W9864G6DB Datasheet, PDF (2/48 Pages) Winbond – 1M x 4 BANKS x 16 BITS SDRAM

W9864G6DB
DC Characteristics .......................................................................................................................... 15
9. AC CHARACTERISTICS .................................................................................................................. 16
10. TIMING WAVEFORMS ................................................................................................................... 19
Command Input Timing ................................................................................................................... 19
Read Timing .................................................................................................................................... 20
Control Timing of Input Data ........................................................................................................... 21
Control Timing of Output Data ........................................................................................................ 22
Mode Register Set Cycle ................................................................................................................ 23
11. OPERATING TIMING EXAMPLE.................................................................................................... 24
Interleaved Bank Read (Burst Length = 4, CAS Latency = 3) ........................................................ 24
Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Auto Precharge) ............................. 25
Interleaved Bank Read (Burst Length = 8, CAS Latency = 3) ........................................................ 26
Interleaved Bank Read (Burst Length = 8, CAS Latency = 3, Auto Precharge) ............................. 27
Interleaved Bank Write (Burst Length = 8)...................................................................................... 28
Interleaved Bank Write (Burst Length = 8, Auto Precharge) .......................................................... 29
Page Mode Read (Burst Length = 4, CAS Latency = 3)................................................................. 30
Page Mode Read/Write (Burst Length = 8, CAS Latency = 3) ....................................................... 31
Auto Precharge Read (Burst Length = 4, CAS Latency = 3) .......................................................... 32
Auto Precharge Write (Burst Length = 4)........................................................................................ 33
Auto Refresh Cycle ......................................................................................................................... 34
Self Refresh Cycle........................................................................................................................... 35
Bust Read and Single Write (Burst Length = 4, CAS Latency = 3)................................................. 36
Power Down Mode .......................................................................................................................... 37
Auto Precharge Timing (Write Cycle) ............................................................................................. 38
Auto Precharge Timing (Read Cycle) ............................................................................................. 39
Timing Chart of Read to Write Cycle............................................................................................... 40
Timing Chart of Write to Read Cycle............................................................................................... 41
Timing Chart of Burst Stop Cycle (Burst Stop Command).............................................................. 42
Timing Chart of Burst Stop Cycle (Precharge Command).............................................................. 43
CKE/DQM Input Timing (Write Cycle)............................................................................................. 44
CKE/DQM Input Timing (Read Cycle) ............................................................................................ 45
Self Refresh/Power Down Mode Exit Timing .................................................................................. 46
12. PACKAGE DIMENSIONS ............................................................................................................... 47
BGA 60 Balls Pitch = 0.65 mm........................................................................................................ 47
13. VERSION HISTORY ....................................................................................................................... 48
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