SRAM
AS8S512K32
& AS8S512K32A
Austin Semiconductor, Inc.
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS
(NOTE 5) (-55oC<TA < 125oC and -40oC to +85oC;VCC = 5V +10%)
-12
-15
-17
-20
-25
-35
-45
-55
DESCRIPTION
READ CYCLE
SYMBOL
UNITS NOTES
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
tRC
tAA
tACS
tOH
tLZCS
tHZCS
tAOE
tLZOE
tHZOE
12
15
READ cycle time
17
20
25
35
45
55
ns
ns
ns
ns
12
12
15
15
Address access time
17
17
20
20
25
25
35
35
45
45
55
55
Chip select access time
Output hold from address change
Chip select to output in Low-Z
Chip select to output in High-Z
Output enable access time
Output enable to output in Low-Z
Output disable to output in High-Z
WRITE CYCLE
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
ns
ns
ns
ns
ns
4,6,7
4,6,7
7
7
8
8
9
9
10
10
12
12
15
15
20
20
20
20
0
0
0
0
0
0
0
0
4,6
4,6
12
12
12
15
20
20
tWC
tCW
WRITE cycle time
12
10
10
2
15
12
12
2
17
15
15
2
20
15
15
2
25
17
17
2
35
20
20
2
45
25
25
2
55
25
25
2
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Chip select to end of write
Address valid to end of write
Address setup time
tAW
tAS
tAH
Address hold from end of write
WRITE pulse width
1
1
1
1
1
1
1
1
tWP1
tWP2
tDS
10
10
8
12
12
10
0
15
15
12
0
15
15
10
0
17
17
12
0
20
20
15
0
25
25
20
0
25
25
20
0
WRITE pulse width
Data setup time
tDH
tLZWE
tHZWE
Data hold time
0
Write disable to output in Low-z
Write enable to output in High-Z
2
2
2
2
2
2
2
2
4,6,7
4,6,7
7
8
9
11
13
15
15
15
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
AS8S512K32 & AS8S512K32A
Rev. 6.0 6/05
5
MICROSS [ MICROSS COMPONENTS ]
