as7c164 Alliance Memory, Inc, as7c164 Datasheet - Page 4

• Manufacturer Part Number: as7c164
• Description: Static Random Access Memory
• Manufacturer: Alliance Memory, Inc

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
current
Address
Supply
D
D
CE1
CE2
OUT
OUT
OE
Rising input
t
CLZ1,
t
t
ACE1,
PU
t
CLZ2
t
ACE2
t
OE
50%
$OOLDQFH 6HPLFRQGXFWRU
t
t
AA
OLZ
t

RC
    
Falling input
Symbol
1
t
t
t
t
t
t
t
t
CHZ1
CHZ2
t
ACE1
ACE2
t
CLZ1
CLZ2
RC
t
t
t
OHZ
t
OLZ
t
OH
RC
AA
OE
PU
PD
    
Min
12
–
–
–
–
3
3
3
–
–
0
–
0
–
Data valid
-12
Data valid
Max
12
12
12
12
Š
–
6
–
–
–
3
3
–
3
–
Min
15
–
–
–
–
3
3
3
–
–
0
–
0
–
t
OH
-15
t
Undefined/don’t care
PD
Max
50%
t
t
15
15
15
15
CHZ1,
OHZ
–
7
–
–
–
4
4
–
4
–
t
CHZ2
Min
20
–
–
–
–
3
3
3
–
–
0
–
0
–
-20
Max
20
20
20
20
–
8
–
–
–
5
5
–
5
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
$6&
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
I
I
CC
SB