AS7C3256A
®
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
t
t
t
t
t
t
t
t
t
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
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
ACE
OE
–
–
–
–
5
OH
–
–
–
–
4, 5
4, 5
4, 5
4, 5
4, 5
4, 5
CLZ
CHZ
OLZ
OHZ
PU
3
3
4
5
–
–
–
–
3
3
4
5
–
–
–
–
Power down time
10
12
15
20
PD
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
tAA
t
OH
D
Data valid
out
Read waveform 2 (CE controlled)3,6,8,9
1
t
RC
CE
OE
t
OE
t
t
t
OLZ
OHZ
CHZ
t
ACE
D
out
Data valid
t
CLZ
t
PD
I
CC
t
PU
I
Supply
current
SB
50%
50%
4/23/04; v.2.0
Alliance Semiconductor
P. 4 of 9
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
