AS7C31026B
®
Read cycle (over the operating range)
3,9
-10
Parameter
Read cycle time
Address access time
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
Byte select access time
Byte select Low to low Z
Byte select High to high Z
OE high to output in high Z
Power up time
Power down time
Symbol
t
RC
t
AA
t
ACE
t
OE
t
OH
t
CLZ
t
CHZ
t
OLZ
t
BA
t
BLZ
t
BHZ
t
OHZ
t
PU
t
PD
Min
10
–
–
–
3
3
–
0
–
0
–
–
0
–
Max
–
10
10
5
–
–
3
–
5
–
5
5
–
10
Min
12
–
–
–
3
3
–
0
–
0
–
–
0
–
-12
Max
–
12
12
6
–
–
3
–
6
–
6
6
–
12
Min
15
–
–
–
3
3
–
0
–
0
–
–
0
–
-15
Max
–
15
15
7
–
–
4
–
7
–
6
7
–
15
Min
20
–
–
–
3
3
–
0
–
0
–
–
0
-20
Max
–
20
20
8
–
–
5
–
8
–
8
8
–
20
Unit Notes
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4, 5
4, 5
4, 5
4, 5
4, 5
5
4, 5
4, 5
4, 5
3
3
Key to switching waveforms
Rising input
Falling input
Undefined output/don’t care
Read waveform 1 (address controlled)
3,6,7,9
t
RC
Address
Data
OUT
t
OH
Previous data valid
t
AA
Data valid
t
OH
3/26/04, v 1.3
Alliance Semiconductor
P. 4 of 10
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
