IS42S16128
Burst Length and Column Address Sequence
Burst Length
Column Address
A2 A1 A0
Address Sequence
Sequential
Interleaved
2
4
8
Full Page
(256)
XX0
XX1
X00
X01
X10
X11
000
001
010
011
100
101
110
111
nnn
Notes:
1. The burst length in full page mode is 256.
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
Cn, Cn+1, Cn+2
Cn+3, Cn+4.....
...Cn-1(Cn+255),
Cn(Cn+256).....
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
None
Bank Select and Precharge Address Allocation
Row
Column
X0
—
X1
—
X2
—
X3
—
X4
—
X5
—
X6
—
X7
—
X8
0
1
X9
0
1
Y0
—
Y1
—
Y2
—
Y3
—
Y4
—
Y5
—
Y6
—
Y7
—
Y8
0
1
Y9
0
1
Row Address
Row Address
Row Address
Row Address
Row Address
Row Address
Row Address
Row Address
Precharge of the Selected Bank (Precharge Command)
Precharge of Both Banks (Precharge Command)
Bank 0 Selected (Precharge and Active Command)
Bank 1 Selected (Precharge and Active Command)
Column Address
Column Address
Column Address
Column Address
Column Address
Column Address
Column Address
Column Address
Auto-Precharge Not Performed
Auto-Precharge Performed
Bank 0 Selected (Read and Write Commands)
Bank 1 Selected (Read and Write Commands)
ISSI ®
Row Address
(Active Command)
Integrated Silicon Solution, Inc. — 1-800-379-4774
21
Rev. A
03/13/00