®
AS7C1024
AS7C31024
Write cycle (over the operating range)
-10
Parameter
Write cycle time
Chip enable (CE1) to write end
Chip enable (CE2) 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
Shaded areas contain advance information.
-12
Min
12
10
10
10
0
8
0
6
0
–
3
Max
–
–
–
–
–
–
–
–
–
5
–
–
–
–
–
–
–
–
–
–
5
–
15
12
12
12
0
9
0
9
0
–
3
-15
Min
Max
–
–
–
–
–
–
–
–
–
5
–
20
12
12
12
0
12
0
10
0
–
3
-20
Min
Max
–
–
–
–
–
–
–
–
–
5
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4, 5
4, 5
4, 5
12
12
12
Notes
Symbol
t
WC
t
CW1
t
CW2
t
AW
t
AS
t
WP
t
AH
t
DW
t
DH
t
WZ
t
OW
Min
10
9
9
9
0
7
0
6
0
–
3
Max
Write waveform 1 ( WE controlled)
t
AW
Address
t
WP
WE
t
AS
D
IN
t
WZ
D
OUT
t
DW
Data valid
t
OW
t
DH
t
WC
t
AH
Write waveform 2 (CE1 and CE2 controlled)
t
AW
Address
t
AS
CE1
CE2
WE
t
WZ
D
IN
D
OUT
t
WP
t
DW
Data valid
t
DH
t
CW1
, t
CW2
t
WC
t
AH
11/29/00
ALLIANCE SEMICONDUCTOR
5
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
