X20C05
Write Cycle Limits
X20C05-25 X20C05-35 X20C05-45 X20C05-55
Symbol
Parameter
Min. Max. Min. Max. Min. Max. Min. Max. Units
t
t
Write Cycle Time
25
25
0
35
30
0
45
35
0
55
40
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
WC
CW
Chip Enable to End of Write Input
Address Setup Time
t
AS
WP
WR
DW
t
t
t
Write Pulse Width
30
0
30
0
35
0
40
0
Write Recovery Time
Data Setup to End of Write
Data Hold Time
15
0
15
0
20
3
25
3
t
DH
(4)
t
Write Enable to Output in High Z
Output Active from End of Write
Output Enable to Output in High Z
15
15
20
20
25
25
WZ
(4)
t
5
5
5
5
OW
(4)
t
ns
OZ
3827 PGM T11
WE Controlled Write Cycle
t
WC
ADDRESS
OE
t
CW
CE
WE
t
t
t
AS
t
WP
WR
t
OZ
OW
DATA OUT
DATA IN
t
t
DW
DH
DATA VALID
3827 FHD F06
Note: (4) t , t
WZ OW
and t
are periodically sampled and not 100% tested.
OZ
7
XICOR [ XICOR INC. ]
