IS61C256AL Ver la hoja de datos (PDF) - Integrated Silicon Solution
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IS61C256AL Datasheet PDF : 12 Pages
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IS61C256AL
ISSI ®
READ CYCLE SWITCHING CHARACTERISTICS(1) (Over Operating Range)
Symbol
tRC
tAA
tOHA
tACS
tDOE
tLZOE(2)
tHZOE(2)
tLZCS(2)
tHZCS(2)
tPU(3)
tPD(3)
Parameter
Read Cycle Time
Address Access Time
Output Hold Time
CE Access Time
OE Access Time
OE to Low-Z Output
OE to High-Z Output
CE to Low-Z Output
CE to High-Z Output
CE to Power-Up
CE to Power-Down
-10 ns
-12 ns
Min. Max
Min. Max.
Unit
10 —
12 —
ns
— 10
— 12
ns
2—
2—
ns
— 10
— 12
ns
—6
—6
ns
0—
0—
ns
—5
—6
ns
2—
3—
ns
—5
—7
ns
0—
0—
ns
— 10
— 12
ns
Notes:
1. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V
and output loading specified in Figure 1.
2. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
3. Not 100% tested.
AC TEST CONDITIONS
Parameter
Input Pulse Level
Input Rise and Fall Times
Input and Output Timing
and Reference Levels
Output Load
Unit
0V to 3.0V
3 ns
1.5V
See Figures 1 and 2
AC TEST LOADS
5V
480 Ω
OUTPUT
30 pF
Including
jig and
scope
Figure 1
255 Ω
480 Ω
5V
OUTPUT
5 pF
Including
jig and
scope
Figure 2
255 Ω
4
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. B
10/23/06
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