X20C17
Write Cycle Limits
X20C17-35
X20C17-45
X20C17-55
Symbol
Parameter
Min.
35
30
0
Max.
Min.
45
35
0
Max.
Min.
55
40
0
Max.
Units
ns
t
t
Write Cycle Time
WC
Chip Enable to End of Write Input
Address Setup Time
ns
CW
t
ns
AS
WP
WR
DW
t
Write Pulse Width
30
0
35
0
40
0
ns
t
t
Write Recovery Time
ns
Data Setup to End of Write
Data Hold Time
15
3
20
3
25
3
ns
t
ns
DH
t
OE High Hold Time
0
0
0
ns
OEH
t
OE High Setup Time
0
0
0
ns
OES
(4)
OZ
t
Output Enable to Output in High Z
15
20
25
ns
Write Cycle
t
WC
Address
OE
t
CW
CE
t
t
t
WR
AS
WP
WE
t
t
OEH
OZ
Data Out
Data In
t
t
DH
DW
Data Valid
Notes: (4) t , t are periodically sampled and not 100% tested.
OW OZ
Characteristics subject to change without notice. 7 of 12
XICOR [ XICOR INC. ]
