AS7C3256A
®
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
OE HIGH to output in high Z
Power up time
Power down time
Symbol Min
t
RC
t
AA
t
ACE
t
OE
t
OH
t
CLZ
t
CHZ
t
OLZ
t
OHZ
t
PU
t
PD
10
–
–
–
3
3
–
0
–
0
–
Max
–
10
10
5
–
–
3
–
3
–
10
Min
12
–
–
–
3
3
–
0
–
0
–
-12
Max
–
12
12
6
–
–
3
–
3
–
12
Min
15
–
–
–
3
3
–
0
–
0
–
-15
Max
–
15
15
7
–
–
4
–
4
–
15
Min
20
–
–
–
3
3
–
0
–
0
–
-20
Max
–
20
20
8
–
–
5
–
5
–
20
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5
4, 5
4, 5
4, 5
4, 5
4, 5
4, 5
3
3
Notes
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
t
AA
D
out
Data valid
t
OH
Read waveform 2 (CE controlled)
3,6,8,9
t
RC1
CE
t
OE
OE
t
OLZ
D
out
t
CLZ
Supply
current
t
PU
50%
t
ACE
Data valid
t
PD
50%
I
CC
I
SB
t
OHZ
t
CHZ
4/23/04; v.2.0
Alliance Semiconductor
P. 4 of 9
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
