MT47H64M16HR-25ELH Datasheet, PDF (7/132 Pages) Micron Technology – 1Gb: x4, x8, x16 DDR2 SDRAM

1Gb: x4, x8, x16 DDR2 SDRAM
Features
Figure 51: Bank Read – Without Auto Precharge .............................................................................................. 98
Figure 52: Bank Read – with Auto Precharge ................................................................................................... 99
Figure 53: x4, x8 Data Output Timing – ^tDQSQ, ^tQH, and Data Valid Window .................................................. 100
Figure 54: x16 Data Output Timing – ^tDQSQ, ^tQH, and Data Valid Window ..................................................... 101
Figure 55: Data Output Timing – ^tAC and ^tDQSCK ......................................................................................... 102
Figure 56: Write Burst ................................................................................................................................... 104
Figure 57: Consecutive WRITE-to-WRITE ...................................................................................................... 105
Figure 58: Nonconsecutive WRITE-to-WRITE ................................................................................................ 105
Figure 59: WRITE Interrupted by WRITE ....................................................................................................... 106
Figure 60: WRITE-to-READ ........................................................................................................................... 107
Figure 61: WRITE-to-PRECHARGE ................................................................................................................ 108
Figure 62: Bank Write – Without Auto Precharge ............................................................................................ 109
Figure 63: Bank Write – with Auto Precharge .................................................................................................. 110
Figure 64: WRITE – DM Operation ................................................................................................................ 111
Figure 65: Data Input Timing ........................................................................................................................ 112
Figure 66: Refresh Mode ............................................................................................................................... 113
Figure 67: Self Refresh .................................................................................................................................. 115
Figure 68: Power-Down ................................................................................................................................ 117
Figure 69: READ-to-Power-Down or Self Refresh Entry .................................................................................. 119
Figure 70: READ with Auto Precharge-to-Power-Down or Self Refresh Entry ................................................... 119
Figure 71: WRITE-to-Power-Down or Self Refresh Entry ................................................................................. 120
Figure 72: WRITE with Auto Precharge-to-Power-Down or Self Refresh Entry .................................................. 120
Figure 73: REFRESH Command-to-Power-Down Entry .................................................................................. 121
Figure 74: ACTIVATE Command-to-Power-Down Entry ................................................................................. 121
Figure 75: PRECHARGE Command-to-Power-Down Entry ............................................................................. 122
Figure 76: LOAD MODE Command-to-Power-Down Entry ............................................................................. 122
Figure 77: Input Clock Frequency Change During Precharge Power-Down Mode ............................................ 123
Figure 78: RESET Function ........................................................................................................................... 125
Figure 79: ODT Timing for Entering and Exiting Power-Down Mode ............................................................... 127
Figure 80: Timing for MRS Command to ODT Update Delay .......................................................................... 128
Figure 81: ODT Timing for Active or Fast-Exit Power-Down Mode .................................................................. 128
Figure 82: ODT Timing for Slow-Exit or Precharge Power-Down Modes .......................................................... 129
Figure 83: ODT Turn-Off Timings When Entering Power-Down Mode ............................................................ 129
Figure 84: ODT Turn-On Timing When Entering Power-Down Mode .............................................................. 130
Figure 85: ODT Turn-Off Timing When Exiting Power-Down Mode ................................................................ 131
Figure 86: ODT Turn-On Timing When Exiting Power-Down Mode ................................................................. 132
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. X 10/11 EN
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