AS7C31024B
®
Read cycle (over the operating range)
3,9,12
-10
Parameter
Read cycle time
Address access time
Chip enable (CE1) access time
Chip enable (CE2) access time
Output enable (OE) access time
Output hold from address change
CE1 low to output in low Z
CE2 high to output in low Z
CE1 high to output in high Z
CE2 low to output in high Z
OE low to output in low Z
OE high to output in high Z
Power up time
Power down time
Symbol Min
t
RC
t
AA
t
ACE1
t
ACE2
t
OE
t
OH
t
CLZ1
t
CLZ2
t
CHZ1
t
CHZ2
t
OLZ
t
OHZ
t
PU
t
PD
10
–
–
–
–
3
3
3
–
–
0
–
0
–
Max
–
10
10
10
5
–
–
–
3
3
–
5
–
10
12
–
–
–
–
3
3
3
–
–
0
–
0
–
-12
Min
Max
–
12
12
12
6
–
–
–
3
3
–
6
–
12
15
–
–
–
–
3
3
3
–
–
0
–
0
–
-15
Min
Max
–
15
15
15
7
–
–
–
4
4
–
7
–
15
20
–
–
–
–
3
3
3
–
–
-20
Min
Max Unit
ns
20
20
20
8
–
–
–
Notes
3
3, 12
3, 12
5
4, 5, 12
4, 5, 12
4, 5, 12
4, 5, 12
4, 5
4, 5
4, 5, 12
4, 5, 12
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5
5
–
8
–
20
0
–
0
–
Key to switching waveforms
Rising input
Falling input
Undefined / don’t care
Read waveform 1 (address controlled)
3,6,7,9,12
t
RC
Address
D
OUT
t
AA
Data valid
t
OH
Read waveform 2 (CE1, CE2, and OE controlled)
3,6,8,9,12
CE1
CE2
OE
D
OUT
t
ACE1
,
tACE2
t
CLZ1
, t
CLZ2
t
PU
Data valid
t
PD
50%
50%
I
CC
I
SB
t
OE
t
OLZ
t
OHZ
t
CHZ1
, t
CHZ2
t
RC1
Supply
current
3/24/04, v.1.2
Alliance Semiconductor
P. 4 of 9
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
