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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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Table 15: I DD4W Measurement Loop<br />

CK, CK#<br />

Toggling<br />

CKE<br />

Static HIGH<br />

Sub-Loop<br />

Cycle<br />

Number<br />

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

Electrical Specifications – I DD Specifications and Conditions<br />

Command<br />

CS#<br />

RAS#<br />

CAS#<br />

WE#<br />

0 WR 0 1 0 0 1 0 0 0 0 0 0 00000000<br />

1 D 1 0 0 0 1 0 0 0 0 0 0 –<br />

2 D# 1 1 1 1 1 0 0 0 0 0 0 –<br />

0<br />

3<br />

4<br />

D#<br />

WR<br />

1<br />

0<br />

1<br />

1<br />

1<br />

0<br />

1<br />

0<br />

1<br />

1<br />

0<br />

0<br />

0<br />

0<br />

0<br />

0<br />

0<br />

0<br />

0<br />

F<br />

0<br />

0<br />

–<br />

00110011<br />

5 D 1 0 0 0 1 0 0 0 0 F 0 –<br />

6 D# 1 1 1 1 1 0 0 0 0 F 0 –<br />

7 D# 1 1 1 1 1 0 0 0 0 F 0 –<br />

1 8–15 Repeat sub-loop 0, use BA[2:0] = 1<br />

2 16–23 Repeat sub-loop 0, use BA[2:0] = 2<br />

3 24–31 Repeat sub-loop 0, use BA[2:0] = 3<br />

4 32–39 Repeat sub-loop 0, use BA[2:0] = 4<br />

5 40–47 Repeat sub-loop 0, use BA[2:0] = 5<br />

6 48–55 Repeat sub-loop 0, use BA[2:0] = 6<br />

7 56–63 Repeat sub-loop 0, use BA[2:0] = 7<br />

Notes: 1. DQ, DQS, DQS# are midlevel when not driving in burst sequence.<br />

2. DM is LOW.<br />

3. Burst sequence is driven on each DQ signal by the WR command.<br />

4. All banks open.<br />

PDF: 09005aef826aaadc<br />

<strong>2Gb</strong>_<strong>DDR3</strong>_<strong>SDRAM</strong>.pdf – Rev. P 2/12 EN 36 <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 />

ODT<br />

BA[2:0]<br />

A[15:11]<br />

A[10]<br />

A[9:7]<br />

A[6:3]<br />

A[2:0]<br />

Data 3

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