IS61LV12816L
6
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. F
10/27/05
ISSI
®
AC TEST CONDITIONS
Parameter Unit
Input Pulse Level 0V to 3.0V
Input Rise and Fall Times 3 ns
Input and Output Timing 1.5V
and Reference Level
Output Load See Figures 1 and 2
AC TEST LOADS
Figure 1.
319 Ω
5 pF
Including
jig and
scope
353 Ω
OUTPUT
3.3V
Figure 2.
READ CYCLE SWITCHING CHARACTERISTICS
(1)
(Over Operating Range)
-8 ns -10 ns
Symbol Parameter Min. Max Min. Max. Unit
tRC Read Cycle Time 8 — 10 — ns
tAA Address Access Time — 8 — 10 ns
tOHA Output Hold Time 3 — 3 — ns
tACE CE Access Time — 8 — 10 ns
tDOE OE Access Time — 3.5 — 4 ns
tHZOE
(2)
OE to High-Z Output — 3.5 — 4 ns
tLZOE
(2)
OE to Low-Z Output 0 — 0 — ns
tHZCE
(2)
CE to High-Z Output 0 3.5 0 4 ns
tLZCE
(2)
CE to Low-Z Output 3.5 — 3 — ns
tBA LB, UB Access Time — 3.5 — 4 ns
tHZB
(2)
LB, UB to High-Z Output 0 3.5 0 4 ns
tLZB
(2)
LB, UB to Low-Z Output 0 — 0 — ns
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.
Z
O
= 50Ω
1.5V
50Ω
OUTPUT
30 pF
Including
jig and
scope
