IC61LV2568 Datasheet, PDF (5/9 Pages) Integrated Circuit Solution Inc – 256K x 8 Hight Speed SRAM with 3.3V

IC61LV2568
READ CYCLE SWITCHING CHARACTERISTICS⁽¹⁾ (Over Operating Range)
Symbol Parameter
-8 ns
-10 ns
-12 ns
-15 ns
Min. Max. Min. Max. Min. Max. Min. Max. Unit
tRC Read Cycle Time
8 — 10 — 12 — 15 — ns
tAA Address Access Time
— 8 — 10 — 12 — 15 ns
tOHA
tACE
tDOE
tLZOE⁽²⁾
tHZOE⁽²⁾
tLZCE⁽²⁾
tHZCE⁽²⁾
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
3 — 3 — 3 — 3 — ns
— 8 — 10 — 12 — 15 ns
— 3 — 4 — 5 — 6 ns
0 — 0 — 0 — 0 — ns
0 3 0 4 0 5 0 6 ns
3 — 3 — 3 — 3 — ns
0 3 0 4 0 5 0 6 ns
Notes:
1. Test conditions assume signal transition times of 3 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 ±200 mV from steady-state voltage. Not
100% tested.
AC TEST CONDITIONS
Parameter
Unit
Input Pulse Level
Input Rise and Fall Times
Input and Output Timing
and Reference Levels
Output Load
0V to 3.0V
3 ns
1.5V
See Figures 1 and 2
Notes:
1. The Vcc operating range for 8 ns is 3.3V +10%, -5%.
AC TEST LOADS
3.3V
319 Ω
3.3V
319 Ω
OUTPUT
30 pF
Including
jig and
scope
Figure 1.
353 Ω
OUTPUT
5 pF
Including
jig and
scope
353 Ω
Figure 2.
Integrated Circuit Solution, Inc.
5
AHSR023-0A 09/12/2001