AS7C1024 ETC, AS7C1024 Datasheet - Page 4

• Manufacturer Part Number: AS7C1024
• Description: 5V/3.3V 128K8 CMOS SRAM (Evolutionary Pinout)
• Manufacturer: ETC

Read cycle (over the operating range)
Key to switching waveforms
Read waveform 1 (address controlled)
Read waveform 2 (CE1, CE2, and OE controlled)
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 Low 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
AS7C1024
AS7C31024
Current
Address
4
supply
D
D
CE1
CE2
OUT
OUT
OE
Rising input
Parameter
t
CLZ1
t
t
ACE1
PU
, t
CLZ2
,
tACE2
t
ALLIANCE SEMICONDUCTOR
OE
Symbol
50%
t
t
t
t
AA
t
t
t
t
t
OLZ
CHZ1
CHZ2
t
ACE1
ACE2
t
CLZ1
CLZ2
t
t
t
OHZ
t
OLZ
t
OH
RC
AA
OE
PU
PD
t
RC1
t
RC
Falling input
Min
10
–
–
–
–
2
3
3
–
–
0
–
0
–
-10
Max
10
10
10
10
–
3
–
–
–
3
3
–
3
–
Data valid
Min
12
–
–
–
–
3
3
3
–
–
0
–
0
–
Data valid
®
-12
Max
12
12
12
12
–
3
–
–
–
3
3
–
3
–
t
OH
Min
15
3
3
3
0
0
–
–
–
–
–
–
–
–
t
Undefined / don’t care
PD
-15
50%
t
CHZ1
t
OHZ
Max
15
15
15
15
–
4
–
–
–
4
4
–
4
–
, t
CHZ2
Min
20
–
–
–
–
3
3
3
–
–
0
–
0
–
-20
Max
20
20
20
20
5
–
–
–
5
5
–
5
–
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4, 5, 12
4, 5, 12
4, 5, 12
4, 5, 12
4, 5, 12
4, 5, 12
Notes
3, 12
3, 12
4, 5
4, 5
11/29/00
3
5
I
I
CC
SB