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IS61C256AH-15JI Datasheet(PDF) 4 Page - Integrated Silicon Solution, Inc

Part # IS61C256AH-15JI
Description  32K x 8 HIGH-SPEED CMOS STATIC RAM
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Manufacturer  ISSI [Integrated Silicon Solution, Inc]
Direct Link  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS61C256AH-15JI Datasheet(HTML) 4 Page - Integrated Silicon Solution, Inc

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Integrated Silicon Solution, Inc. — 1-800-379-4774
SR020-1O
05/24/99
IS61C256AH
ISSI®
READ CYCLE SWITCHING CHARACTERISTICS(1) (Over Operating Range)
-10
-12
-15
-20
-25
Symbol
Parameter
Min.
Max
Min. Max.
Min. Max.
Min. Max.
Min. Max.
Unit
tRC
Read Cycle Time
10
12
15
20
25
ns
tAA
Address Access Time
10
12
15
20
25
ns
tOHA
Output Hold Time
2
2
2
2
2
ns
tACE
CE Access Time
10
12
15
20
25
ns
tDOE
OE Access Time
5
5
7
8
9
ns
tLZOE(2)
OE to Low-Z Output
0
0
0
0
0
ns
tHZOE(2)
OE to High-Z Output
5
6
7
9
10
ns
tLZCE(2)
CE to Low-Z Output
2
3
3
3
3
ns
tHZCE(2)
CE to High-Z Output
5
7
8
9
10
ns
tPU(3)
CE to Power-Up
0
0
0
0
0
ns
tPD(3)
CE to Power-Down
10
12
15
18
20
ns
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 1.
2. Tested with the load in Figure 2. Transition is measured
±500 mV from steady-state voltage. Not 100% tested.
3. Not 100% tested.
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 Levels
Output Load
See Figures 1 and 2
AC TEST LOADS
Figure 1
Figure 2
480
5 pF
Including
jig and
scope
255
OUTPUT
5V
480
30 pF
Including
jig and
scope
255
OUTPUT
5V


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