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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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PDF: 09005aef826aaadc<br />

<strong>Micron</strong> Technology, Inc. reserves the right to change products or specifications without notice.<br />

<strong>2Gb</strong>_<strong>DDR3</strong>_<strong>SDRAM</strong>.pdf – Rev. P 2/12 EN 197 � 2006 <strong>Micron</strong> Technology, Inc. All rights reserved.<br />

Figure 110: Dynamic ODT: ODT Pin Asserted Together with WRITE Command for 6 Clock Cycles, BL8<br />

CK#<br />

CK<br />

Command<br />

Address<br />

ODT<br />

R TT<br />

DQS, DQS#<br />

DQ<br />

T0 T1 T2 T3 T4 T5 T6 T7 T8 T9<br />

Valid<br />

ODTLcnw<br />

ODTLon<br />

WL<br />

ODTLcwn8<br />

DI<br />

b<br />

DI<br />

b + 1<br />

DI<br />

b + 2<br />

DI<br />

b + 3<br />

DI<br />

b + 4<br />

DI<br />

b + 5<br />

DI<br />

b + 6<br />

DI<br />

b + 7<br />

T10 T11<br />

NOP WRS8<br />

NOP NOP NOP<br />

NOP NOP NOP NOP NOP NOP NOP<br />

ODTH8 ODTLoff<br />

t ADC (MAX)<br />

t AON (MIN)<br />

R TT(WR)<br />

t AOF (MAX)<br />

Transitioning<br />

t AOF (MIN)<br />

Don’t Care<br />

Notes: 1. Via MRS or OTF; AL = 0, CWL = 5. If R TT,nom can be either enabled or disabled, ODT can be HIGH. R TT(WR) is enabled.<br />

2. In this example, ODTH8 = 6 is satisfied exactly.<br />

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

Dynamic ODT

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