W9864G6JB 1M 4 BANKS 16 BITS SDRAM Table of Contents- 1. GENERAL DESCRIPTION .............................................................................................................. 3 2. FEATURES ...................................................................................................................................... 3 3. ORDER INFORMATION .................................................................................................................. 4 4. BALL CONFIGURATION ................................................................................................................. 4 5. BALL DESCRIPTION ...................................................................................................................... 5 6. BLOCK DIAGRAM ........................................................................................................................... 6 7. FUNCTIONAL DESCRIPTION ........................................................................................................ 7 7.1 Power Up and Initialization ................................................................................................. 7 7.2 Programming Mode Register Set command ....................................................................... 7 7.3 Bank Activate Command .................................................................................................... 7 7.4 Read and Write Access Modes .......................................................................................... 7 7.5 Burst Read Command ........................................................................................................ 8 7.6 Burst Command .................................................................................................................. 8 7.7 Read Interrupted by a Read................................................................................................ 8 7.8 Read Interrupted by a Write ................................................................................................ 8 7.9 Write Interrupted by a Write ................................................................................................ 8 7.10 Write Interrupted by a Read ................................................................................................ 8 7.11 Burst Stop Command .......................................................................................................... 9 7.12 Addressing Sequence of Sequential Mode......................................................................... 9 7.13 Addressing Sequence of Interleave Mode .......................................................................... 9 7.14 Auto-precharge Command................................................................................................ 10 7.15 Precharge Command ........................................................................................................ 10 7.16 Self Refresh Command ..................................................................................................... 10 7.17 Power Down Mode ............................................................................................................ 11 7.18 No Operation Command ................................................................................................... 11 7.19 Deselect Command .......................................................................................................... 11 7.20 Clock Suspend Mode ........................................................................................................ 11 8. OPERATION MODE ...................................................................................................................... 12 9. ELECTRICAL CHARACTERISTICS ............................................................................................. 13 9.1 Absolute Maximum Ratings .............................................................................................. 13 9.2 Recommended DC Operating Conditions ........................................................................ 13 Publication Release Date: Mar. 22, 2017 - 1 - Revision A01 W9864G6JB 9.3 Capacitance ...................................................................................................................... 13 9.4 DC Characteristics ............................................................................................................ 14 9.5 AC Characteristics and Operating Condition .................................................................... 15 10. TIMING WAVEFORMS .................................................................................................................. 18 10.1 Command Input Timing ..................................................................................................... 18 10.2 Read Timing ...................................................................................................................... 19 10.3 Control Timing of Input/Output Data ................................................................................. 20 10.4 Mode Register Set Cycle .................................................................................................. 21 11. OPERATINOPERATING TIMING EXAMPLE ............................................................................... 22 11.1 Interleaved Bank Read (Burst Length = 4, CAS Latency = 3) .......................................... 22 11.2 Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Auto-precharge) ............... 23 11.3 Interleaved Bank Read (Burst Length = 8, CAS Latency = 3) .......................................... 24 11.4 Interleaved Bank Read (Burst Length = 8, CAS Latency = 3, Auto-precharge) ............... 25 11.5 Interleaved Bank Write (Burst Length = 8) ....................................................................... 26 11.6 Interleaved Bank Write (Burst Length = 8, Auto-precharge) ............................................ 27 11.7 Page Mode Read (Burst Length = 4, CAS Latency = 3) ................................................... 28 11.8 Page Mode Read/Write (Burst Length = 8, CAS Latency = 3) ......................................... 29 11.9 Auto-precharge Read (Burst Length = 4, CAS Latency = 3) ............................................ 30 11.10 Auto-precharge Write (Burst Length = 4) .......................................................................... 31 11.11 Auto Refresh Cycle ........................................................................................................... 32 11.12 Self Refresh Cycle ............................................................................................................ 33 11.13 Bust Read and Single Write (Burst Length = 4, CAS Latency = 3) .................................. 34 11.14 Power down Mode ............................................................................................................ 35 11.15 Auto-precharge Timing (Write Cycle) ............................................................................... 36 11.16 Auto-precharge Timing (Read Cycle) ............................................................................... 37 11.17 Timing Chart of Read to Write Cycle ................................................................................ 38 11.18 Timing Chart of Write to Read Cycle ................................................................................ 38 11.19 Timing Chart of Burst Stop Cycle (Burst Stop Command) ............................................... 39 11.20 Timing Chart of Burst Stop Cycle (Precharge Command) ................................................ 39 11.21 CKE/DQM Input Timing (Write Cycle) .............................................................................. 40 11.22 CKE/DQM Input Timing (Read Cycle) .............................................................................. 41 12. PACKAGE SPECIFICATION ......................................................................................................... 42 2 12.1 VFBGA 60 Balls (6.4x10.1 mm , Ball pitch:0.65mm, =0.4mm) ...................................... 42 13. REVISION HISTORY ..................................................................................................................... 43 Publication Release Date: Mar. 22, 2017 - 2 - Revision A01