X20C04
Write Cycle Limits
X20C04-15
Symbol
t
WC
t
CW
t
AS
t
WP
t
WR
t
DW
t
DH
t
WZ(4)
t
OW(4)
t
OZ(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
150
150
0
100
0
100
0
80
5
80
5
100
X20C04-20
200
200
0
120
0
120
0
100
5
100
X20C04-25
250
250
0
150
0
150
0
100
5
100
X20C04
300
300
0
200
0
200
0
100
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Min. Max. Min.
Max. Min. Max. Min. Max. Units
3825 PGM T11
WE
Controlled Write Cycle
tWC
ADDRESS
OE
tCW
CE
tAS
WE
tOZ
DATA OUT
tDW
DATA IN
DATA VALID
3825 FHD F06
tWP
tWR
tOW
tDH
Note:
(4) t
WZ
, t
OW
, and t
OZ
are periodically sampled and not 100% tested.
7
XICOR [ XICOR INC. ]
