IS61C64B-10J(2002) Просмотр технического описания (PDF) - Integrated Silicon Solution
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IS61C64B-10J Datasheet PDF : 9 Pages
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IS61C64B
ISSI ®
READ CYCLE SWITCHING CHARACTERISTICS(1) (Over Operating Range)
Symbol Parameter
–10 ns
-12 ns
-15 ns
Min. Max.
Min. Max.
Min. Max.
Unit
1
tRC Read Cycle Time
10 —
12 —
15 —
ns
tAA Address Access Time
tOHA Output Hold Time
— 10
— 12
— 15
ns
2—
2—
2—
ns
2
tACE CE Access Time
— 10
— 12
— 15
ns
tDOE OE Access Time
tLZOE(2) OE to Low-Z Output
—5
—6
—7
ns
0—
0—
0—
ns
3
tHZOE(2) OE to High-Z Output
—5
—6
—6
ns
tLZCE1(2) CE to Low-Z Output
tHZCE(2) CE to High-Z Output
2—
3—
3—
ns
—5
—7
—8
ns
4
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 1a.
2. Tested with the load in Figure 1b. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
5
AC TEST CONDITIONS
6
Parameter
Unit
Input Pulse Level
Input Rise and Fall Times
0V to 3.0V
3 ns
7
Input and Output Timing
1.5V
and Reference Level
Output Load
See Figures 1a and 1b
8
AC TEST LOADS
9
480 Ω
5V
OUTPUT
30 pF
Including
jig and
scope
255 Ω
Figure 1a.
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. D
07/01/02
480 Ω
5V
OUTPUT
5 pF
Including
jig and
scope
255 Ω
Figure 1b.
10
11
12
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