AS7C1024
AS7C31024
®
Write cycle (over the operating range)
-10
-12
-15
-20
Parameter
Write cycle time
Symbol Min Max Min Max Min Max Min Max Unit
Notes
tWC
tCW1
tCW2
tAW
tAS
10
9
9
9
0
7
0
6
0
–
3
–
–
–
–
–
–
–
–
–
5
–
12
10
10
10
0
–
–
–
–
–
–
–
–
–
5
–
15
12
12
12
0
–
–
–
–
–
–
–
–
–
5
–
20
12
12
12
0
–
–
–
–
–
–
–
–
–
5
–
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Chip enable (CE1) to write end
Chip enable (CE2) to write end
Address setup to write end
Address setup time
12
12
12
Write pulse width
tWP
tAH
tDW
tDH
tWZ
tOW
8
9
12
0
Address hold from end of write
Data valid to write end
0
0
6
9
10
0
Data hold time
0
0
4, 5
4, 5
4, 5
Write enable to output in high Z
Output active from write end
Shaded areas contain advance information.
–
–
–
3
3
3
Write waveform 1 ( WE controlled)
t
WC
t
t
t
t
AW
AH
DH
Address
WE
WP
t
AS
t
DW
D
Data valid
IN
t
t
WZ
OW
D
OUT
Write waveform 2 (CE1 and CE2 controlled)
t
WC
t
t
AH
AW
Address
t
t
, t
AS
CW1 CW2
CE1
CE2
t
WP
WE
t
t
t
DH
WZ
DW
D
Data valid
IN
D
OUT
11/ 29/ 00
ALLIANCE SEMICONDUCTOR
5
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
