P4C1256L Ver la hoja de datos (PDF) - Performance Semiconductor
Número de pieza
componentes Descripción
Fabricante
P4C1256L Datasheet PDF : 11 Pages
| |||
AC CHARACTERISTICS - WRITE CYCLE
(Over Recommended Operating Temperature & Supply Voltage)
Symbol
Parameter
-55
Min
Max
tWC
Write Cycle Time
55
t
Chip Enable Time
CW
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
t
Output Active from
OW
End of Write
5
-70
Min
Max
70
60
60
0
50
0
30
0
30
5
TIMING WAVEFORM OF WRITE CYCLE NO. 1 (WE CONTROLLED)(10,11)
P4C1256L
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes:
10. CE and WE must be LOW for WRITE cycle.
11. OE is LOW for this WRITE cycle to show tWZ and tOW.
12. If CE goes HIGH simultaneously with WE HIGH, the output remains
in a high impedance state
13. Write Cycle Time is measured from the last valid address to the first
transitioning address.
Document # SRAM121 REV E
Page 5 of 11
Share Link: 