AS7C1029 ALSC [Alliance Semiconductor Corporation], AS7C1029 Datasheet - Page 4

• Manufacturer Part Number: AS7C1029
• Description: 5V 256K X 4 CMOS SRAM (Center power and ground)
• Manufacturer: ALSC [Alliance Semiconductor Corporation]

12/5/06, v. 1.0
Key to switching waveforms
Read waveform 1 (address controlled)
Read waveform 2 (CE and OE controlled)
Read cycle (over the operating range)
Address
Read cycle time
Address access time
Chip enable (CE) access time
Output enable (OE) access time
Output hold from address change
CE
CE 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
Supply
current
D
D
OUT
low t
OUT
OE
CE
o output in low Z
Rising input
Parameter
t
t
PU
CLZ
t
ACE
t
OE
t
50%
t
AA
OLZ
t
RC1
Alliance Memory
t
RC
3,9
Falling input
3,6,7,9
3,6,8,9
Data valid
Data valid
Symbol
t
t
t
t
t
®
t
t
t
ACE
t
CHZ
OHZ
CLZ
OLZ
t
t
AA
OH
RC
OE
PU
PD
t
OH
t
Min
Undefined/don’t care
PD
12
AS7C1029-12
–
–
–
4
3
0
0
0
0
–
50%
t
t
OHZ
CHZ
Max
12
12
12
–
6
–
–
6
–
5
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
P. 4 of 9
AS7C1029
Notes
4, 5
4, 5
4, 5
4, 5
4, 5
4, 5
3
3
5
I
I
CC
SB