P4C1256 データシートの表示（PDF） - Semiconductor Corporation
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P4C1256 Datasheet PDF : 17 Pages
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P4C1256
AC CHARACTERISTICS—WRITE CYCLE
(V = 5V ± 10%, All Temperature Ranges)(2)
CC
Sym.
Parameter
-12
-15
-20
-25
-35
-45
-55
-70
Unit
Min Max Min Max Min Max Min Max Min Max Min Max Min Max Min Max
tWC Write Cycle Time 12
15
20
25
35
45
55
70
ns
tCW Chip Enable
9
10
15
18
22
30
35
40
ns
Time to End of
Write
tAW Address Valid to 9
10
15
20
25
35
40
45
ns
End of Write
tAS Address Set-up 0
0
0
0
0
0
0
0
ns
Time
tWP Write Pulse
9
11
15
18
22
25
30
35
ns
Width
t
AH
Address Hold
0
0
0
0
0
0
0
0
ns
Time
tDW Data Valid to
8
End of Write
9
11
13
15
20
25
30
ns
tDH Date Hold Time 0
tWZ Write Enable to
Output in High Z
0
7
8
0
0
0
0
0
0
ns
10
11
15
18
25
30 ns
tOW Output Active
3
3
3
3
5
5
0
0
ns
from End of Write
TIMING WAVEFORM OF WRITE CYCLE NO. 1 (WE CONTROLLED)(10,11)
Document # SRAM119 REV G
Page 6 of 17
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