®
AS7C1025A
AS7C31025A
Write cycle (over the operating range)
11
-10
Parameter
Write cycle time
Chip enable (CE) to write end
Address setup to write end
Address setup time
Write pulse width
Address hold from end of write
Data valid to write end
Data hold time
Write enable to output in high Z
Output active from write end
Symbol
t
WC
t
CW
t
AW
t
AS
t
WP
t
AH
t
DW
t
DH
t
WZ
t
OW
1
Min
10
8
8
0
7
0
5
0
6
12
10
9
0
8
0
6
0
–
1
-12
Max
–
–
–
–
–
–
–
–
6
–
15
12
10
0
9
0
8
0
–
1
-15
Min
Max
–
–
–
–
–
–
–
–
6
–
20
12
12
0
12
0
10
0
–
2
-20
Min
Max
–
–
–
–
–
–
–
–
8
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4, 5
4, 5
4, 5
Notes
Max Min
Write waveform 1 (WE controlled)
10,11
t
WC
t
AW
Address
t
WP
WE
t
AS
D
IN
t
WZ
D
OUT
t
DW
Data valid
t
OW
t
DH
t
AH
Write waveform 2 (CE controlled)
10,11
t
AW
Address
t
AS
CE
t
WP
WE
t
WZ
D
IN
D
OUT
t
DW
Data valid
t
DH
t
CW
t
WC
t
AH
2/6/01; V.0.9
Alliance Semiconductor
P. 5 of 8
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
