![](http://datasheet.mmic.net.cn/190000/MT46H256M32LFCM-5-A_datasheet_14940763/MT46H256M32LFCM-5-A_3.png)
Contents
General Description .........................................................................................................................................
8 Functional Block Diagrams ...............................................................................................................................
9 Ball Assignments ...........................................................................................................................................
11 Ball Descriptions ............................................................................................................................................
15 Package Block Diagrams .................................................................................................................................
17 Package Dimensions ......................................................................................................................................
20 Electrical Specifications ..................................................................................................................................
26 Output Drive Characteristics ...........................................................................................................................
40 Functional Description ...................................................................................................................................
43 Commands ....................................................................................................................................................
44 DESELECT ................................................................................................................................................
45 NO OPERATION ........................................................................................................................................
45 LOAD MODE REGISTER ............................................................................................................................
45 ACTIVE .....................................................................................................................................................
45 READ ........................................................................................................................................................
46 WRITE ......................................................................................................................................................
47 PRECHARGE .............................................................................................................................................
48 BURST TERMINATE ..................................................................................................................................
49 AUTO REFRESH ........................................................................................................................................
49 SELF REFRESH ...........................................................................................................................................
50 DEEP POWER-DOWN ................................................................................................................................
50 Truth Tables ...................................................................................................................................................
51 State Diagram ................................................................................................................................................
56 Initialization ..................................................................................................................................................
57 Standard Mode Register ..................................................................................................................................
60 Burst Length ..............................................................................................................................................
61 Burst Type .................................................................................................................................................
61 CAS Latency ..............................................................................................................................................
62 Operating Mode .........................................................................................................................................
63 Extended Mode Register .................................................................................................................................
64 Partial-Array Self Refresh ...........................................................................................................................
65 Output Drive Strength ................................................................................................................................
65 Status Read Register .......................................................................................................................................
66 Bank/Row Activation ......................................................................................................................................
68 READ Operation .............................................................................................................................................
69 WRITE Operation ...........................................................................................................................................
80 PRECHARGE Operation ..................................................................................................................................
92 Auto Precharge ...............................................................................................................................................
92 Concurrent Auto Precharge ........................................................................................................................
93 AUTO REFRESH Operation .............................................................................................................................
98 SELF REFRESH Operation ..............................................................................................................................
99 Power-Down .................................................................................................................................................
100 Deep Power-Down ...................................................................................................................................
102 Clock Change Frequency ...............................................................................................................................
104 Revision History ............................................................................................................................................
105 Rev. M – 11/10 ...........................................................................................................................................
105 Rev. L – 09/10 ............................................................................................................................................
105 2Gb: x16, x32 Mobile LPDDR SDRAM
Features
PDF: 09005aef83a73286
2gb_ddr_mobile_sdram_t69m.pdf - Rev. M 11/10 EN
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