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X20C04 Datasheet, PDF (7/15 Pages) Xicor Inc. – Nonvolatile Static RAM
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X20C04
Write Cycle Limits
Symbol
tWC
tCW
tAS
tWP
tWR
tDW
tDH
tWZ(4)
tOW(4)
tOZ(4)
Parameter
Write Cycle Time
Chip Enable to End of Write Input
Address Setup Time
Write Pulse Width
Write Recovery Time
Data Setup to End of Write
Data Hold Time
Write Enable to Output in High Z
Output Active from End of Write
Output Enable to Output in High Z
X20C04-15 X20C04-20 X20C04-25 X20C04
Min. Max. Min. Max. Min. Max. Min. Max. Units
150
200
250
300
ns
150
200
250
300
ns
0
0
0
0
ns
100
120
150
200
ns
0
0
0
0
ns
100
120
150
200
ns
0
0
0
0
ns
80
100
100
100 ns
5
5
5
5
ns
80
100
100
100 ns
3825 PGM T11
WE Controlled Write Cycle
tWC
ADDRESS
OE
CE
WE
DATA OUT
DATA IN
tCW
tAS
tWP
tWR
tOZ
tOW
tDW
tDH
DATA VALID
Note: (4) tWZ, tOW, and tOZ are periodically sampled and not 100% tested.
3825 FHD F06
7
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