................14
Addressing Sequence of Interleave Mode .......................................................................................14
Auto Precharge Command ...............................................................................................................15
Precharge Command .......................................................................................................................15
Self Refresh Command ....................................................................................................................15
Power-down Mode............................................................................................................................15
No Operation Command...................................................................................................................16
Deselect Command ..........................................................................................................................16
Clock Suspend Mode .......................................................................................................................16
Publication Release Date: December 13, 2001
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Revision A2