AS6VA5128
®
Read cycle (over the operating range)
Parameter
Read cycle time
Symbol
tRC
Min
55
–
Max
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
Address access time
tAA
55
55
25
–
3
3
Chip select (CS) access time
Output enable (OE) access time
Output hold from address change
CS low to output in low Z
CS high to output in high Z
OE low to output in low Z
OE high to output in high Z
Power up time
tACS
tOE
–
–
tOH
10
10
0
5
tCLZ
tCHZ
tOLZ
tOHZ
tPU
–
4, 5
4, 5
4, 5
4, 5
4, 5
4, 5
20
–
5
0
20
–
0
Power down time
tPD
–
55
Shaded areas indicate preliminary information.
Key to switching waveforms
Rising input
Falling input
Undefined/ don’t care
Read waveform 1 (address controlled)
t
RC
Address
t
AA
t
t
OH
OH
D
Previous data valid
Data valid
OUT
Read waveform 2 (CS, OE controlled)
t
RC1
CS
t
OE
OE
t
t
OHZ
OLZ
t
t
ACE
CHZ
D
OUT
Data valid
t
CLZ
t
PD
I
CC
t
Supply
current
PU
I
SB
50%
50%
4
ALLIANCE SEMICONDUCTOR
7/ 14/ 00
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
