Austin Semiconductor, Inc.
AS8S512K32
& AS8S512K32A
SRAM
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS
(NOTE 5) (-55
o
C<T
A
< 125
o
C and -40
o
C to +85
o
C; V
CC
= 5V +10%)
DESCRIPTION
READ CYCLE
READ cycle time
Address access time
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
WRITE cycle time
Chip select to end of write
Address valid to end of write
Address setup time
Address hold from end of write
WRITE pulse width
WRITE pulse width
Data setup time
Data hold time
Write disable to output in Low-z
Write enable to output in High-Z
SYMBOL
RC
AA
t
ACS
t
OH
t
LZCS
t
HZCS
t
AOE
t
LZOE
t
HZOE
t
t
-12
-15
-17
-20
-25
-35
-45
-55
UNITS NOTES
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
12
12
12
2
2
7
7
0
0
2
2
8
8
0
12
12
10
10
2
1
10
10
8
0
2
7
15
12
12
2
1
12
12
10
0
2
8
17
15
15
2
1
15
15
12
0
2
9
20
15
15
2
1
15
15
10
0
2
11
15
15
15
2
2
9
9
0
12
25
17
17
2
1
17
17
12
0
2
13
17
17
17
2
2
10
10
0
12
35
20
20
2
1
20
20
15
0
2
15
20
20
20
2
2
12
12
0
15
45
25
25
2
1
25
25
20
0
2
15
25
25
25
2
2
15
15
0
20
55
25
25
2
1
25
25
20
0
2
15
35
35
35
2
2
20
20
0
20
45
45
45
2
2
20
20
55
55
55
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4,6,7
4,6,7
4,6
4,6
WC
CW
t
AW
t
AS
t
AH
t
WP1
t
WP2
t
DS
t
DH
t
LZWE
t
HZWE
t
t
4,6,7
4,6,7
AS8S512K32 & AS8S512K32A
Rev. 6.0 6/05
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
5
MICROSS [ MICROSS COMPONENTS ]
