2Gb: x4, x8, x16 DDR3 SDRAM - Micron

Table 68: Derating Values for t DS/ t DH – AC135/DC100-Based at 1V/ns
Shaded cells indicate slew rate combinations not supported
2Gb: x4, x8, x16 DDR3 SDRAM
Data Setup, Hold, and Derating
�� tDS, �tDH Derating (ps) – AC/DC-Based
DQS, DQS# Differential Slew Rate
DQ Slew 4.0 V/ns 3.0 V/ns 2.0 V/ns 1.8 V/ns 1.6 V/ns 1.4 V/ns 1.2 V/ns 1.0 V/ns
Rate V/ns �tDS �tDH �tDS �tDH �tDS �tDH �tDS �tDH �tDS �tDH �tDS �tDH �tDS �tDH �tDS �tDH 2.0 68 50 68 50 68 50
1.5 45 34 45 34 45 34 53 42
1.0 0 0 0 0 0 0 8 8 16 16
0.9 2 –4 2 –4 10 4 18 12 26 20
0.8 3 –10 11 –2 19 6 27 14 35 24
0.7 14 –8 22 0 30 8 38 18 46 34
0.6 25 –19 33 –2 41 8 49 24
0.5 29 –16 37 –6 45 –10
0.4 30 26 38 –10
PDF: 09005aef826aaadc
2Gb_DDR3_SDRAM.pdf – Rev. P 2/12 EN 107 Micron Technology, Inc. reserves the right to change products or specifications without notice.
� 2006 Micron Technology, Inc. All rights reserved.