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

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

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

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Figure 34: Tangent Line for t IS (Command and Address – Clock)<br />

CK<br />

CK#<br />

DQS#<br />

DQS<br />

V DDQ<br />

V IH(AC)min<br />

V IH(DC)min<br />

V REF(DC)<br />

V IL(DC)max<br />

V IL(DC)max<br />

V SS<br />

Nominal<br />

line<br />

V REF to AC<br />

region<br />

�TF<br />

<strong>2Gb</strong>: <strong>x4</strong>, <strong>x8</strong>, <strong>x16</strong> <strong>DDR3</strong> <strong>SDRAM</strong><br />

Command and Address Setup, Hold, and Derating<br />

t IS tIH tIS tIH<br />

Tangent<br />

line<br />

tVAC<br />

Nominal<br />

line<br />

Setup slew rate<br />

rising signal<br />

=<br />

Setup slew rate<br />

falling signal =<br />

�TR<br />

t VAC<br />

Tangent<br />

line<br />

V REF to AC<br />

region<br />

Tangent line (V IH(DC)min - V REF(DC) )<br />

�TR<br />

Tangent line (V REF(DC) - V IL(AC)max )<br />

Note: 1. The clock and the strobe are drawn on different time scales.<br />

PDF: 09005aef826aaadc<br />

<strong>2Gb</strong>_<strong>DDR3</strong>_<strong>SDRAM</strong>.pdf – Rev. P 2/12 EN 103 <strong>Micron</strong> Technology, Inc. reserves the right to change products or specifications without notice.<br />

� 2006 <strong>Micron</strong> Technology, Inc. All rights reserved.<br />

�TF

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