HYB25D128160CT-6 参数 Datasheet PDF下载

Internet Data Sheet

HYB25D128xxxC[C/E/F/T](L)

128-Mbit Double-Data-Rate SDRAM

TABLE 8

Burst Definition

Burst Length

Starting Column Address

A2

2

4

0

0

1

1

8

0

0

0

0

1

1

1

1

Notes

1.

2.

3.

4.

For a burst length of two, A1-Ai selects the two-data-element block; A0 selects the first access within the block.

For a burst length of four, A2-Ai selects the four-data-element block; A0-A1 selects the first access within the block.

For a burst length of eight, A3-Ai selects the eight-data- element block; A0-A2 selects the first access within the block.

Whenever a boundary of the block is reached within a given sequence above, the following access wraps within the block.

0

0

1

1

0

0

1

1

A1

A0

0

1

0

1

0

1

0

1

0

1

0

1

0

1

Order of Accesses Within a Burst

Type = Sequential

0-1

1-0

0-1-2-3

1-2-3-0

2-3-0-1

3-0-1-2

0-1-2-3-4-5-6-7

1-2-3-4-5-6-7-0

2-3-4-5-6-7-0-1

3-4-5-6-7-0-1-2

4-5-6-7-0-1-2-3

5-6-7-0-1-2-3-4

6-7-0-1-2-3-4-5

7-0-1-2-3-4-5-6

Type = Interleaved

0-1

1-0

0-1-2-3

1-0-3-2

2-3-0-1

3-2-1-0

0-1-2-3-4-5-6-7

1-0-3-2-5-4-7-6

2-3-0-1-6-7-4-5

3-2-1-0-7-6-5-4

4-5-6-7-0-1-2-3

5-4-7-6-1-0-3-2

6-7-4-5-2-3-0-1

7-6-5-4-3-2-1-0

Rev. 1.6, 2007-02

03292006-U5AN-6TI1

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