w9425g8dh Winbond Electronics Corp America, w9425g8dh Datasheet - Page 15
w9425g8dh
Manufacturer Part Number
w9425g8dh
Description
8m ? 4 Banks ? 8 Bits Ddr Sdram
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W9425G8DH.pdf
(53 pages)
- Current page: 15 of 53
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7.10.2.1. Addressing Sequence of Sequential Mode
7.10.2.2. Addressing Sequence for Interleave Mode
A column access is performed by incrementing the column address input to the device. The
address is varied by the Burst Length as the following.
A Column access is started from the inputted column address and is performed by interleaving the
address bits in the sequence shown as the following.
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
DATA
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
DATA
ACCESS ADDRESS
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
n + 1
n + 2
n + 3
n + 4
n + 5
n + 6
n + 7
n
Addressing Sequence of Sequential Mode
Address Sequence for Interleave Mode
ACCESS ADDRESS
- 15 -
8 words (address bits A2, A1 and A0)
4 words (address bit A0, A1)
2 words (address bits is A0)
Not carried from A1 to A2
Not carried from A2 to A3
not carried from A0 to A1
BURST LENGTH
Publication Release Date: Nov. 20
BURST LENGTH
2 words
4 words
8 words
Revision A4
,
2007
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