AS6UA5128
®
Write cycle (over the operating range)11
–55
–70
Parameter
Write cycle time
Symbol
tWC
tCW
tAW
tAS
Min
55
40
40
0
Max
–
Min
70
60
60
0
Max
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
12
Chip select to write end
Address setup to write end
Address setup time
–
–
–
–
–
–
12
Write pulse width
tWP
tAH
tDW
tDH
35
0
–
55
0
–
Address hold from end of write
Data valid to write end
Data hold time
–
–
25
0
–
30
0
–
–
–
4, 5
4, 5
4, 5
Write enable to output in high Z tWZ
Output active from write end tOW
0
20
–
0
20
–
5
5
Write waveform 1 (WE controlled)10,11
t
WC
t
t
t
AW
AH
Address
WE
t
WP
t
AS
t
DW
DH
D
Data valid
IN
t
t
WZ
OW
D
OUT
Write waveform 2 (CS controlled)10,11
t
WC
t
t
AH
AW
Address
t
t
CW
AS
CS
t
WP
WE
t
t
t
DH
WZ
DW
D
Data valid
IN
D
OUT
5/25/01; v.1.1
Alliance Semiconductor
P. 5 of 9
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
