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参数资料
型号： W989D6CBGX7E
厂商： WINBOND ELECTRONICS CORP
元件分类： DRAM
英文描述： 32M X 16 DDR DRAM, 5.4 ns, PBGA54
封装： 8 X 9 MM, 0.80 MM PITCH, HALOGEN FREE AND LEAD FREE, VFBGA-54
文件页数： 1/67页
文件大小： 1469K
代理商： W989D6CBGX7E
W989D6CB / W989D2CB
512Mb Mobile LPSDR
Publication Release Date: Jun, 27, 2011
- 1 -
Revision A01-004
TABLE OF CONTENTS
1. GENERAL DESCRIPTION .......................................................................................................... 3
2. FEATURES.................................................................................................................................. 3
3. PIN CONFIGURATION................................................................................................................ 4
3.1 Ball Assignment: LPSDR X 16 ............................................................................................................4
3.2 Ball Assignment: LPSDR X 32 ............................................................................................................4
4. PIN DESCRIPTION...................................................................................................................... 5
4.1 Signal Description ...............................................................................................................................5
4.2 Addressing Table ................................................................................................................................5
5. BLOCK DIAGRAM ...................................................................................................................... 6
6. ELECTRICAL CHARACTERISTICS ........................................................................................... 7
6.1 Absolute Maximum Ratings ................................................................................................................7
6.2 Operating Conditions ..........................................................................................................................7
6.3 Capacitance ........................................................................................................................................7
6.4 DC Characteristics ..............................................................................................................................8
6.5 Automatic Temperature Compensated Self Refresh Current Feature ..............................................10
6.6 AC Characteristics And AC Operating Conditions ............................................................................11
6.6.1 AC Characteristics.................................................................................................................................... 11
6.6.2 AC Test Condition .................................................................................................................................... 12
6.6.3 AC Latency Characteristics...................................................................................................................... 13
7. FUNCTION DESCRIPTION ....................................................................................................... 14
7.1 Command Function...........................................................................................................................14
7.1.1Table 1. Truth Table .................................................................................................................................. 14
7.1.2 Functional Truth Table ............................................................................................................................. 15
7.1.3 Function Truth Table for CKE .................................................................................................................. 18
7.1.4 Bank Activate Command.......................................................................................................................... 19
7.1.5 Bank Precharge Command...................................................................................................................... 19
7.1.6 Precharge All Command .......................................................................................................................... 19
7.1.7 Write Command ....................................................................................................................................... 19
7.1.8 Write with Auto Precharge Command...................................................................................................... 19
7.1.9 Read Command ....................................................................................................................................... 19
7.1.10 Read with Auto Precharge Command.................................................................................................... 19
7.1.11 Extended Mode Register Set Command ............................................................................................... 19
7.1.12 Mode Register Set Command................................................................................................................ 20
7.1.13 No-Operation Command ........................................................................................................................ 20
7.1.14 Burst Stop Command ............................................................................................................................. 20
7.1.15 Device Deselect Command.................................................................................................................... 20
7.1.16 Auto Refresh Command......................................................................................................................... 20
7.1.17 Self Refresh Entry Command ................................................................................................................ 20
7.1.18 Self Refresh Exit Command................................................................................................................... 20
7.1.19 Clock Suspend Mode Entry/Power Down Mode Entry Command......................................................... 20
7.1.20 Clock Suspend Mode Exit / Power Down Mode Exit Command............................................................ 20
7.1.21 Data Write/Output Enable, Data Mask/Output Disable Command ........................................................ 21
8.OPERATION............................................................................................................................... 21
8.1 Read Operation.................................................................................................................................21
8.2 Write Operation .................................................................................................................................21
8.3 Precharge .........................................................................................................................................22
8.3.1 Auto Precharge ........................................................................................................................................ 22
8.3.2 READ with auto precharge interrupted by a READ (with or without auto precharge) ............................. 22
8.3.3 READ with auto precharge interrupted by a WRITE (with or without auto precharge)............................ 23
8.3.4 WRITE with auto precharge interrupted by a READ (with or without auto precharge)............................ 24
8.3.5 WRITE with auto precharge interrupted by a WRITE (with or without auto precharge) .......................... 25
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相关代理商/技术参数
参数描述
W989D6CBGX7G 制造商:WINBOND 制造商全称:Winbond 功能描述:512Mb Mobile LPSDR
W989D6KBGX7E 制造商:Winbond Electronics Corp 功能描述:IC LPSDR SDRAM 512MBIT 54VFBGA
W98AD2KBJX6E 制造商:Winbond Electronics Corp 功能描述:IC MEMORY SDRAM 1GB 90VFBGA
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