P4C174-12JC データシートの表示（PDF） - Performance Semiconductor
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P4C174-12JC Datasheet PDF : 10 Pages
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P4C174
AC CHARACTERISTICS - WRITE CYCLE
(V
CC
=
5V
±
10%,
0°C
to
+70°C)
Symbol
Parameter
–8
–10
–12
–15
–20
–25
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
tWC
Write Cycle Time
8
10
12
15
20
20
ns
tCW
Chip Enable LOW to End of 7
9
10
12
15
15
ns
Write
tAS
Address Valid to Beginning 0
0
0
0
0
0
ns
of Write
tAW
Address Valid to End of
7
9
10
12
15
15
ns
Write
tAH
End of Write to Address
0
0
0
0
0
0
ns
Change
tWP
Write Pulse Width
7
9
10
12
15
15
ns
t
Data Valid to End of Write
6
6
6
7
10
10
ns
DW
tDH
End of Write to Data Change 0
0
0
0
0
0
ns
tOW
Write Enable HIGH to Output 0
0
0
0
0
0
ns
LOW-Z (1)
tWZ
Write Enable LOW to Output
4
HIGH-Z (1)
4
4
5
7
7 ns
WRITE CYCLE NO. 1 (WE CONTROLLED)(6)
ADDRESS
CE
tCW
(7)
tWC
WE
DATA IN
(8)
DATA OUT
tAW
t WP
tAH
tAS
DATA UNDEFINED
(1)
tWZ
tDW
DATA VALID
tDH
tOW(1)
HIGH IMPEDANCE
104
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