AS7C31025B
®
Read cycle (over the operating range)3,9
-10
-12
-15
-20
Parameter
Read cycle time
Symbol Min Max Min Max Min Max Min Max Unit Notes
t
10
–
–
–
3
3
–
0
–
0
–
–
10
10
5
12
–
–
–
3
3
–
0
–
0
–
–
12
12
6
15
–
–
–
3
3
–
0
–
0
–
–
15
15
7
20
–
–
–
3
3
–
0
–
0
–
–
20
20
8
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
RC
Address access time
t
3
3
AA
Chip enable (CE) access time
Output enable (OE) access time
Output hold from address change
CE low to output in low Z
CE high to output in high Z
OE low to output in low Z
OE high to output in high Z
Power up time
t
ACE
t
OE
OH
t
–
–
–
–
5
t
–
–
–
–
4, 5
4, 5
4, 5
4, 5
4, 5
4, 5
CLZ
CHZ
t
3
3
4
5
t
–
–
–
–
OLZ
OHZ
t
5
6
7
8
t
t
–
–
–
–
PU
PD
Power down time
10
12
15
20
Key to switching waveforms
Rising input
Falling input
Undefined/don’t care
Read waveform 1 (address controlled)3,6,7,9
t
RC
Address
t
t
AA
OH
D
Data valid
OUT
Read waveform 2 (CE and OE controlled)3,6,8,9
t
RC1
CE
t
OE
OE
t
t
OHZ
OLZ
t
CHZ
t
ACE
D
OUT
Data valid
t
t
CLZ
t
I
PD
CC
PU
Supply
current
I
SB
50%
50%
3/24/04, v. 1.3
Alliance Semiconductor
P. 4 of 9
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
