Data Sheet

Rev. 1.32, 2007-10

11

10122006-I6LJ-WV3H

HY[B/I]39S128[40/80/16][0/7]F[E/T](L)

128-MBit Synchronous DRAM

TABLE 7

Burst Length and Sequence

Notes

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

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

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

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

Burst Length

Starting Column Address

Order of Accesses Within a Burst

A2

A1

A0

Type=Sequential

Type=Interleaved

20

0–1

0–1

11–0

1–0

4

0

0

0–1–2–3

0–1–2–3

0

1

1–2–3–0

1–0–3–2

1

0

2–3–0–1

2–3–0–1

1

1

3–0–1–2

3–2–1–0

8

0

0

0

0–1–2–3–4–5–6–7

0–1–2–3–4–5–6–7

0

0

1

1–2–3–4–5–6–7–0

1–0–3–2–5–4–7–6

0

1

0

2–3–4–5–6–7–0–1

2–3–0–1–6–7–4–5

0

1

1

3–4–5–6–7–0–1–2

3–2–1–0–7–6–5–4

1

0

0

4–5–6–7–0–1–2–3

4–5–6–7–0–1–2–3

1

0

1

5–6–7–0–1–2–3–4

5–4–7–6–1–0–3–2

1

1

0

6–7–0–1–2–3–4–5

6–7–4–5–2–3–0–1

1

1

1

7–0–1–2–3–4–5–6

7–6–5–4–3–2–1–0

FullPage

n

Cn, Cn+1, Cn+2 ....

Not supported