SRAM
AS5C4008
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS
(-55oC<T <125oC or -40oC to +85oC; Vcc = 5V +10%)
A
-12
-15
-17
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
-20
-25
-35
-45
DESCRIPTION
SYM
UNITS NOTES
MIN
MAX
MIN
MAX
READ CYCLE
tRC
tAA
tACE
tOH
Read Cycle Time
12
15
17
20
25
35
45
ns
ns
ns
ns
Address Access Time
12
12
15
15
17
17
20
20
25
25
35
35
45
45
Chip Enable Access Time
Output Hold From Address Change
2
2
0
2
2
0
2
2
0
2
2
0
2
2
0
2
2
0
2
2
0
tLZCE
tHZCE
tAOE
tLZOE
tHZOE
ns
ns
ns
ns
ns
4, 6, 7
4, 6, 7
Chip Enable to Output in Low-Z
Chip Disable to Output in High-Z
Output Enable Acess Time
Output Enable to Output in Low-Z
Output Disable to Output in High-Z
WRITE CYCLE
6.5
7
7
8
8
8
8
10
12
15
15
20
25
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4, 6, 7
4, 6, 7
6.5
7
8
8
10
15
20
tWC
tCW
WRITE Cycle Time
12
12
12
0
15
15
15
0
17
16
16
0
20
17
17
0
25
20
20
0
35
30
30
0
45
35
35
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Chip Enable 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
0
1
1
1
1
1
tWP
12
6.5
0
15
7
16
9
17
10
0
20
12
0
30
20
0
35
25
0
tDS
Data Setup Time
tDH
Data Hold Time
0
0
tLZWE
tHZWE
Write Disable to Output in Low-Z
Write Enable to Output in High-Z
0
0
0
0
0
0
0
4, 6, 7
4, 6, 7
0
6.5
0
7
0
8
0
8
0
10
0
25
0
30
Micross Components reserves the right to change products or specifications without notice.
AS5C4008
Rev. 6.4 01/10
4