1Gb: x8, x16 Automotive DDR2 SDRAM - Micron
1Gb: x8, x16 Automotive DDR2 SDRAM - Micron
1Gb: x8, x16 Automotive DDR2 SDRAM - Micron
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>1Gb</strong>: <strong>x8</strong>, <strong>x16</strong> <strong>Automotive</strong> <strong>DDR2</strong> <strong>SDRAM</strong><br />
Features<br />
Figure 51: Bank Read – with Auto Precharge ................................................................................................... 96<br />
Figure 52: x4, <strong>x8</strong> Data Output Timing – t DQSQ, t QH, and Data Valid Window ................................................... 97<br />
Figure 53: <strong>x16</strong> Data Output Timing – t DQSQ, t QH, and Data Valid Window ...................................................... 98<br />
Figure 54: Data Output Timing – t AC and t DQSCK .......................................................................................... 99<br />
Figure 55: Write Burst ................................................................................................................................... 101<br />
Figure 56: Consecutive WRITE-to-WRITE ...................................................................................................... 102<br />
Figure 57: Nonconsecutive WRITE-to-WRITE ................................................................................................ 102<br />
Figure 58: WRITE Interrupted by WRITE ....................................................................................................... 103<br />
Figure 59: WRITE-to-READ ........................................................................................................................... 104<br />
Figure 60: WRITE-to-PRECHARGE ................................................................................................................ 105<br />
Figure 61: Bank Write – Without Auto Precharge ............................................................................................ 106<br />
Figure 62: Bank Write – with Auto Precharge .................................................................................................. 107<br />
Figure 63: WRITE – DM Operation ................................................................................................................ 108<br />
Figure 64: Data Input Timing ........................................................................................................................ 109<br />
Figure 65: Refresh Mode ............................................................................................................................... 110<br />
Figure 66: Self Refresh .................................................................................................................................. 112<br />
Figure 67: Power-Down ................................................................................................................................ 114<br />
Figure 68: READ-to-Power-Down or Self Refresh Entry .................................................................................. 116<br />
Figure 69: READ with Auto Precharge-to-Power-Down or Self Refresh Entry ................................................... 116<br />
Figure 70: WRITE-to-Power-Down or Self Refresh Entry ................................................................................. 117<br />
Figure 71: WRITE with Auto Precharge-to-Power-Down or Self Refresh Entry .................................................. 117<br />
Figure 72: REFRESH Command-to-Power-Down Entry .................................................................................. 118<br />
Figure 73: ACTIVATE Command-to-Power-Down Entry ................................................................................. 118<br />
Figure 74: PRECHARGE Command-to-Power-Down Entry ............................................................................. 119<br />
Figure 75: LOAD MODE Command-to-Power-Down Entry ............................................................................. 119<br />
Figure 76: Input Clock Frequency Change During Precharge Power-Down Mode ............................................ 120<br />
Figure 77: RESET Function ........................................................................................................................... 122<br />
Figure 78: ODT Timing for Entering and Exiting Power-Down Mode ............................................................... 124<br />
Figure 79: Timing for MRS Command to ODT Update Delay .......................................................................... 125<br />
Figure 80: ODT Timing for Active or Fast-Exit Power-Down Mode .................................................................. 125<br />
Figure 81: ODT Timing for Slow-Exit or Precharge Power-Down Modes .......................................................... 126<br />
Figure 82: ODT Turn-Off Timings When Entering Power-Down Mode ............................................................ 126<br />
Figure 83: ODT Turn-On Timing When Entering Power-Down Mode .............................................................. 127<br />
Figure 84: ODT Turn-Off Timing When Exiting Power-Down Mode ................................................................ 128<br />
Figure 85: ODT Turn-On Timing When Exiting Power-Down Mode ................................................................. 129<br />
PDF: 09005aef840eff89<br />
1gbddr2_ait_aat.pdf – Rev. C 7/11 EN 7 <strong>Micron</strong> Technology, Inc. reserves the right to change products or specifications without notice.<br />
� 2010 <strong>Micron</strong> Technology, Inc. All rights reserved.
Change language