®
ISSI
IS61LV12816L
AC TEST CONDITIONS
Parameter
Unit
0V to 3.0V
3 ns
Input Pulse Level
Input Rise and Fall Times
Input and Output Timing
andReferenceLevel
1.5V
OutputLoad
See Figures 1 and 2
AC TEST LOADS
319 Ω
3.3V
ZO = 50Ω
50Ω
1.5V
OUTPUT
OUTPUT
30 pF
Including
jig and
scope
353 Ω
5 pF
Including
jig and
scope
Figure 1.
Figure 2.
READ CYCLE SWITCHING CHARACTERISTICS(1) (Over Operating Range)
-8 ns
-10 ns
Symbol
tRC
Parameter
Min.
Max
—
Min. Max.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Read Cycle Time
8
—
3
10
—
3
—
10
—
10
4
tAA
Address Access Time
Output Hold Time
8
tOHA
—
tACE
CE Access Time
—
—
—
0
8
—
—
—
0
tDOE
OE Access Time
3.5
3.5
—
(2)
tHZOE
OE to High-Z Output
OE to Low-Z Output
CE to High-Z Output
CE to Low-Z Output
LB, UB Access Time
LB, UB to High-Z Output
LB, UB to Low-Z Output
4
(2)
tLZOE
—
4
(2)
tHZCE
0
3.5
—
0
(2)
tLZCE
3.5
—
0
3
—
4
tBA
3.5
3.5
—
—
0
(2)
tHZB
4
(2)
tLZB
0
0
—
Notes:
1. Test conditions assume signal transition times of 3 ns or less, timing reference levels of 1.5V, input pulse levels of 0V 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.
6
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. F
10/27/05
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
