P4C1024L-70TI データシートの表示（PDF） - Semiconductor Corporation
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P4C1024L-70TI Datasheet PDF : 11 Pages
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AC CHARACTERISTICS - WRITE CYCLE
(Over Recommended Operating Temperature & Supply Voltage)
Symbol
Parameter
-55
Min
Max
tWC
Write Cycle Time
55
tCW
Chip Enable Time
to End of Write
50
tAW
Address Valid to
End of Write
50
tAS
Address Set-up
Time
0
tWP
Write Pulse Width
40
tAH
Address Hold
Time
0
tDW
Data Valid to End
of Write
25
tDH
Data Hold Time
0
tWZ
Write Enable to
Output in High Z
25
tOW
Output Active from
End of Write
5
-70
Min
Max
70
60
60
0
50
0
30
0
30
5
WRITE CYCLE NO. 1 (WE CONTROLLED)(6)
P4C1024L
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes:
6. CE1 and WE are LOW and CE2 is HIGH for WRITE cycle.
7. OE is LOW for this WRITE cycle to show twz and tow.
8. If CE1 goes HIGH or CE2 goes LOW 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.
Document # SRAM125 REV C
Page 5 of 10
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