General Description ......................................................................................................................................... 8
NO OPERATION ........................................................................................................................................ 36
ACTIVE ..................................................................................................................................................... 36
AUTO REFRESH ........................................................................................................................................ 40
DEEP POWER-DOWN ................................................................................................................................ 41
Truth Tables ................................................................................................................................................... 42
State Diagram ................................................................................................................................................ 47
Standard Mode Register .................................................................................................................................. 51
Burst Type ................................................................................................................................................. 52
CAS Latency .............................................................................................................................................. 53
Status Read Register ....................................................................................................................................... 57
Auto Precharge ............................................................................................................................................... 83
Concurrent Auto Precharge ........................................................................................................................ 84
AUTO REFRESH Operation ............................................................................................................................. 89
Deep Power-Down .................................................................................................................................... 93
Clock Change Frequency ................................................................................................................................ 95
Revision History ............................................................................................................................................. 96
Rev. I, Production – 12/09 ........................................................................................................................... 96
Rev. H, Production – 03/09 .......................................................................................................................... 96
Rev. G, Production – 02/09 .......................................................................................................................... 96
Rev. F, Production – 10/08 .......................................................................................................................... 96
Contents
PDF: 09005aef82d5d305
512mb_ddr_mobile_sdram_t47m.pdf – Rev. I 12/09 EN
3
Micron Technology, Inc. reserves the right to change products or specifications without notice.
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