X20C16
Write Cycle Limits
X20C16-35
Symbol
t
WC
t
CW
t
AS
t
WP
t
WR
t
DW
t
DH
t
WZ
(4)
t
OW
(4)
t
OZ
(4)
Note:
X20C16-45
Min.
45
35
0
35
0
20
3
X20C16-55
Min.
55
40
0
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
Min.
35
30
0
30
0
15
3
Max.
Max.
Max.
Unit
ns
ns
ns
40
0
25
3
du
20
5
20
t
WR
t
OW
t
DH
15
5
15
5
ro
t
WP
t
DW
Data Valid
(4) t
WZ
, t
OW
, t
OZ
are periodically sampled and not 100% tested.
OE
et
e
Address
CE
ol
t
AS
WE
bs
t
OZ
Data Out
O
Data In
P
WE Controlled Write Cycle
t
WC
t
CW
REV 1.0 6/21/00
www.xicor.com
Characteristics subject to change without notice.
ct
ns
ns
ns
ns
25
25
ns
ns
ns
8 of 21
XICOR [ XICOR INC. ]
