IS61SF25618 View Datasheet(PDF) - Integrated Silicon Solution
Part Name
Description
Manufacturer
IS61SF25618 Datasheet PDF : 16 Pages
| |||
IS61SF25616
IS61SF25618
ISSI ®
READ/WRITE CYCLE SWITCHING CHARACTERISTICS (Over Operating Range)
Symbol Parameter
8
8.5
10
12
Min. Max.
Min. Max.
Min. Max.
Min. Max.
Unit
fMAX(3)
Clock Frequency
— 100
— 90
— 66
— 66
MHz
tKC(3)
Cycle Time
10 —
11 —
15 —
15 —
ns
tKH
Clock High Time
4
—
4.5 —
4.5 —
4.5 —
ns
tKL(3)
Clock Low Time
4
—
4.5 —
4.5 —
4.5 —
ns
tKQ(3)
Clock Access Time
—
8
— 8.5
— 10
— 12
ns
tKQX(1)
Clock High to Output Invalid
2
—
2
—
2
—
2
—
ns
tKQLZ(1,2) Clock High to Output Low-Z
0
—
0
—
0
—
0
—
ns
tKQHZ(1,2) Clock High to Output High-Z
2 3.5
2 3.5
2 3.5
2 3.5
ns
tOEQ(3)
Output Enable to Output Valid
— 3.5
— 3.5
— 3.5
—
5
ns
tOELZ(1,2) Output Enable to Output Low-Z
0
—
0
—
0
—
0
—
ns
tOEHZ(1,2) Output Disable to Output High-Z —
3.5
— 3.5
— 3.5
— 3.5
ns
tAS(3)
Address Setup Time
2
—
2
—
2
—
4
—
ns
tSS(3)
Address Status Setup Time
2
—
2
—
2
—
4
—
ns
tWS(3)
Write Setup Time
2
—
2
—
2
—
4
—
ns
tCES(3)
Chip Enable Setup Time
2
—
2
—
2
—
4
—
ns
tAVS(3)
Address Advance Setup Time
2
—
2
—
2
—
4
—
ns
tAH(3)
Address Hold Time
0.5 —
0.5 —
0.5 —
1.5 —
ns
tSH(3)
Address Status Hold Time
0.5 —
0.5 —
0.5 —
1.5 —
ns
tWH(3)
Write Hold Time
0.5 —
0.5 —
0.5 —
1.5 —
ns
tCEH(3)
Chip Enable Hold Time
0.5 —
0.5 —
0.5 —
1.5 —
ns
tAVH(3)
Address Advance Hold Time
0.5 —
0.5 —
0.5 —
1.5 —
ns
Notes:
1. Guaranteed but not 100% tested. This parameter is periodically sampled.
2. Tested with load in Figure 2.
3. Tested with load in Figure 1.
Integrated Silicon Solution, Inc. — 1-800-379-4774
9
Rev. A
04/17/01
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