W982516BH Datasheet, PDF (2/43 Pages) Winbond – 4M X 4 BANKS X 16 BIT SDRAM

W982516BH
10. TIMING WAVEFORMS....................................................................................................................17
Command Input Timing ..................................................................................................................17
Read Timing ...................................................................................................................................18
Control Timing of Input/Output Data...............................................................................................19
Mode Register Set Cycle ................................................................................................................20
11. OPERATING TIMING EXAMPLE ....................................................................................................21
Interleaved Bank Read (Burst Length = 4, CAS Latency = 3)........................................................21
Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Auto Precharge).............................22
Interleaved Bank Read (Burst Length = 8, CAS Latency = 3)........................................................23
Interleaved Bank Read (Burst Length = 8, CAS Latency = 3, Auto Precharge).............................24
Interleaved Bank Write (Burst Length = 8) .....................................................................................25
Interleaved Bank Write (Burst Length = 8, Auto Precharge) ..........................................................26
Page Mode Read (Burst Length = 4, CAS Latency = 3) ................................................................27
Page Mode Read/Write (Burst Length = 8, CAS Latency = 3) .......................................................28
Auto Precharge Read (Burst Length = 4, CAS Latency = 3)..........................................................29
Auto Precharge Write (Burst Length = 4) .......................................................................................30
Auto Refresh Cycle.........................................................................................................................31
Self Refresh Cycle ..........................................................................................................................32
Burst Read and Single Write (Burst Length = 4, CAS Latency = 3)...............................................33
Power-down Mode..........................................................................................................................34
Auto Precharge Timing (Read Cycle).............................................................................................35
Auto Precharge Timing (Write Cycle) .............................................................................................36
Timing Chart of Read to Write Cycle ..............................................................................................37
Timing Chart of Write to Read Cycle ..............................................................................................37
Timing Chart of Burst Stop Cycle (Burst Stop Command) .............................................................38
Timing Chart of Burst Stop Cycle (Precharge Command) .............................................................38
CKE/DQM Input Timing (Write Cycle) ............................................................................................39
CKE/DQM Input Timing (Read Cycle) ............................................................................................40
Self Refresh/Power-down Mode Exit Timing ..................................................................................41
12. PACKAGE DIMENSION ..................................................................................................................43
54L TSOP (II)-400 mil.....................................................................................................................43
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