W9864G2IB Datasheet, PDF (2/42 Pages) Winbond – 512K × 4 BANKS × 32BITS SDRAM

W9864G2IB
9.3 Capacitance ...................................................................................................................... 14
9.4 DC Characteristics ............................................................................................................ 14
9.5 AC Characteristics and Operating Condition .................................................................... 15
10. TIMING WAVEFORMS.................................................................................................................. 17
10.1 Command Input Timing..................................................................................................... 17
10.2 Read Timing...................................................................................................................... 18
10.3 Control Timing of Input/Output Data ................................................................................. 19
10.4 Mode Register Set Cycle .................................................................................................. 20
11. OPERATING TIMING EXAMPLE.................................................................................................. 21
11.1 Interleaved Bank Read (Burst Length = 4, CAS Latency = 3) .......................................... 21
11.2 Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Auto-precharge) ............... 22
11.3 Interleaved Bank Read (Burst Length = 8, CAS Latency = 3) .......................................... 23
11.4 Interleaved Bank Read (Burst Length = 8, CAS Latency = 3, Auto-precharge) ............... 24
11.5 Interleaved Bank Write (Burst Length = 8) ....................................................................... 25
11.6 Interleaved Bank Write (Burst Length = 8, Auto-precharge) ............................................ 26
11.7 Page Mode Read (Burst Length = 4, CAS Latency = 3)................................................... 27
11.8 Page Mode Read/Write (Burst Length = 8, CAS Latency = 3) ......................................... 28
11.9 Auto-precharge Read (Burst Length = 4, CAS Latency = 3) ............................................ 29
11.10 Auto-precharge Write (Burst Length = 4).......................................................................... 30
11.11 Auto Refresh Cycle ........................................................................................................... 31
11.12 Self Refresh Cycle ............................................................................................................ 32
11.13 Bust Read and Single Write (Burst Length = 4, CAS Latency = 3) .................................. 33
11.14 Power down Mode ............................................................................................................ 34
11.15 Auto-precharge Timing (Write Cycle) ............................................................................... 35
11.16 Auto-precharge Timing (Read Cycle) ............................................................................... 36
11.17 Timing Chart of Read to Write Cycle ................................................................................ 37
11.18 Timing Chart of Write to Read Cycle ................................................................................ 37
11.19 Timing Chart of Burst Stop Cycle (Burst Stop Command) ............................................... 38
11.20 Timing Chart of Burst Stop Cycle (Precharge Command)................................................ 38
11.21 CKE/DQM Input Timing (Write Cycle) .............................................................................. 39
11.22 CKE/DQM Input Timing (Read Cycle) .............................................................................. 40
12. PACKAGE SPECIFICATION......................................................................................................... 41
12.1 TFBGA 90 Balls (8X13 mm², Ball pitch: 0.8mm, Ø=0.45mm) .......................................... 41
13. REVISION HISTORY..................................................................................................................... 42
Publication Release Date: Sep. 17, 2009
-2-
Revision A01