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W9864G2IH Datasheet Preview

W9864G2IH Datasheet

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W9864G2IH
512K × 4 BANKS × 32BITS SDRAM
Table of Contents-
1. GENERAL DESCRIPTION ......................................................................................................... 3
2. FEATURES ................................................................................................................................. 3
3. AVAILABLE PART NUMBER...................................................................................................... 3
4. PIN CONFIGURATION ............................................................................................................... 4
5. PIN DESCRIPTION..................................................................................................................... 5
6. BLOCK DIAGRAM ...................................................................................................................... 6
7. FUNCTIONAL DESCRIPTION.................................................................................................... 7
7.1 Power Up and Initialization ............................................................................................. 7
7.2 Programming Mode Register.......................................................................................... 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
8.1 Simplified Stated Diagram ............................................................................................ 13
9. ELECTRICAL CHARACTERISTICS......................................................................................... 14
9.1 Absolute Maximum Ratings .......................................................................................... 14
9.2 Recommended DC Operating Conditions .................................................................... 14
Publication Release Date: Mar. 22, 2010
- 1 - Revision A04
Datasheet pdf - http://www.DataSheet4U.net/




Winbond

W9864G2IH Datasheet Preview

W9864G2IH Datasheet

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W9864G2IH
9.3 Capacitance .................................................................................................................. 15
9.4 DC Characteristics ........................................................................................................ 15
9.5 AC Characteristics and Operating Condition................................................................ 16
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. OPERATING 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
12.1 86L TSOP (II)-400 mil................................................................................................... 42
13. REVISION HISTORY ................................................................................................................ 43
-2-
Publication Release Date: Mar. 22, 2010
Revision A04
Datasheet pdf - http://www.DataSheet4U.net/


Part Number W9864G2IH
Description 512K X 4 BANKS X 32BITS SDRAM
Maker Winbond
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