AS6UA25617
Write cycle (over the operating range)
–55
Parameter
Write cycle time
Chip selects 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
UB/LB low to end of write
Shaded areas indicate preliminary information.
–70
Max
–
–
–
–
–
–
–
–
20
–
–
Min
70
60
60
0
55
0
30
0
0
5
55
Max
–
–
–
–
–
–
–
–
20
–
–
Min
100
80
80
0
70
0
40
0
0
5
70
–100
Max
–
–
–
–
–
–
–
–
20
–
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4, 5
4, 5
4, 5
12
12
Notes
Symbol
t
WC
t
CW
t
AW
t
AS
t
WP
t
AH
t
DW
t
DH
t
WZ
t
OW
t
BW
Min
55
40
40
0
35
0
25
0
0
5
35
Write waveform 1 (WE controlled)
t
WC
Address
t
CW
CS1
CS2
LB, UB
WE
D
IN
D
OUT
Data undefined
t
WC
t
CW
t
AW
t
AW
t
AS
LB, UB
WE
t
DW
D
IN
D
OUT
t
CLZ
High Z
t
WZ
Data undefined
Data valid
t
OW
High Z
t
DH
t
CW
t
BW
t
WP
t
AH
t
AH
t
AS
t
CW
t
BW
t
AW
t
WP
t
DW
t
WZ
Data valid
t
OW
High Z
t
DH
t
AH
t
AH
Write waveform 2 (chip selects controlled)
Address
t
AS
CS1
CS2
5
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
