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IS61LV25616 Datasheet(PDF) 5 Page - Integrated Silicon Solution, Inc

Part No. IS61LV25616
Description  256K x 16 HIGH SPEED ASYNCHRONOUS CMOS STATIC RAM WITH 3.3V SUPPLY
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Maker  ISSI [Integrated Silicon Solution, Inc]
Homepage  http://www.issi.com
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IS61LV25616 Datasheet(HTML) 5 Page - Integrated Silicon Solution, Inc

 
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Integrated Silicon Solution, Inc. — 1-800-379-4774
5
Rev. C
11/01/01
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IS61LV25616
ISSI®
READ CYCLE SWITCHING CHARACTERISTICS(1) (Over Operating Range)
-10
-12
-15
Symbol
Parameter
Min. Max.
Min. Max.
Min. Max.
Unit
tRC
Read Cycle Time
10
12
15
ns
tAA
Address Access Time
10
12
15
ns
tOHA
Output Hold Time
3
3
3
ns
tACE
CE Access Time
10
12
15
ns
tDOE
OE Access Time
4
5
7ns
tHZOE(2)
OE to High-Z Output
4
50
6
ns
tLZOE(2)
OE to Low-Z Output
0
0
0
ns
tHZCE(2
CE to High-Z Output
0
4
0
6
0
8
ns
tLZCE(2)
CE to Low-Z Output
3
3
3
ns
tBA
LB, UB Access Time
4
5
7ns
tHZB(2)
LB, UB to High-Z Output
0
3
0
4
0
5
ns
tLZB(2)
LB, UB to Low-Z Output
0
0
0
ns
tPU
Power Up Time
0
0
0
ns
tPD
Power Down Time
10
12
15
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.
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
Figure 2
319
5 pF
Including
jig and
scope
353
OUTPUT
3.3V
ZO = 50
1.5V
50
OUTPUT
30 pF
Including
jig and
scope


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