P3C1256-12JC View Datasheet(PDF) - Performance Semiconductor
Part Name
Description
MFG CO.
'P3C1256-12JC' PDF : 8 Pages View PDF
P3C1256
AC CHARACTERISTICS—WRITE CYCLE
(Over Recommended Operating Temperature & Supply Voltage)
Symbol
Parameter
-12
-15
-20
-25
Unit
Min Max Min Max Min Max Min Max
t
WC
Write Cycle Time
12
15
20
25
ns
t
CW
Chip Enable Time to
10
12
15
18
ns
End of Write
tAW Address Valid to
10
12
15
18
ns
End of Write
tAS
Address Set-up
0
0
0
0
ns
Time
tWP Write Pulse Width
9
11
15
18
ns
t
Address Hold Time
0
0
0
0
ns
AH
tDW Data Valid to End of
8
10
12
15
ns
Write
tDH
Data Hold Time
tWZ Write Enable to
Output in High Z
0
0
0
0
ns
7
8
10
11
ns
t
Output Active from
3
3
3
3
ns
OW
End of Write
WRITE CYCLE NO. 1 (WE CONTROLLED)(6)
ADDRESS
CE
tCW
(9)
tWC
WE
DATA IN
(7)
DATA OUT
tAW
tWP
tAH
tAS
DATA UNDEFINED
tWZ(4)
tDW
DATA VALID
tDH
tOW (4,7)
HIGH IMPEDANCE
Notes:
6.
CE
1
and
WE
must
be
LOW
for
WRITE
cycle.
7. OE is LOW for this WRITE cycle to show tWZ and tOW.
8.
If
CE
1
goes
HIGH
simultaneously
with
WE
HIGH,
the
output
remains
in a high impedance state.
9. Write Cycle Time is measured from the last valid address to the first
transitioning address.
137
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