W988D6FB_13 Datasheet, PDF (3/66 Pages) Winbond – 256Mb Mobile LPSDR

W988D6FB / W988D2FB
256Mb Mobile LPSDR
TABLE OF CONTENTS
1. GENERAL DESCRIPTION .......................................................................................................... 1
2. FEATURES.................................................................................................................................. 1
3. ORDERING INFORMATION ....................................................................................................... 2
4. PIN CONFIGURATION ................................................................................................................ 6
4.1 Ball Assignment: LPSDR X 16 ............................................................................................................ 6
4.2 Ball Assignment: LPSDR X 32 ............................................................................................................ 6
5. PIN DESCRIPTION...................................................................................................................... 7
5.1 Signal Description ............................................................................................................................... 7
5.2 Addressing Table ................................................................................................................................ 7
6. BLOCK DIAGRAM ...................................................................................................................... 8
7. ELECTRICAL CHARACTERISTICS ........................................................................................... 9
7.1 Absolute Maximum Ratings ................................................................................................................ 9
7.2 Operating Conditions .......................................................................................................................... 9
7.3 Capacitance ........................................................................................................................................ 9
7.4 DC Characteristics ............................................................................................................................ 10
7.5 Automatic Temperature Compensated Self Refresh Current Feature .............................................. 12
7.6 AC Characteristics And AC Operating Conditions ............................................................................ 13
7.6.1 AC Characteristics.................................................................................................................................... 13
7.6.2 AC Test Condition .................................................................................................................................... 14
7.6.3 AC Latency Characteristics ...................................................................................................................... 15
8. FUNCTION DESCRIPTION ....................................................................................................... 16
8.1 Command Function...........................................................................................................................16
8.1.1 Truth Table ............................................................................................................................................... 16
8.1.2 Functional Truth Table ............................................................................................................................. 17
8.1.3 Function Truth Table for CKE .................................................................................................................. 20
8.1.4 Bank Activate Command.......................................................................................................................... 21
8.1.5 Bank Precharge Command ...................................................................................................................... 21
8.1.6 Precharge All Command .......................................................................................................................... 21
8.1.7 Write Command ....................................................................................................................................... 21
8.1.8 Write with Auto Precharge Command...................................................................................................... 21
8.1.9 Read Command ....................................................................................................................................... 21
8.1.10 Read with Auto Precharge Command.................................................................................................... 21
8.1.11 Extended Mode Register Set Command ............................................................................................... 21
8.1.12 Mode Register Set Command ................................................................................................................ 22
8.1.13 No-Operation Command ........................................................................................................................ 22
8.1.14 Burst Stop Command ............................................................................................................................. 22
8.1.15 Device Deselect Command.................................................................................................................... 22
8.1.16 Auto Refresh Command......................................................................................................................... 22
8.1.17 Self Refresh Entry Command ................................................................................................................ 22
8.1.18 Self Refresh Exit Command ................................................................................................................... 22
8.1.19 Clock Suspend Mode Entry/Power Down Mode Entry Command ......................................................... 22
8.1.20 Clock Suspend Mode Exit/Power Down Mode Exit Command.............................................................. 22
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Publication Release Date : August 15, 2013
Revision A01-004