W9864G2GH Datasheet, PDF (2/46 Pages) Winbond – 512K X 4 BANKS X 32BITS SDRAM

W9864G2GH
9.2 Recommended DC Operating Conditions .................................................................... 15
9.3 Capacitance .................................................................................................................. 16
9.4 DC Characteristics ........................................................................................................ 16
9.5 AC Characteristics and Operating Condition................................................................ 17
10. TIMING WAVEFORMS ............................................................................................................. 20
10.1 Command Input Timing ................................................................................................ 20
10.2 Read Timing.................................................................................................................. 21
10.3 Control Timing of Input Data......................................................................................... 22
10.4 Control Timing of Output Data ...................................................................................... 23
10.5 Mode Register Set Cycle .............................................................................................. 24
11. OPERATING TIMING EXAMPLE ............................................................................................. 25
11.1 Interleaved Bank Read (Burst Length = 4, CAS Latency = 3)...................................... 25
11.2 Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Auto-precharge)........... 26
11.3 Interleaved Bank Read (Burst Length = 8, CAS Latency = 3)...................................... 27
11.4 Interleaved Bank Read (Burst Length = 8, CAS Latency = 3, Auto-precharge)........... 28
11.5 Interleaved Bank Write (Burst Length = 8) ................................................................... 29
11.6 Interleaved Bank Write (Burst Length = 8, Auto-precharge) ........................................ 30
11.7 Page Mode Read (Burst Length = 4, CAS Latency = 3)............................................... 31
11.8 Page Mode Read/Write (Burst Length = 8, CAS Latency = 3) ..................................... 32
11.9 Auto-precharge Read (Burst Length = 4, CAS Latency = 3) ........................................ 33
11.10 Auto-precharge Write (Burst Length = 4) .................................................................... 34
11.11 Auto Refresh Cycle ..................................................................................................... 35
11.12 Self Refresh Cycle....................................................................................................... 36
11.13 Bust Read and Single Write (Burst Length = 4, CAS Latency = 3)............................. 37
11.14 Power Down Mode ...................................................................................................... 38
11.15 Auto-precharge Timing (Write Cycle).......................................................................... 39
11.16 Auto-precharge Timing (Read Cycle).......................................................................... 40
11.17 Timing Chart of Read to Write Cycle........................................................................... 41
11.18 Timing Chart of Write to Read Cycle........................................................................... 41
11.19 Timing Chart of Burst Stop Cycle (Burst Stop Command).......................................... 42
11.20 Timing Chart of Burst Stop Cycle (Precharge Command) .......................................... 42
11.21 CKE/DQM Input Timing (Write Cycle) ......................................................................... 43
11.22 CKE/DQM Input Timing (Read Cycle)......................................................................... 44
12. PACKAGE SPECIFICATION .................................................................................................... 45
12.1 86L TSOP (II)-400 mil................................................................................................... 45
13. REVISION HISTORY ................................................................................................................ 46
Publication Release Date:Aug. 13, 2007
-2-
Revision A09